Publications

International Journal Papers:

58. J.A.Hopman, D.Santos, A.Alsalti-Baldellou, J.Rigola, and F.X.Trias. "Quantifying the checkerboard problem to reduce numerical dissipation". (submitted).

57. D.Santos, J.A.Hopman, C.D.Pérez-Segarra, and F.X.Trias. "On an energy-preserving unconditionally stable projection method on collocated unstructured grids". (submitted).

56. À.Alsalti-Baldellou, C.Janna, X.Álvarez-Farré, and F.X.Trias. "A multigrid reduction framework for domains with symmetries", (submitted). (https://arxiv.org/pdf/2407.05930)

55. B.Sanderse and F.X.Trias. "Energy-consistent discretization of viscous dissipation with application to natural convection flow", (submitted). (https://arxiv.org/abs/2307.10874)

54. N.Morozova, F.X.Trias, V.Vanovskiy, C.Oliet, and E.Burnaev. "A multi-fidelity approach for CFD-based surrogate modeling of indoor airflow parameters using sensor readings", (submitted).

53. À.Alsalti-Baldellou, X.Álvarez-Farré, G.Colomer, A.Gorobets, C.D.Pérez-Segarra, A.Oliva and F.X.Trias. "Lighter and faster simulations on domains with symmetries", Computers & Fluids, 275:106247, 2024.

52. F.X.Trias, X.Álvarez-Farré, À.Alsalti-Baldellou, A.Gorobets, and A.Oliva. "An efficient eigenvalue bounding method: CFL condition revisited", (submitted).

51. À.Alsalti-Baldellou, X.Álvarez-Farré, F.X.Trias, and A.Oliva. "Exploiting spatial symmetries for solving Poisson's equation", Journal of Computational Physics 486:112133, 2023.

50. A.Duben, J.Ruano, A.Gorobets, J.Rigola, and F.X.Trias. "Evaluation of enhanced grey area mitigation approaches based on jet aerodynamics and aeroacoustics simulations", AIAA Journal, 61(2), 2023.

49. N.Morozova, F.X.Trias, R.Capdevila, E.Schillaci, and A.Oliva. "A CFD-based surrogate model for predicting flow parameters in a ventilated room using sensor readings". Energy and Buildings, 266:112146, 2022.

48. N.Valle, X.Álvarez, A.Gorobets, J.Castro, A.Oliva, and F.X.Trias. "On the implementation of flux limiters in algebraic frameworks" Computer Physics Communications, 271:108230, 2022. (https://arxiv.org/abs/2110.03044)

47. J.Ruano, A.Báez Vidal, J.Rigola and F.X.Trias. "A new general method to compute dispersion errors on stretched meshes for both linear and non-linear operators". Computer Physics Communications, 271:108192, 2022.

46. E.Komen, J.A.Hopman, E.M.A.Frederix, F.X.Trias, and R.W.C.P.Verstappen. "A symmetry-preserving second-order time-accurate PISO-based method". Computers & Fluids, 225:104979, 2021. (https://arxiv.org/abs/2010.03931)

45. A.Pont-Vílchez, A.Duben, A.Gorobets, A.Revell, A.Oliva, and F.X.Trias. "New strategies for mitigating the Grey Area in DDES models". AIAA Journal, 59(9):3331-3345, 2021.

44. X.Álvarez, A.Gorobets, and F.X.Trias. "A hierarchical parallel implementation for heterogeneous computing. Application to algebra-based CFD simulations on hybrid supercomputers". Computers & Fluids, 214:104768, 2021.

43. N.Morozova, F.X.Trias, R.Capdevila, C.D.Pérez-Segarra and A.Oliva. "On the feasibility of affordable high-fidelity CFD simulations for indoor environment design and control". Building and Environment, 184:107144, 2020.

42. F.X.Trias, F.Dabbagh, A.Gorobets, and C.Oliet. "On a proper tensor-diffusivity model for large-eddy simulation of buoyancy-driven turbulence". Flow, Turbulence and Combustion, 105:393–414, 2020.

41. F.Dabbagh, F.X.Trias, A.Gorobets, and A.Oliva. "Flow topology dynamics in a three-dimensional phase space for turbulent Rayleigh-Bénard convection". Physical Review Fluids, 5:024603, 2020.

40. N.Valle, F.X.Trias, and J.Castro. "An energy-preserving level set method for multiphase flows".Journal of Computational Physics, 400(1):108991, 2020. (https://arxiv.org/abs/1909.01114)

39. J.Calafell, F.X.Trias, O.Lehmkuhl, and A.Oliva. "A time-average filtering technique to improve the efficiency of Two-Layer Wall Models for Large Eddy Simulation in complex geometries". Computers & Fluids, 188: 44-59, 2019.

38. A.Pont-Vílchez, F.X.Trias, A.Gorobets, and A.Oliva. "Direct Numerical Simulation of Backward-Facing Step flow at Re_tau=395 and expansion ratio 2". Journal of Fluid Mechanics, 863:341–363, 2019.

37. F.X.Trias, C.Oliet, J.Rigola, and C.D.Pérez-Segarra. "A simple optimization approach for the insulation thickness distribution in household refrigerators". International Journal of Refrigeration, 93:169–175, 2018.

36. F.X.Trias, D.Folch, A.Gorobets, and A.Oliva. "Spectrally-consistent regularization of Navier-Stokes equations". Journal of Scientific Computing,79:992–1014, 2019.

35. M.Zambrano, E.Tondi, L.Mancini, G.Lanzafame, F.X.Trias, F.Arzilli, M.Materazzi, and S.Torrieri. "Fluid flow simulation and permeability computation in deformed porous carbonate grainstones". Advances in Water Resources, 115:95–111, 2018.

34. X.Álvarez, A.Gorobets, F.X.Trias, R.Borrell, and G.Oyarzun. "HPC² - a fully portable algebra-dominant framework for heterogeneous computing. Application to CFD". Computers & Fluids, 173:285–292, 2018.

33. F.X.Trias, A.Gorobets, M.H.Silvis, R.W.C.P.Verstappen, and A.Oliva. "A new subgrid characteristic length for turbulence simulations on anisotropic grids", Physics of Fluids, 29:115109, 2017. (https://arxiv.org/abs/1711.03014)

32. F.Dabbagh, F.X.Trias, A.Gorobets, and A.Oliva. "A priori study of subgrid-scale features in turbulent Rayleigh-Bénard convection", Physics of Fluids, 29:105103, 2017.

31. F. Dabbagh, F.X. Trias, A. Gorobets, and A. Oliva. "On the evolution of flow topology in turbulent Rayleigh-Bénard convection", Physics of Fluids, 28:115105, 2016.

30. A. Báez Vidal, O. Lehmkuhl, F.X. Trias, and C.D. Pérez-Segarra. "On the properties of discrete spatial filters for CFD", Journal of Computational Physics, 326: 474–498, 2016.

29. F.X. Trias, D. Folch, A. Gorobets, and A. Oliva. "Building proper invariants for eddy-viscosity subgrid-scale models", Physics of Fluids, 27: 065103, 2015.

28. H. Zhang, F.X. Trias, A. Gorobets, and A. Oliva. "Direct numerical simulation of a fully developed turbulent square duct flow up to Re_tau=1200", International Journal of Heat and Fluid Flow, 54:258–267, 2015.

27. H. Zhang, H. Yuan, F.X. Trias, A. Yu, Y. Tan, and A. Oliva. "Particulate immersed boundary method for complex fluid-particle interaction problems with heat transfer", Computers & Mathematics with Applications, 71:391–407, 2016.

26. H. Zhang, F.X. Trias, A.Oliva, D. Yang, Y. Tan, S. Shu, and Y. Sheng. "PIBM: particulate immersed boundary method for fluid-particle interaction problems", Powder Technology, 272:1-13, 2015.

25. F.X.Trias, A. Gorobets, and A. Oliva. "Turbulent flow around a square cylinder at Reynolds number 22000: a DNS study", Computers & Fluids, 123:87–98, 2015.

24. H. Zhang, F.X. Trias, A. Gorobets, D. Yang, A.Oliva, Y. Tan, and Y. Sheng. "Effect of collisions on the particle behavior in a turbulent square duct flow", Powder Technology, 269: 320-336, 2015.
 
23. F.X. Trias, O. Lehmkuhl, A. Oliva, C.D. Pérez-Segarra and R.W.C.P. Verstappen. "Symmetry-preserving discretization of Navier-Stokes equations on collocated unstructured grids", Journal of Computational Physics, 258 (1): 246-267, 2014.

22. D. Kizildag, F.X. Trias, I. Rodríguez, A. Oliva. "Large-eddy and direct numerical simulations of a turbulent water-filled differentially heated cavity of aspect ratio 5", International Journal of Heat and Mass Transfer, 77:1084–1094, 2014.

21. A. Gorobets, F.X. Trias and A.Oliva. "A parallel MPI+OpenMP+OpenCL algorithm for hybrid supercomputations of incompressible flows", Computers & Fluids, 88: 764-772, 2013.

20. H. Zhang, Y. Tan, S. Shu, X. Niu, F.X. Trias, D. Yang, H. Li, and Y. Sheng. "Numerical investigation on the role of discrete element method in combined LBM-IBM-DEM modelling", Computers & Fluids, 94: 37-48, 2014.

19. L. Jofre, O. Lehmkuhl, J. Ventosa, F.X. Trias, and A. Oliva. "Conservation properties of unstructured finite-volume mesh schemes for the Navier-Stokes equations", Numerical Heat Transfer, Part B: Fundamentals, 65:1–27, 2014.

18. F.X. Trias, A. Gorobets and A. Oliva. "A simple approach to discretize the viscous term with spatially varying (eddy-)viscosity", Journal of Computational Physics, 253 (1): 405-417, 2013.

17. F.X. Trias, A. Gorobets, C.D. Pérez-Segarra, and A. Oliva. “DNS and regularization modeling of a turbulent differentially heated cavity of aspect ratio 5”. International Journal of Heat and Mass Transfer, 57 (1): 171-182, 2013.

16. G. Colomer, R. Borrell, F.X. Trias, and I. Rodríguez. “On parallel Sn transport sweep algorithms”. Journal of Computational Physics, 232 (1): 118-135, 2013

15. F.X. Trias, A. Gorobets, C.D. Pérez-Segarra, and A. Oliva. “Numerical simulation of turbulence at lower cost: Regularization modeling”. Computers & Fluids, 80: 251-259, 2013.

14. H. Zhang, Y. Tan, D. Yang, F.X. Trias, S. Jiang, Y. Sheng, and A.Oliva. “Numerical investigation of the location of maximum erosive wear damage in elbow: effect of slurry velocity, bend orientation and angle of elbow”. Powder Technology, 217:467–476, 2012.

13. J.E. Jaramillo, F.X. Trias, A. Gorobets, C.D. Pérez-Segarra, and A. Oliva. “DNS and RANS modelling of a Turbulent Plane Impinging Jet”. International Journal of Heat and Mass Transfer, 55:789–801, 2012.

12. F.X. Trias and O. Lehmkuhl. “A self-adaptive strategy for the time-integration of Navier-Stokes equations”. Numerical Heat Transfer, part B, 60(2):116–134, 2011.

11. A. Gorobets, F.X. Trias, R. Borrell, O. Lehmkuhl, and A. Oliva. “Hybrid MPI+OpenMP parallelization of an FFT-based 3D Poisson solver with one periodic direction”. Computers & Fluids, 49:101–109, 2011.

10. R. Borrell, O. Lehmkuhl, F.X. Trias, and A. Oliva. “Parallel Direct Poisson solver for discretizations with one Fourier diagonalizable direction”. Journal of Computational Physics, 230:4723–4741, 2011.

9. F.X. Trias and R.W.C.P. Verstappen. “On the construction of discrete filters for symmetry preserving regularization models”. Computers & Fluids, 40:139–148, 2011.

8. F.X. Trias, R.W.C.P. Verstappen, A. Gorobets, M. Soria, and A. Oliva. “Parameter-free symmetry-preserving regularization modeling of a turbulent differentially heated cavity”. Computers & Fluids, 39:1815–1831, 2010.

7. F.X. Trias, A. Gorobets, M. Soria, and A. Oliva. “Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Ra-number up to 1e11 - Part I: Numerical methods and time-averaged flow”. International Journal of Heat and Mass Transfer, 53:665–673, 2010.

6. F.X. Trias, A. Gorobets, M. Soria, and A. Oliva. “Direct numerical simulation of a differentially heated cavity of aspect ratio 4 with Ra-number up to 1e11 - Part II: Heat transfer and flow dynamics”. International Journal of Heat and Mass Transfer, 53:674–683, 2010.

5. A.Gorobets, F.X. Trias, M.Soria and A.Oliva, “A scalable parallel Poisson solver for three-dimensional problems with one periodic direction”, Computers and Fluids, 39:525–538, 2010.

4. A. Gorobets, S.A. Sukov, and F.X. Trias. “The problems of modern supercomputer applications in hydrodynamic and aeroacoustic numerical simulations”. TsAGI Science Journal, 41:217–225, 2010.

3. F.X. Trias, M.Soria, A. Oliva and C.D. Pérez-Segarra, “Direct numerical simulations of two- and three-dimensional turbulent natural convection flows in a differentially heated cavity of aspect ratio 4”, Journal of Fluid Mechanics, vol. 586, pp. 259-293, 2007.

2. F.X. Trias, M.Soria, C.D. Pérez-Segarra and A. Oliva,  “A Direct Schur-Fourier Decomposition for the Efficient Solution of High-Order Poisson Equations on Loosely Coupled Parallel Computers”, Numerical Linear Algebra with Applications, vol.13, pp. 303-326, 2006.

1. M. Soria, F.X. Trias, C.D. Pérez-Segarra and A. Oliva, “Direct numerical simulation of a three-dimensional natural-convection flow in a differentially heated cavity of aspect ratio 4”, Numerical Heat Transfer, part A, Applications, vol.45, pp. 649-673, 2004.

PhD thesis

Title: ``Direct numerical simulation and regularization modelling of turbulent flows on loosely coupled parallel computers using symmetry-preserving discretizations''
Institution: Heat and Mass Transfer Technological Center at the Technical University of Catalonia
Supervisors: Prof. Manel Soria and Assensi Oliva
Terrassa (Barcelona), December 2006

International Conference Papers:

190. M.Mosqueda-Otero, À.Alsalti-Baldellou, X.Álvarez-Farré, J.Plana-Riu, G.Colomer, F.X.Trias, and A.Oliva. "A portable algebraic implementation for reliable overnight industrial LES". In Parallel Computational Fluid Dynamics, Bonn, Germany, September 2024.

189. J.Plana-Riu, F.X.Trias, G.Colomer, À.Alsalti-Baldellou, X.Álvarez-Farré, and A.Oliva. "Enabling lighter and faster simulations with repeated matrix blocks". In Parallel Computational Fluid Dynamics, Bonn, Germany, September 2024.

188. F.X.Trias, À.Alsalti-Baldellou, and A.Oliva. "Roadmap for extreme-scale simulations: on the evolution of Poisson solvers". In Parallel Computational Fluid Dynamics, Bonn, Germany, September 2024.

187. N.Valle, F.X.Trias, and R.Verstappen. "On the conservative discretization of surface tension". In International Conference on Numerical Methods in Multiphase Flow, Reykjavı́k, Iceland, July 2024.

186. À.Alsalti-Baldellou, G.Colomer, J.A.Hopman, X.Álvarez-Farré, A.Gorobets, F.XTrias, C.D.Pérez-Segarra, and A.Oliva. "On the feasibility of overnight industrial high-fidelity simulations of CSP technologies on modern HPC systems". In 9th European Thermal-Sciences Conference, EUROTHERM 2024, Bled, Slovenia, June 2024. (PDF presentation) (PDF abstract) (PDF paper)

185. J.A.Hopman, F.X.Trias, J.Rigola. "A checkerboard-free symmetry-preserving conservative method for magnetohydrodynamic flows". In 9th European Thermal-Sciences Conference, EUROTHERM 2024, Bled, Slovenia, June 2024. (PDF presentation) (PDF abstract) (PDF paper)

184. J.Plana-Riu, F.X.Trias, À.Alsalti-Baldellou, G.Colomer, and A.Oliva. "Ensemble averaging parallel-in-time approach for industrial LES". In 9th European Thermal-Sciences Conference, EUROTHERM 2024, Bled, Slovenia, June 2024.

183. D.Santos, J.Rigola, J.Castro, and F.X.Trias. A 3D symmetry-preserving simulation of a concentrated photovoltaic thermal (CPVT) solar collector. In 9th European Thermal-Sciences Conference, EUROTHERM 2024, Bled, Slovenia, June 2024. (PDF poster) (PDF abstract) (PDF paper)

182. F.X.Trias, A.Gorobets, and A.Oliva. "On a proper tensorial subgrid heat flux model for LES". In 9th European Thermal-Sciences Conference, EUROTHERM 2024, Bled, Slovenia, June 2024. (PDF presentation) (PDF presentation without movies) (PDF abstract)
  (PDF paper)

181. À.Alsalti-Baldellou, C.Janna, X.Álvarez-Farré, and F.X.Trias. "A multigrid reduction framework for CFD simulations on symmetric domains". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

180. X.Álvarez-Farré, À.Alsalti-Baldellou, M.Rodrigues, and F.X.Trias. "Performance analysis of SpMM in distributed parallel CFD simulations". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

179. D.Folch, F.X.Trias, and A.Oliva. "On the validation of large eddy simulation of a wind- turbine array boundary layer". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

178. J.A.Hopman, À.Alsalti-Baldellou, J.Rigola, and F.X.Trias. "Cost-accuracy analysis for symmetry-preserving methods". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

177. E.Di Lavore, J.Ruano, A.Oliva, and F.X.Trias. "Investigation of length scale definition influence in LES models". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

176. J.Plana-Riu, F.X.Trias, À.Alsalti-Baldellou, G.Colomer, and A.Oliva. "Performance analysis of parallel-in-time techniques in modern supercomputers". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS
Congress 2024), Lisbon, Portugal, June 2024.

175. D.Santos, J.A.Hopman, C.D.Pérez-Segarra, and F.X.Trias. "On the conditions for a stable projection method on collocated unstructured grids". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

174. J.Sun, R.Verstappen, and F.XTrias. "Minimum-dissipation scalar transport model and low-dissipation methods for LES of thermally stratified turbulent flows". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF abstract)

173. F.X.Trias, A.Gorobets, and A.Oliva. "Symmetry-preserving approximate deconvolutions". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF presentation without movies) (PDF abstract)

172. N.Valle, R.Verstappen, and F.X.Trias. "Conditions for the conservative discretization of surface tension in interface-capturing methods". In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024.

171. R.Verstappen and F.X.Trias. "What exactly is the filter length in a finite-volume based LES?" In 9th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2024), Lisbon, Portugal, June 2024. (PDF presentation) (PDF abstract)

170. J.A.Hopman, L.P.J.Beerten, D.Santos, F.X. Trias, and J.Rigola. "On a conservative solution to checkerboarding". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 14, Erlangen, Germany, April 2024. (PDF presentation) (PDF abstract)

169. J.Plana-Riu, F.X.Trias, and A.Oliva. "Beyond classical stability analysis on Runge-Kutta schemes: positivity and phase preservation". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 14, Erlangen, Germany, April 2024. (PDF presentation) (PDF abstract)

168. D.Santos, F.X.Trias, J.A.Hopman, and C.D. Pérez-Segarra. "Mesh constraints for an energy preserving unconditionally stable projection method on collocated unstructured grids". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 14, Erlangen, Germany, April 2024. (PDF presentation) (PDF abstract)

167. F.X.Trias, A.Gorobets, and A.Oliva. "A stable regularization of the gradient model". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 14, Erlangen, Germany, April 2024. (PDF presentation) (PDF presentation without movies) (PDF abstract)

166. À.Alsalti-Baldellou, C.Janna, A.Franceschini, G.Mazzucco, X.Álvarez-Farré, and F.X.Trias. "An AMG reduction framework for domains with symmetries". In SIAM Conference on Parallel Processing for Scientific Computing, Baltimore, Maryland, USA, March 2024. (PDF presentation) (PDF abstract)


165. F.X.Trias. "Can we hit the ultimate regime of thermal turbulence using large-scale LES simulations?" In HPCSIM Frontiers of High-Performance Computing in Modeling and Simulation, Padova, Italy, September 2023. (PDF presentation)

164. À.Alsalti-Baldellou, F.X.Trias, and A.Oliva. "On the evolution of Poisson solvers for extreme scale simulations". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

163. L.Bahramian, F.X.Trias, C.Oliet, and C.D.Pérez-Segarra. "Numerical analysis of parcel tracking in large eddy simulation of polydispersed multiphase flows: assessment of different parcel modeling techniques". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023.  (PDF presentation) (PDF abstract) (PDF paper)

162. D.Folch, F.X.Trias, and A.Oliva. "Assessment of LES models for a fully developed wind-turbine array boundary layer". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

161. J.A.Hopman, À.Alsalti-Baldellou, F.X.Trias, and J.Rigola. "On a checkerboard-free, conservative method for turbulent flows". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF poster) (PDF abstract) (PDF paper)

160. J.Plana-Riu, F.X.Trias, C.D.Pérez-Segarra, and A.Oliva. "Cost-vs-accuracy analysis of self-adaptive time-integration methods". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

159. J.Ruano, A.Duben, A.Gorobets, and F.X.Trias. "Assessment of grey-area mitigation techniques and their effects on jet aerodynamics and aeroacoustics". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF poster) (PDF abstract) (PDF paper)

158. D.Santos, F.X.Trias, J.A.Hopman, and C.D.Pérez-Segarra. "Pressure-velocity coupling on unstructured collocated grids: reconciling stability and energy-conservation". In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

157. F.X.Trias, A. Gorobets, and A. Oliva. "Can we hit the ultimate regime of thermal turbulence using LES simulations at low Prandtl numbers?" In 10th International Symposium on Turbulence Heat and Mass Transfer, Rome, Italy, September 2023. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

156. À.Alsalti-Baldellou, G.Colomer, J.A.Hopman, X.Álvarez-Farré, F.X.Trias, C.D.Pérez-Segarra, and A.Oliva. "Reliable overnight industrial LES: challenges and limitations". Application to CSP technologies. In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

155. L.Bahramian, F.X.Trias, C.Oliet, and C.D.Pérez-Segarra. "Numerical assessment of parcel modeling in large eddy simulation for dispersed multiphase flows". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

154. D.Folch, F.X.Trias, and A.Oliva. "On the large-eddy simulation of a fully developed wind-turbine array boundary layer". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF poster) (PDF poster presentation) (PDF abstract) (PDF paper)

153. J.A.Hopman, À.Alsalti-Baldellou, F.X.Trias, and A.Oliva. "On a conservative solution to checkerboarding: examining the causes of non-physical pressure modes". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

152. J.Plana-Riu, F.X.Trias, C.D.Pérez-Segarra, and A. Oliva. "On self-adaptive Runge-Kutta schemes with improved energy-conservation properties". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

151. D.Santos, F.X.Trias, and R.W.C.P.Verstappen. "On a high-order energy-preserving unconditionally stable discretization on collocated unstructured grids". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

150. B.Sanderse and F.X.Trias. "Energy-consistent discretization of viscous dissipation with application to natural convection flows". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF abstract) (PDF paper)

149. F.X.Trias, J.A. Hopman, D.Santos, A.Gorobets, and A.Oliva. "Robust and reliable DNS and LES on unstructured grids". In 14th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM14), Barcelona, September 2023. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

148. À. Alsalti-Baldellou, C.Janna, X.Álvarez Farré, and F.X.Trias. "Exploiting symmetries for preconditioning Poisson’s equation in CFD simulations". In Platform for Advanced Scientific Computing (PASC23), Davos, Switzerland, June 2023.(PDF presentation) (PDF paper)

147. À.Alsalti-Baldellou, C.Janna, X.Álvarez-Farré, and F.X.Trias. "Low-rank corrections for increasing the arithmetic intensity of the preconditioners". In Parallel Computational Fluids Dynamics, Cuenca, Ecuador, May 2023. (PDF presentation) (PDF abstract)

146. J.Plana-Riu, F.X.Trias, À.Alsalti-Baldellou, and A.Oliva. "Strategies for increasing the arithmetic intensity on ensemble averaged parallel-in-time simulations". In Parallel Computational Fluids Dynamics, Cuenca, Ecuador, May 2023. (PDF presentation) (PDF abstract)

145. F.X.Trias, À.Alsalti-Baldellou, and A.Oliva. "Exa, zetta, yotta and beyond: on the evolution of Poisson solvers". In Parallel Computational Fluids Dynamics, Cuenca, Ecuador, May 2023. (PDF presentation) (PDF presentation without movies) (PDF abstract)

144. F.X.Trias, D.Santos, J.A. Hopman, A.Gorobets, and A.Oliva. "An energy-preserving unconditionally stable method for DNS and LES simulations on unstructured grids". In 22nd Computational Fluid Conference, Cannes, France, April 2023 (PDF presentation)  (PDF presentation without movies)  (PDF abstract)


143. J.A.Hopman, F.X.Trias, and J.Rigola. "A highly portable heterogeneous implementation of symmetry-preserving methods for magnetohydrodynamics". In 3rd Fusion HPC Workshop, Barcelona, December 2022. (PDF presentation) (PDF abstract)

142. J.A.Hopman, F.X.Trias, and J.Rigola. "On a conservative solution to checkerboarding: examining the discrete Laplacian kernel using mesh connectivity". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 13, Udine, Italy, October 2022. (PDF presentation) (PDF abstract) (PDF paper)

141. D.Santos, F.X.Trias, G.Colomer, and A.Oliva. "An energy-preserving unconditionally stable fractional step method for DNS/LES on collocated unstructured grids". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 13, Udine, Italy, October 2022. (PDF presentation) (PDF abstract) (PDF paper)

140. F.X.Trias, X.Álvarez-Farré, D.Santos, A.Gorobets, and A.Oliva. "DNS and LES of buoyancy-driven turbulence at high Rayleigh numbers: numerical methods and SGS models". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 13, Udine, Italy, October 2022. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

139. À.Alsalti-Baldellou, X.Álvarez-Farré, A.Gorobets, and F.X.Trias. "Efficient strategies for solving the variable Poisson equation with large contrasts in the coefficients. In 8th European Congress on Computational Methods in Applied Sciences and Engineering
(ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

138. X.Álvarez-Farré, À.Alsalti-Baldellou, G.Colomer, A.Gorobets, A.Oliva, and F.X.Trias. "Development of a low-level, algebra-based library to provide platform portability on hybrid supercomputers". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

137. L.Bahramian, J.Muela, C.Oliet, C.D.Pérez-Segarra, and F.X.Trias. "An efficient strategy of parcel modeling for polydispersed multiphase turbulent flows". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

136. A.Duben, J.Ruano, F.X.Trias, and A.Gorobets. "Towards proper subgrid-scale model for jet aerodynamics and aeroacoustics". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

135. J.A.Hopman, F.X.Trias, and J.Rigola. "Symmetry-preserving discretisation methods for magnetohydrodynamics". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PPTX presentation) (PDF abstract) (PDF paper)

134. J. Liu, C.D.Pérez-Segarra, J.Rigola, and F.X.Trias. "Effect of hydrogen addition to methane-air jet flame based on Sandia flame D". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

133. N.Morozova, F.X.Trias, V.Vanovskiy, C.Oliet, and E.Burnaev. "A CFD-based multifidelity surrogate model for prediction of flow parameters in a ventilated room". In 8th List of publications European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

132. M. Ollé-Bernades, F.Capuano, F.X.Trias, and L.Jofre. "Energy-Preserving Stable Computations of High-Pressure Supercritical Fluids Turbulence". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF abstract)

131. D.Santos, F.X.Trias, G.Colomer, and A.Oliva. "An energy-preserving unconditionally stable fractional step method on collocated grids". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

130. F.X.Trias, D.Santos, J.A.Hopman, A.Gorobets, and A.Oliva. "On the effect of Prandtl number to subgrid-scale heat flux models". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

129. F.X.Trias, X.Álvarez-Farré, À.Alsalti-Baldellou, A.Gorobets, and A.Oliva. "DNS and LES on unstructured grids: playing with matrices to preserve symmetries using a minimal set of algebraic kernels". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

128. N.Valle, F.X.Trias, and R.W.C.P.Verstappen. "On the conservation of primary and secondary properties in the simulation of multiphase flows". In 8th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS Congress 2022), Oslo, Norway, June 2022. (PDF presentation) (PDF abstract) (PDF paper)

127. À.Alsalti-Baldellou, X.Álvarez-Farré, A.Gorobets, A.Oliva, and F.X.Trias. "Strategies to increase the arithmetic intensity of linear solvers. In Parallel Computational Fluid Dynamics, Alba, Italy, May 2022. (PDF presentation) (PDF abstract)

126. X.Álvarez-Farré, À.Alsalti-Baldellou, A.Gorobets, A.Oliva, and F.X.Trias. "On the benefits and applications of sparse matrix-matrix product on various parallel architectures". In Parallel Computational Fluid Dynamics, Alba, Italy, May 2022. (PDF presentation) (PDF abstract)

125. F.X.Trias, X.Álvarez-Farré, À.Alsalti-Baldellou, A.Gorobets, and A.Oliva. "DNS/LES using a minimal set of algebraic kernels: challenges and opportunities". In Parallel Computational Fluid Dynamics, Alba, Italy, May 2022. (PDF presentation) (PDF presentation without movies) (PDF abstract)


124. X.Álvarez-Farré, À.Alsalti-Baldellou, A.Gorobets, A.Oliva, and F.X.Trias. "Enabling larger and faster simulations from mesh symmetries". In 2nd High-Fidelity Industrial LES/DNS Symposium, Toulouse, France (online), September 2021. (PDF presentation) (PDF abstract)

123. F.X.Trias, X.Álvarez-Farré, A.Gorobets, and A.Oliva. "Preserving operator symmetries on unstructured grids: paving the way for DNS and LES simulations on complex geometries". In 2nd High-Fidelity Industrial LES/DNS Symposium, Toulouse, France (online), September 2021. (PDF presentation) (PDF presentation without movies) (PDF abstract)

122. A.Duben, J.Ruano, J.Rigola, and F.X.Trias. "Advanced techniques for gray area mitigation in DES simulations and their effects on the subsonic round jet acoustic spectra". In 13th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM13), Rhodes, Greece, September 2021. (PDF presentation) (PDF abstract) (PDF paper)

121. F.X.Trias, D.Santos, F.Dabbagh, A.Gorobets, and A.Oliva. "Proper SGS heat flux models and numerical methods for LES". In 13th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM13), Rhodes, Greece, September 2021. (PDF presentation) (PDF presentation without movies) (PDF abstract) (PDF paper)

120. N.Valle, F.X.Trias, and R.W.C.P.Vertappen. "Symmetry-preserving discretizations in unstructured staggered meshes". In 13th International ERCOFTAC symposium on engineering, turbulence, modelling and measurements (ETMM13), Rhodes, Greece, September 2021. (PDF presentation) (PDF abstract) (PDF paper)

119. N.Morozova, F.X.Trias, R.Capdevila, and A.Oliva. "Data-driven prediction of flow parameters in a ventilated cavity using high-fidelity CFD simulations". In Building Simulation 2021 Conference, Bruges, Belgium, September 2021.(PDF presentation) (PDF abstract) (PDF paper)

118.  À.Alsalti-Baldellou, F.X.Trias, X.Álvarez-Farré, and A.Oliva. "A highly portable heterogeneous implementation of a Poisson solver for flows with one periodic direction. In Parallel Computational Fluids Dynamics, Nice, France (online), May 2021.(PDF presentation) (PDF abstract)

117. X.Álvarez-Farré, A.Gorobets, F.X.Trias, and A.Oliva. "NUMA-aware strategies for the efficient execution of CFD simulations on CPU supercomputers". In Parallel Computational Fluids Dynamics, Nice, France (online), May 2021. (PDF presentation) (PDF abstract)

116. F.X.Trias, A.Gorobets, and A.Oliva. "Paving the (right) way for DNS and LES on unstructured grids: (fully) conservative collocated/staggered discretizations". In Parallel Computational Fluids Dynamics, Nice, France (online), May 2021. (PDF presentation with movies) (PDF presentation without movies)  (PDF abstract)


115. À.Alsalti-Baldellou, F.X.Trias, A.Gorobets, and A.Oliva. "On preconditioning variable Poisson equation with extreme contrasts in the coefficients". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

114. X.Álvarez, A.Gorobets, F.X.Trias, and A.Oliva. "NUMA-aware strategies for the heterogeneous execution of spmv on modern supercomputers". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

113. A.Duben, A.Pont-Vílchez, A.Gorobets, and F.X.Trias. "Evaluation of advanced techniques for the grey area mitigation in the DES approaches". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF abstract)

112. D.Folch, F.X.Trias, A.Gorobets, and A.Oliva. "Subgrid-scale model based on the invariants of the gradient model tensor". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

111. E.Komen, J.A.Hopman, E.M.A.Frederix, F.X.Trias, and R.W.C.P.Verstappen. "Energy-preserving discretisation for LES/DNS with unstructured collocated grids in OpenFOAM". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PPTX presentation) (PDF abstract)

110. N.Morozova, F.X.Trias, R.Capdevila, and A.Oliva. "Investigating the capabilities of CFD-based data-driven models for indoor environmental design and control". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

109. J.Ruano, A.Báez-Vidal, J.Rigola, and F.X.Trias. "A general method to compute numerical dispersion error". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

108. D.Santos, J.Muela, N.Valle, and F.X.Trias. "On the interpolation problem for the poisson equation on collocated meshes". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)

107. F.X.Trias, N.Valle, A.Gorobets, and A.Oliva. "Symmetry-preserving discretization of Navier-Stokes on unstructured grids: collocated vs staggered". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation with movies) (PDF presentation without movies) (PDF abstract) (PDF paper) (VIDEO presentation)

106. F.X.Trias, F.Dabbagh, D.Santos, A.Gorobets, and A.Oliva. "On a proper tensorial subgrid heat flux model". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to January 2021 due to COVID19 pandemic). (PDF presentation with movies) (PDF presentation without videos) (PDF abstract) (PDF paper) (VIDEO presentation)

105. N.Valle, F.X.Trias, and J.Castro. "Energy preserving multiphase flows: application to falling films". In 14th World Congress in Computational Mechanics and ECCOMAS Congress (WCCM-ECCOMAS 2020), Paris, France (online), July 2020 (postponed to
January 2021 due to COVID19 pandemic). (PDF presentation) (PDF abstract) (PDF paper)


104. F.X.Trias, F.Dabbagh, D.Santos, A.Gorobets, and A.Oliva. "On a proper tensor-diffusivity model for large-eddy simulations of Rayleigh-Bénard convection". In 17th European Turbulence Conference, Torino, Italy, September 2019. (PDF presentation with movies) (PDF presentation without movies) (PDF abstract)

103. N.Valle, F.X.Trias, and J. Castro. "On the conservation of energy for interface-capturing techniques for multiphase flows. Application to falling films". In 17th European Turbulence Conference, Torino, Italy, September 2019.(PDF presentation) (PDF abstract)

102. N.Morozova, R.Capdevila, F.X.Trias, and A.Oliva. "On the Feasibility of CFD for Transient Air Flow Simulations in Buildings". In Building Simulation - 16th IBPSA International Conference and Exhibition, Rome, Italy, September 2019. (PDF presentation) (PDF abstract) (PDF paper)

101. A.Pont-Vílchez, D.Santos, F.X.Trias, A.Duben, A.Revell, and A.Oliva. "Assessment of LES techniques for mitigating the Grey Area in DDES models". In 8th European Conference for Aeronautics and Space Sciences (EUCASS), Madrid, Spain, July 2019. (PDF presentation) (PDF abstract) (PDF paper)

100. J.Calafell, F.X.Trias, and A.Oliva. "An efficient Two-Layer wall model for accurate numerical simulations of aeronautical applications". In 8th European Conference for Aeronautics and Space Sciences (EUCASS), Madrid, Spain, July 2019. (PDF presentation) (PDF abstract) (PDF paper)

99. F.X.Trias, F.Dabbagh, A.Gorobets, and A.Oliva. "On a proper tensor-diffusivity model for large-eddy simulations of buoyancy driven flows. In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 12, Madrid, Spain, June 2019. (PDF presentation with movies) (PDF presentation without movies) (PDF abstract) (PDF paper)

98. A.Pont-Vílchez, F.X.Trias, A.Duben, A.Revell, and A.Oliva. "Improving DES capabilities for predicting Kelvin-Helmholtz instabilities. Comparison with a backward-facing step DNS". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 12,Madrid, Spain, June 2019. (PDF presentation) (PDF abstract)

97. X.Álvarez-Farré, A.Gorobets, F.X.Trias, and A.Alsalti. "A pure virtual approach for managing platform portability on hybrid supercomputers". In Parallel Computational Fluids Dynamics, Antalya, Turkey, May 2019.  (PDF presentation) (PDF abstract)


96. A.Pont-Vílchez, F.X.Trias, A.Revell, and A.Oliva. "Assessment and comparison of a recent kinematic sensitive subgrid length scale in Hybrid RANS-LES". In 7th Symposium on Hybrid RANS-LES Methods, Berlin, Germany, September 2018. (PDF presentation) (PDF paper)

95. X.Álvarez, N.Valle, A.Gorobets, and F.X.Trias. "Implementation of a flux limiter into a fully-portable, algebra-based framework for heterogeneous computing". In Tenth International Conference on Computational Fluid Dynamics (ICCFD10), Barcelona, Catalonia, July 2018. (PDF presentation) (PDF abstract) (PDF paper)

94. N.Morozova, R.Capdevila, F.X.Trias, and A.Oliva. "Towards Real-Time CFD Simulation of Indoor Environment". In Tenth International Conference on Computational Fluid Dynamics (ICCFD10), Barcelona, Catalonia, July 2018. (PDF presentation) (PDF abstract) (PDF paper)

93. A.Pont-Vílchez, F.X.Trias, and A.Oliva. "DNS of a Backward-Facing Step at high Reynolds number. Towards a better understanding of RANS-LES transition in DES models". In Tenth International Conference on Computational Fluid Dynamics (ICCFD10), Barcelona, Catalonia, July 2018. (PDF presentation) (PDF abstract) (PDF paper)

92. F.X.Trias, F.Dabbagh, A.Gorobets, and A.Oliva. "On a physically-consistent nonlinear subgrid-scale heat flux model for LES of buoyancy driven flows". In Tenth International Conference on Computational Fluid Dynamics (ICCFD10), Barcelona, Catalonia, July 2018. (PDF presentation with movies) (PDF presentation without movies) (PDF abstract) (PDF paper)

91. N.Valle, X.Álvarez, F.X.Trias, J.Castro, and A.Oliva. "Algebraic implementation of a flux limiter for heterogeneous computing". In Tenth International Conference on Computational Fluid Dynamics (ICCFD10), Barcelona, Catalonia, July 2018. (PDF presentation) (PDF abstract) (PDF paper)

90. X.Álvarez, A.Gorobets, and F.X.Trias. "Strategies for the heterogeneous execution of large-scale simulations on hybrid supercomputers". In Proceedings of the Seventh European Computational Fluid Dynamics (ECCOMAS CFD 2018), Glasgow, Scotland, June 2018. (PDF presentation) (PDF abstract) (PDF paper)

89. J.Calafell, F.X.Trias, and A.Oliva. "An efficient two-layer wall model for high Reynolds number large eddy simulation". In Proceedings of the Seventh European Computational Fluid Dynamics (ECCOMAS CFD 2018), Glasgow, Scotland, June 2018. (PDF presentation) (PDF abstract) (PDF paper)

88. F.X.Trias, F.Dabbagh, A.Gorobets, and A.Oliva. "Building a proper tensor-diffusivity model for large-eddy simulation of buoyancy-driven flows". In Proceedings of the Seventh European Computational Fluid Dynamics (ECCOMAS CFD 2018), Glasgow, Scotland, June 2018. (PDF presentation) (PDF abstract) (PDF paper)

87. N.Valle, F.X.Trias, J.Castro, and A.Oliva. "A projected ghost fluid method for a mimetic approach for extreme contrast interfaces in multiphase flows". In Proceedings of the Seventh European Computational Fluid Dynamics (ECCOMAS CFD 2018), Glasgow, Scotland, June 2018. (PDF presentation) (PDF abstract) (PDF paper)

86. F.Dabbagh, F.X.Trias, A.Gorobets, and A.Oliva. "Three-dimensional flow topology evolution in turbulent Rayleigh-Bénard convection". In International Conference on Rayleigh-Bénard Turbulence, Enschede, The Netherlands, May 2018. (PDF presentation) (PDF abstract)



76. F.X.Trias, A.Gorobets, A.P.Duben, and A.Oliva. "Building a new subgrid characteristic length for LES". In Fourth International Workshop Computational Experiment in AeroAcoustics, Svetlogorsk, Russia, September 2016. (PDF presentation)

75. M.H.Silvis, F.X.Trias, M.Abkar, H.J.Bae, A. Lozano-Durán, and R.W.C.P.Verstappen. "Exploring nonlinear subgrid-scale models and new characteristic length scales for large-eddy simulation". In Proceedings of Summer Program 2016. Center for Turbulence Research, Stanford University, 2016.

74. F.Dabbagh, F.X.Trias, A.Gorobets, and A.Oliva. "New subgrid-scale models for large-eddy simulation of Rayleigh-Bénard convection". In 7th European Thermal-Sciences Conference, EUROTHERM 2016, Krakow, Poland, June 2016. (PDF presentation)

73. M. Zambrano, E.Tondi, L.Mancini, F.X.Trias, F.Arzilli, G.Lanzafame, and N.Aibibula. "3D pore-network analysis and permeability estimation of deformation bands hosted in carbonate grainstones". In EGU General Assembly 2016, Viena, Austria, April 2016.

72. F.Dabbagh, F.X.Trias, A.Gorobets, and A.Oliva. "Fine-scale dynamics in turbulent Rayleigh-Bénard convection". In 8th International Symposium on Turbulence Heat and Mass Transfer, Sarajevo, Bosnia and Herzegovina, September 2015. (PDF presentation)

71. D.Kizildag, I.Rodríguez, F.X.Trias, A.Oliva, and C.D.Pérez-Segarra. "Non-Oberbeck-Boussinesq effects in a turbulent tall water-filled differentially heated cavity". In 8th International Symposium on Turbulence Heat and Mass Transfer, Sarajevo, Bosnia and Herzegovina, September 2015. (PDF presentation)

70. A.Gorobets, F.X.Trias, and S.Soukov. "Parallel technologies for numerical simulation of turbulent flows on various computing architectures". In Japan-Russia workshop on supercomputer modeling, instability and turbulence in fluid dynamics (JR SMIT2015), Moscow, Russia, March 2015.

69. F.X.Trias, D.Folch, A.Gorobets, and A.Oliva. "Building proper invariants for subgrid scale eddy-viscosity models". In 15th European Turbulence Conference, Delft, The Netherlands, August 2015. (PDF presentation) (PDF abstract)

68. F.X.Trias, D.Folch, A.Gorobets, and A.Oliva. "Building proper invariants for large eddy simulation". In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 10,  Limassol, Cyprus, May 2015. (PDF presentation) (PDF abstract) (PDF paper)

67. A.V. Gorobets, S.A.Soukov, F.X.Trias, and P.B.Bogdanov. "Finite-volume algorithms for modeling of turbulent flows using hybrid supercomputers". In XV International Conference Super-Computation and Computer Simulation, Sarov, Russia, October 2014.

66. A. Báez-Vidal, J.B. Pedro, O. Lehmkuhl, F.X. Trias, and C.D. Pérez-Segarra. "A filtered kinetic energy preserving methodology for large-eddy simulations of compressible flows on unstructured meshes". In Third International Workshop Computational Experiment in AeroAcoustics, Svetlogorsk, Russia, September 2014. (PDF presentation)

65. F.X. Trias, A. Gorobets, and A. Oliva. "Building proper invariants for eddy-viscosity models", In iTi 2014 - Conference on Turbulence, Bertinoro, Italy, September 2014. (PDF presentation) (PDF poster)

64. F.X. Trias, A. Gorobets, C. D. Pérez-Segarra, and A. Oliva. "New differential operators and discretization methods for large-eddy simulation and regularization modeling". In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014. (PDF presentation)

63. D. Folch, F.X. Trias, A. Gorobets, and A. Oliva. "On the blending of regularization and large-eddy simulation". In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014. (PDF presentation)

62. A.Gorobets, F.X. Trias, R.Borrell, G.Oyarzún, and A. Oliva. "Direct numerical simulation of turbulent flows with parallel algorithms for various computing architectures". In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014. (PDF presentation)

61. D.Kizildag, I. Rodríguez, F.X. Trias, and A. Oliva. "Direct and large eddy simulations of non-Oberbeck-Boussinesq effects in a turbulent tall water-filled differentially heated cavity". In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014. (PDF presentation)

60. H.Zhang, F.X. Trias, A. Gorobets, D. Yang, A. Oliva, and Y. Tan. "Numerical investigation on particle resuspension in turbulent duct flow via DNS-DEM: effect of collision"In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014.

59. F.Dabbagh, F.X. Trias, A. Gorobets, and A. Oliva. "Spectrally-consistent regularization of turbulent Rayleigh-Bénard convection". In Proceedings of the Sixth European Computational Fluid Dynamics (ECCOMAS CFD 2014), Barcelona, Spain, July 2014. (PDF presentation)

58. F.X. Trias, D. Folch, A. Gorobets, and A. Oliva. "New discretizations and regularization models for LES". In Parallel Computational Fluid Dynamics, Trondheim, Norway, May 2014. (PDF presentation)

57. A. Gorobets, F.X. Trias, and A. Oliva. "Fighting against massively parallel accelerators of various architectures for the efficiency of finite-volume parallel CFD codes". In Parallel Computational Fluid Dynamics, Trondheim, Norway, May 2014. (PDF presentation)


49. F.X. Trias. “Spectrally-consistent regularization modeling of turbulence and its connections with LES”. In Connections Between Regularized and Large-Eddy Simulation Methods for Turbulence, Workshop at BIRS, Vancouver, Canada, May 2012. (PDF presentation) (VIDEO presentation)

48. F.X. Trias, H. Zhang, A. Gorobets, and A. Oliva. “DNS and regularization modeling of a turbulent flow through a square duct up to Re _tau = 1200”. In Parallel Computational Fluid Dynamics, Atlanta, USA, May 2012. Elsevier. (PDF presentation)

47. A. Gorobets, F.X. Trias, and A. Oliva. “A parallel OpenCL-based solver for large-scale DNS of incompressible flows on heterogenous systems”. In Parallel Computational Fluid Dynamics, Atlanta, USA, May 2012. (PPT presentation)

46. F.X. Trias, A. Gorobets, R.W.C.P. Verstappen, and A. Oliva. “Spectrally-consistent regularization modeling at very high Rayleigh numbers”. In 7th International Symposium on Turbulence Heat and Mass Transfer, Sicily, Italy, September 2012.  (PDF poster)

45. F.X. Trias, R.W.C.P. Verstappen, A. Gorobets, and A. Oliva. “Spectrally-consistent regularization modeling of turbulent natural convection flows”. In 6th European Thermal-Sciences Conference, EUROTHERM 2012, Poitiers, France, September 2012. (PDF presentation)

44. F.X. Trias, D. Folch, A. Gorobets, and A. Oliva. “Spectrally-consistent regularization modeling of wind farm boundary layers”. In Conference on Modelling Fluid Flow 2012, Budapest, Hungary, September 2012. (PDF presentation)

43. F.X. Trias, D. Folch, A. Gorobets, and A. Oliva. “Towards the regularization modeling of wind farm boundary layers”. In Wind Energy and the impact of turbulence on the conversion process, EUROMECH Colloquium 528, Oldenburg, Germany, February 2012. (PDF poster)

42. Y.Tan, H. Zhang, D. Yang, F.X. Trias, Y. Sheng, and A. Oliva. “Eulerian-Lagrangian modeling of fluidized bed”. In The Second SREE Conference on Engineering Modelling and Simulation, Hong Kong, June 2012.

41. H. Zhang, F.X. Trias, Y. Q. Tan, D.M. Yang, Y. Sheng, and A. Oliva. “Numerical Simulation of Particle-Laden Turbulent Flow using Discrete Element Method”. In 2nd International Conference on Particle-based Methods, Barcelona, Spain, October 2011.

40. F.X. Trias, A. Gorobets, R.W.C.P. Verstappen, and A. Oliva. “Symmetry-preserving regularization of wall-bounded turbulent flows”. In 13th European Turbulence Conference, Warsaw, Poland, September 2011. (PDF presentation)

39. R. Capdevila, F.X. Trias, O. Lehmkuhl, G. Colomer, and C.D. Pérez-Segarra. “Turbulent natural convection in a differentially heated cavity of aspect ratio AR=5 filled with nonparticipating and participating grey media”. In 13th European Turbulence Conference, Warsaw, Poland, September 2011.

38. F.X. Trias, A. Gorobets, M. Soria, and A. Oliva. “Turbulent differentially heated cavity of aspect ratio 5: direct numerical simulation and regularization modeling”. In 7th International Conference on Computational Heat and Mass Transfer, Istanbul, Turkey, July 2011. (PDF presentation)

37. A. Gorobets, F.X. Trias, R. Borrell, M. Soria, and A. Oliva. “Hybrid MPI+OpenMP parallelization of a Navier-Stokes solver for large-scale DNS”. In 7th International Conference on Computational Heat and Mass Transfer, Istanbul, Turkey, July 2011.

36. G. Colomer, R. Borrell, F.X. Trias, and A. Oliva. “Effect of mesh partition on the scalability of the parallel solution of the radiative transfer equation”. In 7th International Conference on Computational Heat and Mass Transfer, Istanbul, Turkey, July 2011. (PDF presentation)

35. R. Capdevila, O. Lehmkuhl, F.X. Trias, G. Colomer, and C. D. Pérez-Segarra. “Numerical simulations of turbulent natural convection coupled and uncoupled with radiation”. In 7th International Conference on Computational Heat and Mass Transfer, Istanbul, Turkey, July 2011.

34. F.X. Trias, A. Gorobets, M. Soria, and A. Oliva. “Numerical simulation of turbulence at lower cost: regularization modeling”. In Parallel Computational Fluid Dynamics, Barcelona, Spain, May 2011. Elsevier. (PDF presentation)

33. A. Gorobets, F.X. Trias, R. Borrell, M. Soria, and A. Oliva. Hybrid “MPI+OpenMP parallelization of an FFT-based 3D Poisson solver that can get over 1e5 CPU cores”. In Parallel Computational Fluid Dynamics, Barcelona, Spain, May 2011. Elsevier. (PDF presentation)

32. H. Zhang, F.X. Trias, Y.Q. Tan, Y. Sheng, and A. Oliva. “Parallelization of a DEM/CFD code for the numerical simulation of particle-laden turbulent flows”. In Parallel Computational Fluid Dynamics, Barcelona, Spain, May 2011. Elsevier. (PDF presentation)

31. R. Borrell, O. Lehmkuhl, F.X. Trias, G. Oyarzún, and A. Oliva. “FFT-based Poisson Solver for large scale numerical simulations of incompressible flows”. In Parallel Computational Fluid Dynamics, Barcelona, Spain, May 2011. Elsevier.

2010

30. F.X. Trias, A. Gorobets, R.W. C. P. Verstappen, and A. Oliva. “Regularization modeling of wall-bounded turbulent flows”. In Proceedings of the Fifth European Computational Fluid Dynamics (ECCOMAS CFD 2010), Lisbon, Portugal, June 2010. (PDF presentation)

29. A. Gorobets, R. Borrell, F.X. Trias, T. K. Kozubskaya, and A. Oliva. “Efficiency of large scale CFD simulations on modern supercomputers using thousands of CPUs and hybrid MPI+OpenMP parallelization”. In Proceedings of the Fifth European Computational Fluid Dynamics (ECCOMAS CFD 2010), Lisbon, Portugal, June 2010.

28. F.X. Trias, A. Gorobets, A. Oliva, and R.W. C. P. Verstappen. “Regularization modeling of buoyancy-driven flows”. In ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 8, Eindhoven, The Netherlands, July 2010. (PDF presentation)

27. F.X. Trias, A.Gorobets, A.Oliva, and R.W.C.P.Verstappen. “Turbulent flow in a differentially heated cavity: direct numerical simulation and regularization modeling”. In Proceedings of 14th International Heat Transfer Conference, IHTC-14, Washington D.C., USA, August 2010. (PDF presentation) (PDF poster)

2009

26. F.X. Trias, M. Soria, A. Gorobets, and R. W. C. P. Verstappen. “Parameter-free modelling of a turbulent differentially heated cavity with Ra-number up to 1011”, In 6th International Symposium on Turbulence Heat and Mass Transfer, Roma, Italy, September 2009. (PDF presentation)

25. F.X. Trias, A. Gorobets, R.W.C.P. Verstappen, M. Soria, and A. Oliva. “Turbulent flow around a wall-mounted cube: direct numerical simulation and regularization modelling”. In Parallel Computational Fluid Dynamics, Moffett Field, California, USA, May 2009. (PDF presentation)

24. F.X. Trias, R. W. C. P. Verstappen, M. Soria, and A. Oliva. "Parameter-free symmetry-preserving regularization modelling of turbulent natural convection flows". In 2th International Conference on Turbulence and Interactions, Martinique, France, June 2009. (PDF presentation)

23. F.X. Trias, M. Soria, A. Oliva, and R. W. C. P. Verstappen. “Modelling and discretizing a turbulent differentially heated cavity at Ra = 1011”. In EUROMECH Colloquia: Large Eddy Simulation for Aerodynamics and Aeroacoustics,Munich, Germany, March 2009. (PDF presentation)

2008

22. A.Gorobets, F.X. Trias and S.A.Soukov, “Direct numerical simulations in fluid dynamics and aeroacoustics using modern computer systems”, 2nd All-Russian Theoretical and Practical Conference "Numerical Experiment in Aeroacoustics",  Svetlogorsk, Russia, September 2008.

21. O.Lehmkuhl, F.X. Trias, R.Borrell and C.D.Pérez-Segarra, “Symmetry-preserving regularization modelling of a turbulent plane impinging jet”,  ERCOFTAC WORKSHOP, Direct and Large-Eddy Simulations 7, Trieste (Italy), September 2008.

20. F.X. Trias, R.Verstappen, M.Soria and A.Oliva, “Symmetry-preserving regularization modelling of a turbulent differentially heated cavity”,  LES in Science and Technology, Poznan (Poland), April 2008.  (PDF presentation)

19. R.Borrell, O.Lehmkuhl, F.X. Trias, M.Soria and A.Oliva, “Multilevel Schur Complement Method for the Direct Solution of Poisson Equation in the context of LES simulations on Unstructured Meshes”, Parallel Computational Fluid Dynamics 2008, Lyon (France), May 2008.

18. A.Gorobets, F.X. Trias, M.Soria, C.D.Pérez-Segarra and A.Oliva, “On the extension of the Krylov-Schur-Fourier Decomposition Poisson solver for fully-3D DNS of turbulent flows on supercomputers”, Parallel Computational Fluid Dynamics 2008, Lyon (France), May 2008. (PDF presentation)

17. O.Lehmkuhl, R.Borrell, F.X. Trias and C.D.Pérez-Segarra, “Assessment of Large-Eddy Simulation models in complex flows using unstructured meshes”, 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), Venice (Italy), July 2008. (PDF presentation)     

16. F.X. Trias, M.Soria, A.Gorobets and A.Oliva, “DNS of an air-filled differentially heated cavity of aspect ratio 4 at Ra-numbers 6.4e8, 2e9, 1e10, 3e10 and 1e11”, 5th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS 2008), Venice (Italy), July 2008. (PDF presentation)

15. F.X. Trias, R.C.W.P.Verstappen, M.Soria, A.Gorobets and A.Oliva, “Regularization modelling of a turbulent differentially heated cavity at Ra=1011”, 5th European Thermal-Sciences Conference, EUROTHERM 2008, Eindhoven (The Netherlands), May 2008. (PDF presentation)

2007

14. C.D.Pérez-Segarra, A.Oliva, F.X. Trias, O.Lehmkuhl and R.Capdevila, “Numerical simulation of the thermal and fluid-dynamic behaviour of fuel-oil in sunken ships”,  Symposium on marine accidental oil spills, VERTIMAR-2007, Vigo (Spain), June 2007. (PDF presentation) (PPT presentation)

13. F.X. Trias, A.Gorobets, M.Soria and A.Oliva, “DNS of Turbulent Natural Convection Flows on the MareNostrum Supercomputer”,  Parallel Computational Fluid Dynamics 2007, Antalya (Turkey), May 2007. (PDF presentation)

2006

12. F.X. Trias, M.Soria, A.Oliva and R.W.C.P.Verstappen, “Regularization models for the simulation of turbulence in a differentially heated cavity”, Proceedings of the European Computational Fluid Dynamics Conference (ECCOMAS CFD 2006),  Egmond aan Zee (The Netherlands), September 2006. (PDF presentation)

11. F.X. Trias, M.Soria, O.Lehmkuhl and A.Oliva, “Direct Numerical Simulations of Turbulent Natural Convection in a Differentially Heated Cavity of Aspect Ratio 4 at Rayleigh numbers 6.4e8, 2e9 and 1e10”, International Symposium on Turbulence Heat and Mass Transfer, Dubrovnik, Croatia, September 2006. (PDF presentation)

2005

10. F.X. Trias, M.Soria, A. Oliva and C.D. Pérez-Segarra, “Direct Numerical Simulation of Turbulent Flows on a low cost PC Cluster”, Parallel Computational Fluid Dynamics 2005, Washington DC  (USA), May 2005. (PDF presentation)


9. J. Cadafalch, R. Cónsul, F.X. Trias and C.D. Pérez-Segarra, “Detailed numerical simulation of the storage element of an Integrated Collector Storage (ICS) system”, The 5th ISES Europe Solar Conference, EuroSun 2004, Freiburg (Germany), June 2004.

8. F.X. Trias, M.Soria, F. García and O. Lehmkuhl, “An Efficient Direct Algorithm for the Solution of the Fourth-Order Poisson Equation on Loosely Coupled Parallel Computers”, Parallel Computational Fluid Dynamics 2004, Gran Canaria (Spain), May 2004. (PDF presentation)

7. M.Soria, F.X. Trias, C.D.Pérez-Segarra and A. Oliva, “Direct Numerical Simulation of Turbulent Natural Convection Flows on PC Clusters Using a Fourth-Order Symmetry-Preserving Method”, Parallel Computational Fluid Dynamics 2004, Gran Canaria (Spain), May 2004. (PDF presentation)

6. F.X. Trias, M.Soria, C.D.Pérez-Segarra and A. Oliva, “DNS of 3D Turbulent Natural Convection Flows Using Low Cost Parallel Computers”, AIAA Aerospace Sciences Meeting and Exhibit 2004, Reno, Nevada (USA), January 2004. (PDF presentation)

2003

5. M. Soria, F.X. Trias, C.D. Pérez-Segarra and A. Oliva, “A Direct Schur-Fourier Decomposition Algorithm for DNS and LES in Low Cost Parallel Computers”, International Symposium on Turbulence Heat and Mass Transfer, Antalya (Turkey), October 2003.

4. F.X. Trias, M.Soria, C.D.Pérez-Segarra and A. Oliva, “DNS of Natural Convection in a Differentially Heated Cavity. Effect of the Three-dimensional Fluctuations”,  International Symposium on Turbulence Heat and Mass Transfer, Antalya (Turkey), October 2003. (PDF presentation)

3. M.Soria, F.X. Trias, C.D.Pérez-Segarra and A. Oliva, “Direct Numerical Simulation of Turbulent Natural Convection Flows Using PC Clusters”, Parallel Computational Fluid Dynamics 2003, Moscow (Russia), May 2003. (PDF presentation)

National Conference Papers:

2. M.Soria, F.X. Trias, C.D.Pérez-Segarra and A. Oliva, “Simulación directa de flujos turbulentos con convección natural en base al uso de ordenadores paralelos de bajo coste”,  III Jornadas Nacionales de Ingeniería Termodinámica, Valencia (Spain), June 2003.

1. F.X. Trias, M.Soria, J.Jaramillo, A.Oliva and  C.D.Pérez-Segarra, “Uso de ordenadores paralelos de bajo coste para simulaciones avanzadas en dinámica de fluidos y transferencia de calor”,  XV Congreso Nacional de Ingeniería Mecánica, Cádiz (Spain), December 2002. (PDF presentation)