Fluid mechanics, Multiphase flows, Heat and mass transfer, Rheology, Numerical simulation, Multi-scale modelling, High performance computing
Assistant Professor
Office:
CHBE 437
Education
Institut National Polytechnique de Toulouse, 2010, HDR
Grenoble, 2000, PhD
Grenoble, 1997, M. Fluid Mech.
Louis Pasteur University, Strasbourg, 1996, B.Eng.
Research Interests

Scientific fields of expertise

• Fluid Mechanics, Solid Mechanics and Rheology.
• Complex flows : non-Newtonian, reactive, turbulent.
• Multiphase Flows : liquid/solid, liquid/liquid, liquid/ gaz.
• Thermodynamics and Heat Transfer.
• Applied Mathematics.
• Numerical Analysis and Simulation (FEM, FVM, DEM).
• Scientific Programming: Fortran, C/C++, MPI.
• High Performance Parallel Computing.

Publications

Selected publications
(1) Z. Yu, X. Shao and A. Wachs, A fictitious domain method for particulate flows with heat transfer,
Journal of Computational Physics, 217(2), 424-452, 2006.
(2) A. Wachs, PeliGRIFF, a parallel DEM-DLM/FD direct numerical simulation tool for 3D particu­
late flows,Journal of Engineering Mathe atics, 71(1), 1-25,2010.
(3) A. Wachs, Rising of 3D catalyst particles in a natural convection dominated flow by a parallel
DNS method, Computers & Chemical Engineering, 35(11), 2169-2185, 2011.
(4) A. Wachs, L. Girolami, G. Vinay, and G. Ferrer, Grains3D, a flexible DEM approach for par­
ticles ofarbitrary convex shape- Part I: numerical model and validations, Powder Technology,

224, 374-389, 2012.
(5) M. Rahmani and A. Wachs, Free falling and rising of spherical and angular particles, Physics of Fluids, 26, 083301, 2014

CHBE 554 Momentum, Heat and Mass Transfer