Soheil Rooein

Experimental Analysis and Micromechanical Modeling of Gas Diffusion Layers (GDL) for PEM Fuel Cell Application: Multi-physics study of various GDL microstructures via experimental and computational methods. Virtually generating GDL samples (carbon fiber composite) and evaluating different effective properties such as stiffness, diffusivity, conductivity, fluid flow. Optimization of structural parameters like thickness, porosity, binder content and fibers configuration

Finite Element Analysis of Stamping and Nanoindentation Processes on Polycrystalline Metals: Modelling of representative material and designing the experimental setup for nanoindentation and stamping tests. Study of deformation mechanism of polycrystalline materials using crystal plasticity approach implemented in DAMASK* package.

Formulation and Implementation of Flow Rules for Anisotropic Plasticity: Implementation of a unique constitutive equations of anisotropic elastoplastic material by programming a new User Material Subroutine (UMAT) for Abaqus. Optimizing input parameters by fitting implicit curve function to the data set. Implementing both Ludwik and piecewise linear hardening laws. Simulation of biaxial tensile/compressive test to obtain yield surface plot;

Virtual Microstructure (RVE) Generation of Dual Phase Steel by Voronoi Tessellation Method