3 papers
physics.comp-ph2025
Data-Driven Surrogate Modeling of DSMC Solutions Using Deep Neural Networks
Ehsan Roohi, Ahmad Shoja-sani
This study presents a deep neural network (DNN) framework that accelerates Direct Simulation Monte Carlo (DSMC) computations for rarefied-gas flows, while maintaining high physical…
physics.flu-dyn2025
Passive Cavitation Mitigation on Hydrofoils via Porous Media: A Comparative Study of LES and RANS Models
Ali Alavi, Maziyar Ghasemnezhad, Ali Sangtarash +1
This study numerically investigates the use of porous media as a passive strategy for mitigating cavitation on a NACA 66 (MOD) hydrofoil subjected to unsteady two-phase flow.
physics.bio-ph2025
A Computational Approach for Modeling Platelet Adhesion Dynamics on Thrombogenic Surfaces
Ali Lotfian, Ehsan Roohi
Platelet adhesion and aggregation are essential for primary hemostasis, forming a clot that quickly stops initial bleeding. Despite this critical role, the dynamic interactions of…