3 papers
math.NA2026
A variational physics-informed graph neural network for heterogeneous solid mechanics
Aashay Rajan Yadav, Amiya Prakash Das, Ratna Kumar Annabattula
Stress localization in heterogeneous solids is governed by the bimaterial interface, where the displacement field remains -continuous, while in-plane stresses jump due to the…
physics.app-ph2026
Hydrodynamic Behavior of Non-spherical Particles in Confined Vertical Flows: A Resolved CFD-DEM Study
Amiya Prakash Das, Shakti Swaroop Choudhury, Sujith Reddy Jaggannagari +4
We investigate the sedimentation and vertical hydraulic transport of non-spherical polymetallic nodules (PMNs) using resolved computational fluid dynamics-discrete element method (…
physics.app-ph2025
A DEM-driven machine learning framework for abrasive wear prediction
Prassana Chandan, Amiya Prakash Das, Shakti Swaroop Choudhury +1
Particle-induced wear is a critical concern in bulk material handling systems, where abrasive interactions accelerate equipment degradation, increase maintenance needs, and raise o…