Numerical investigation of the role of human motion in the spread of virus-laden droplets from coughing using CFD dynamic mesh technique May 1, 2025 S Sadeghi S Aminossadati C Leonardi Coupled Eulerian-Lagrangian Approach Discrete Phase Model (Dpm) Dynamic Mesh Technique Moving Speed Effect Multi-Phase Flow (Liquid-Solid-Gas Interactions) Transient Cfd Analysis Publications