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Transient dynamics of prolate particle-wall collisions in gas-solid flows: A hybrid analytical-numerical framework
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DOI：10.1016/j.ijmultiphaseflow.2026.105746.png)
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Abstract
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• Hybrid analytical-numerical model resolves transient collision dynamics. • Shape-orientation factor accounts for anisotropic deformation. • Analytical closure retains FEM fidelity with high efficiency. • Shape-induced rotation drives the anomalous tangential restitution. • Geometric anisotropy determines the normal restitution coefficient.
Keywords:
Transient dynamics
Particle-wall collisions
Hybrid analytical-numerical model
Geometric anisotropy
Tangential restitution
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