This tutorial demonstrates how to simulate an air blast on a composite panel made of glass-epoxy, ceramic, and thermoplastic polyurethane (TPU) in Abaqus. The glass-epoxy layer is modeled as a 16-layer 3D shell using Hashin’s damage criterion, while the ceramic and TPU layers are modeled as 3D solids. TPU behavior is defined using elastic–isotropic plasticity with a ductile damage model, and ceramic behavior is modeled with shear modulus, Drucker–Prager hardening, an equation of state, and ductile damage. A dynamic explicit step is used, and the CONWEP air blast method defines TNT mass and location. Ideal contact is applied between layers, boundary conditions are set on the panel edges, and a fine mesh ensures accuracy. The simulation outputs include stress, strain, damage, failure, and fiber damage, making it relevant for engineers and researchers working on blast-resistant composite structures.
Acoustics
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