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Metal Casting Solidification Residual Stress
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1 Geometry
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1 Geometry 1 Mesh 1 Simulation setup 0 ResultsAbout this project
Model residual stress in an aluminum casting during cooling. Geometry: • Casting: 0.3 m × 0.2 m × 0.1 m. • Sand mold (insulated boundary). Material: Aluminum (E = 70 GPa, ν = 0.33, α = 24e-6/°C). Boundary Conditions: • Initial temperature: 700°C (casting), 25°C (mold). • Natural convection (h = 10 W/m²•K). Analysis Steps (Simulia/Abaqus): 1. Transient thermal analysis (cooling over 1 hour). 2. Sequentially coupled stress analysis. 3. Account for phase change (latent heat). Deliverables: • Residual von Mises stress after cooling. • Temperature gradient history. Validation: Compare with empirical data for similar castings.
