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Thermo-mechanical fatigue damage constrained topology optimization
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DOI：10.1016/j.cma.2025.118326.png)
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Abstract
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• Consider thermo-mechanical fatigue damage constraints in topology optimization. • Evaluate thermal effects on fatigue via temperature-dependent Basquin equation. • Verify the method’s feasibility and effectiveness via four numerical examples. • Achieve lightweight designs to raise fatigue life under coupled thermo-elastic loads. • Confirm fatigue life improvements by the experimental results of optimized beams.
Keywords:
Fatigue damage
Thermo-mechanical loads
Topology optimization
Morrow criterion
Experimental validation
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