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Similarity criteria for laser‑induced thermo‑mechanical responses of metal plates under high‑speed airflow with fluid-thermal-structural coupling
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DOI：10.1016/j.optlastec.2026.116121.png)
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Abstract
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• Similarity criteria for laser-induced thermo-mechanical responses are derived. • Fourteen dimensionless parameters of the multifield coupling problem are obtained. • Two approximate scaling strategies are established for the incompatible criteria. • Error map for characteristic thickness under different scaling strategies is developed. • Numerical results show that errors between real and scaled model are less than 4 %.
Keywords:
Similarity criteria
Scaling strategy
Thermo-mechanical responses
Fluid-thermal-structural coupling
Laser irradiation
High-speed airflow
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