Marc-Paul Errera and Bénédicte Baqué A quasi-dynamic procedure for coupled thermal simulations International Journal for Numerical Methods in Fluids 72
Our goal is to study the transient heat load within solid structures of complex geometries via a fluid-structure coupling. This coupling is challenging because of the great disparities in time scales of the physical models. In the quasi-dynamic procedure proposed in the paper, a solid transient state is coupled with a sequence of fluid steady states. A numerical application simulating the severe thermal conditions of a solid propellant rocket has shown that the CPU time is greatly reduced, while maintaining a very good accuracy.
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