Abstract
A three-dimensional parallel fluid-structure interaction simulation system which appropriate for SRM is presented. A loosely coupled approach is employed for transfer the fluid pressures and the solid surface displacements between the computational fluid dynamic (CFD) software Fluent and the computational structure dynamic (CSD) software Abaqus by MpCCI software. For simulating the propellant burning process in solid rocket motor (SRM), A User Defined Function (UDF) is written and placed in Fluent. The SRM working process is simulated by this fluid-structure interaction system. Because the CFD solutions take much longer time than the CSD solutions, the CFD computation domain is subdivided into sub-domains for parallel computations to speedup the fluid structure interaction solutions. The good parallel efficiency of the coupling system is demonstrated that this system could be used in high performance computation. The results show that this simulation system could be well performed in the SRM fluid-structure interaction problems and important to the preliminary design of SRM.
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