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Research & Development in Material Science

About Application of the Overset Grid Method for Fluid Structure Interaction Problems in 3D Codes Based on Modification of Godunov Scheme Uniform for Both CFD and CSD

  • Open or CloseAbuziarovM* and Kochetkov A

    Research Institute for mechanics of Nizhny Novgorod State University,Russia

    *Corresponding author:Abuziarov M, Research Institute for mechanics of Nizhny Novgorod State University, Russia

Submission: October 27, 2020;Published: December 14, 2020

DOI: 10.31031/RDMS.2020.14.000843

ISSN : 2576-8840
Volume14 Issue4


The spatial problems of interaction of elastoplastic structures with the detonation products in Eulerian variables using overset grids are considered. For numerical simulation, the modification of the S.K. Godunov scheme of increased accuracy is used, the same for both gas-dynamic and elastoplastic flow. On the moving contact boundary of the gas with the deformed body, the exact solution of the Riemann’s problem is used. A defining system of three-dimensional equations of gas dynamics and a compressible elastoplastic body is presented. An algorithm for numerical solution is described. The results of three-dimensional calculations of acceleration of elastoplastic bodies of different shape by product of detonation are presented. The essential influence of the position and the deformable shape of the body on the process of loading and deformation are demonstrated.

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