![]() The solid will need one mesh operation, and the fluid will need a separate one. To be able to model this system we need a geometry of the solid and one for the fluid domain. When reading this blog post you can have in mind a flexible solid that bounces on a wall, while fluid is flowing around the solid. Since t he velocity field of the fluid will be dependent on the solid’s location and motion, a two-way coupled interaction is describing the physics of the coupled system. T hen the resistance of the fluid will deform the solid. For example, the solid can be flexible and moving in a fluid. Th is blog post is inspired by the tutorial Diaphragm valve, found in the documentation for the latest release of Simcenter STAR-CCM+, 2021.2 (you find the tutorial under Solid stress ).įSI is when you have a two-way coupled interaction s between a solid domain and a fluid domain. This week we will take a closer look at the settings for using fluid-structure interaction (FSI) in Simcenter STAR-CCM+.
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