In naval engineering and offshore industry,the fluid-structure interaction(FSI)problem is a very common problem,and water entry is a very representative one.The hydroelasticity effects due to slamming are of great int...In naval engineering and offshore industry,the fluid-structure interaction(FSI)problem is a very common problem,and water entry is a very representative one.The hydroelasticity effects due to slamming are of great interest.In this paper,the water entry problem is simulated by the moving particle semi-implicit&finite element method(MPS-FEM)coupled method.The MPS method is used for the fluid because it is very suitable for the violent free-surface flow.The structure domain is solved by the FEM method because of the maturity in solving structural motion and deformation.The water entry of a rigid cylinder is numerically studied first and the results show good agreements with previous published data.After that,variable analysis is conducted in the water entry simulation of an elastic cylinder,including the structural elasticity and impact velocity.展开更多
基金the National Key Research and Development Program of China(Grant No.2019YFB1704200)the National Natural Science Foundation of China(Grant Nos.51879159 and 52131102).
文摘In naval engineering and offshore industry,the fluid-structure interaction(FSI)problem is a very common problem,and water entry is a very representative one.The hydroelasticity effects due to slamming are of great interest.In this paper,the water entry problem is simulated by the moving particle semi-implicit&finite element method(MPS-FEM)coupled method.The MPS method is used for the fluid because it is very suitable for the violent free-surface flow.The structure domain is solved by the FEM method because of the maturity in solving structural motion and deformation.The water entry of a rigid cylinder is numerically studied first and the results show good agreements with previous published data.After that,variable analysis is conducted in the water entry simulation of an elastic cylinder,including the structural elasticity and impact velocity.
