A parametric study on fluid-structure interaction problems

This paper deals with finite element analysis of the fluid-structure systems considering the coupled effect of elastic structure and fluid. The equations of motion of the fluid considered inviscid and compressible are expressed in terms of the pressure variable alone. The elastic structure and the fluid domain are treated as two separate systems and discretized with finite elements. The solution of the coupled system is accomplished by solving the two systems separately with the interaction effects at the fluid-solid interface enforced by a developed iterative scheme. Non-divergent pressure and displacement are obtained simultaneously through a few numbers of iterations. Studies show the accuracy of the proposed algorithm, while comparing with the existing ones available in the literature. The parametric study of the coupled system shows the importance of fluid height and material property of the structure.