Sloshing of liquid upon the application of an external force is a natural phenomenon as the free surface is allowed to move without any constraints. When the liquid is contained within the walls of a container, such as a fuel tank of a car, oil tanker ship, or even a rocket propellant, this free surface effect can prove to have adverse effects on the carrier. Study of slosh is an ongoing research for many decades and many novel inventions in Propellant Management Devices such as the rigid baffles and elastomeric membranes have been implemented to counteract the free surface effect in both passive and active manner. The main focus of this research is to develop and test the hybrid active membrane in reducing the free surface effect in slosh. This paper discusses the selection of materials for developing the hybrid active membrane. In order to validate the concept, design and modal analysis of the membrane matrix is performed computationally using Finite Element analysis and Fluid Structure Interaction is carried out using Computational Fluid Dynamics.
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