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International Journal of Applied Research in Mechanical Engineering

Abstract

Analysis of viscoelastic material can be done through ansys multi physics software. For modelling viscoelastic materials, prony series coefficients had been generated from the stress relaxation data (shear modulus vs. time) using prony series curve fitting. Also, Ansys was used to study the fluid interaction on viscoelastic materials. First blood vessel was modelled using geometric modeller and it is exported to ansys and using prony series curve fitting, viscoelastic properties are given to the blood vessel. Blood flow was modelled in CFX. Two way coupling was established between Ansys and CFX. And the boundary conditions such as pressure pulse and mass flow rate was given to the blood flow. Then the model was solved in CFX. And the variation of pressure, von mises stress and total mesh displacement along the length of blood vessel is plotted.

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