Large Deformation Analysis of Cardiac Structures

by M. S. Hamid, Engineering Mechanics Research Corp, Troy, United States,



Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract: The finite element technique can be used to simulate the response of the cardiac structures that have complex shape and geometry and nonlinear material properties. This paper enumerates the type of formulations used and associated difficulties encountered in the solution of these problems. The left ventricular wall stresses are determined using hyperelastic material model and the stresses in the bioprosthetic heart valve leaflet are determined using thin shell elements. The general purpose finite element code NISA II is used to solve these complex problems.

Subject Headings: Finite element method | Material properties | Geometrics | Construction materials | Structural behavior | Walls | Valves | Standards and codes

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