Abstract
This study represents an application of the computational methods to the design and structural verification of a cardiac trileaflet polymeric valve. Numerical methods are commonly used for mechanic, fluid dynamic and thermal preliminary testing of engineering devices. In this paper commercial codes have been used to design and analyse a device which operates in contact with a biologic environment. Several simplifications are necessary to fulfill this aim due to the actual characteristics of the material, loads and boundary conditions. Six 3-D valve models have been developed and their mechanic behavior compared. The results allow an evaluation of the method that has been adopted and of the simplifications imposed. The method can be used to solve biomedical engineering problems though it requires an accurate description of the geometric and operating characteristics of both the device and its environment together with a critical evaluation of the results.
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