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El presente trabajo esta relacionado con los modelos de materiales usados por los programas de Elementos Finitos para predecir el comportamiento de las tensiones y deformaciones de los materiales hiperelásticos. Se mencionan los ensayos mecánicos que se necesitan para describir el comportamiento de estos Modelos. Se muestra el comportamiento de las curvas de tensión-deformación durante la aplicación de cargas repetidas. Finalmente se explica como determinar los valores de las constantes del modelo hiperelástico.This researching deals with the material models used by Finite Elements software to predict the behavior of the stress and strain of hyperelastic materials. The mechanical test needed to describe the behavior of these materials is mentioned. Here shown are the stress-strain curves´ behaviors during the application of repetitive loads. Finally, this is explaining how to determine the values of hyperelastic model constants.

In this work a problem of treatment of the internal tibial torsion and the necessity of an orthopedic device were studied. The needed knowledge for design the torque heel was mentioned. The study of non lineal phenomena in mechanical design of elastomers was carried out. The load model of the torque heels was defined taken into account the action of dynamic loads. The Stress and Strain of the torque heel were obtained using the Finite Elements Method. Finally, the results were analyzed and the definitive design of the torque heel was obtained. [ABSTRACT FROM AUTHOR]