A general and efficient 3-D (three-dimensional) FE model (finite element) capable of analyzing and predicting the nonlinear response of statically loaded tires in contact with a rigid surface is presented. Both geometrical and material non-linearities are accounted for. Lagrangian description with the composite material theories is adopted to model the nonlinear behavior of the tire structure. The mathematical programming (MP) technique is adopted to present a general model to analyze both frictionless and frictional tires contacts. With frictional contact, Coulomb's law of friction is modified to be applied non-locally. This, logically eliminates the difficulties which have been encountered with the direct application of the classical Coulomb's law. A typical radial tire is taken as a case study to which the model is applied. The defined tire shape, the contact patch and both normal and tangential contact stresses are predicted.
Nonlinear three-dimensional finite element analysis of contact problems of statically loaded tires
Nichtlineare dreidimensionale Finite-Element-Analyse von Kontaktproblemen bei statisch belasteten Reifen
1996
16 Seiten, 13 Bilder, 46 Quellen
Conference paper
English
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