Abstract
In this paper the fiber-governed constitutive equations of bimodular composite materials are discussed. Necessary and sufficient conditions are found for the existence of a strain energy density, and for its positive definiteness. In the case of the Bert’s type constitutive equation, the positive-definite strain energy density requirement tends to reduce the range of applicability of this model when used to describe the real composite materials behavior.
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Bisegna, P., Maceri, F., Sacco, E. (1995). On the Fiber-Governed Bimodular Constitutive Models. In: Sih, G.C., Carpinteri, A., Surace, G. (eds) Advanced Technology for Design and Fabrication of Composite Materials and Structures. Engineering Applications of Fracture Mechanics, vol 14. Springer, Dordrecht. https://doi.org/10.1007/978-94-015-8563-7_9
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DOI: https://doi.org/10.1007/978-94-015-8563-7_9
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