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Spectral Stiffness Microplane Model for Unidirectional Composite
Abstract
The use of unidirectional (UD) composites for primary and secondary structures is becoming broader and broader with applications including aeronautics and astronautics, automotive and bioengineering. However, the efficient use of these materials requires the development of proper computational tools for design. Leveraging the spectral stiffness decompostition of the stiffness tensor and a microplane formulation, the present contribution proposes a computational model to capture the main damage and fracturing mechanisms in UD composites. Preliminary simulations of uniaxial tests are compared to experimental data taken from the “World Wide Failure Exercise†to investigate the predictive capability of the model.
DOI
10.12783/asc33/25955
10.12783/asc33/25955
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