A Meshless Cohesive Segments Method for Crack Initiation and Propagation in Composites
Source abstract
Abstract
A modeling method aimed at eliminating the need of explicit crack representation in bi-dimensional structures is presented for the simulation of the initiation and subsequent propagation within composite materials. This is achieved by combining a meshless method with a physical stress–displacement based criterion known as Cohesive Model. This model consents to apply a penalty-based approach to delamination modeling where a variable penalty factor along the crack segment allows to loosen or tight the two parts according to their relative displacements. Results are showed for classical single mode loading benchmark cases and compared to experimental results taken from the literature.
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Research context
OpenAlex topics: Numerical methods in engineering · Mechanical Behavior of Composites · Fatigue and fracture mechanics
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References (25)
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