Simulating the onset of damage in DCDC tests using a novel gradient‐extended damage model for tension‐compression asymmetry
Jian Zhang,
Qinghua Zhang,
Stefanie Reese
et al.
Abstract:In the present work, an existing framework for gradient‐extended damage is extended to simulate the damage onset in double cleavage drilled compression (DCDC) tests. The main idea is to consider the different evolution of the damage variable under tensile and compressive loading. More specifically, the star‐convex decomposition is exploited to split the strain energy into an active part and an inactive part, and only the active part drives the evolution of the damage variable in the compressive regime. A param… Show more
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