A regularized orthotropic continuum damage model for layered composites: intralaminar damage progression and delamination

作者：Simon Jaan Willem^*; Hoewer Daniel; Stier Bertram; Reese Stefanie; Fish Jacob

来源：Computational Mechanics, 2017, 60(3): 445-463.

DOI：10.1007/s00466-017-1416-1

• Orthotropic damage model
• Thermodynamically consistent
• Damage interaction
• Layered composites
• Delamination
• Regularization

Predicting progressive damage in composite materials is essential for the design of most lightweight constructions. When laminated composite structures are considered, both intralaminar and interlaminar (delamination) damage evolution need to be addressed. Typically, these different damage modes are treated separately. On the contrary, in this paper, a continuum damage model is presented which is capable of modeling orthotropic damage progression within layers as well as delamination. The model is formulated in a thermodynamically consistent manner. Moreover, the results are mesh independent due to a fracture energy based regularization scheme.

• 出版日期2017-9