Numerical modeling reveals a differentiable framework for studying self-contact and fracture in structures, suggesting improved engineering applications.
Key Points
The research aims to develop a unified model for analyzing structural self-contact and fracture, addressing limitations in traditional methods.
Introduced a differentiable variational formulation to unify contact and fracture modeling.
Utilized a hyperelastic third medium contact model for describing contact phenomenon.
Implemented a phase field approach for representing fracture.
Developed a numerically stable framework to analyze nonlinear structural behaviors efficiently.
Demonstrated the model's capability to capture complex nonlinear phenomena in structural analysis.
Enabled efficient simulation of crack propagation in energetically favorable regions.
Facilitated potential integration into topology optimization for enhanced design features.