3 papers
cs.CE2022
Virtual Displacement based Discontinuity Layout Optimization
Yiming Zhang, Xueya Wang, Xinquan Wang +1
Discontinuity layout optimization (DLO) is a relatively new upper bound limit analysis method. Compared to classic topology optimization methods, aimed at obtaining the optimum des…
cs.CE2020
Direct dissipation-based arc-length approach for the cracking elements method
Yiming Zhang, Junguang Huang, Yong Yuan +1
Dissipated energy, representing a monotonically increasing state variable in nonlinear fracture mechanics, can be used as a restraint for tracing the dissipation instead of the ela…
cs.CE2019
Global cracking elements: a novel tool for Galerkin-based approaches simulating quasi-brittle fracture
Yiming Zhang, Herbert A. Mang
Following the so-called Cracking Elements Method (CEM), recently presented in \cite{Yiming:14,Yiming:16}, we propose a novel Galerkin-based numerical approach for simulating quasi-…