On using a zero lower bound on the physical density in material distribution topology optimization - Nguyen, Quoc Khanh; Serra-Capizzano, Stefano; Wadbro, Eddie (Computer methods in applied mechanics and engineering, 2020)
Keywords: Conditioning; Current distribution; Density; Dirichlet problem; Ill-conditioned problems (mathematics); Large-scale problems; Lower bounds; Matematik; Mathematical analysis; Mathematics; Matrix methods; Modulus of elasticity; Optimization; Preconditioning; Spectrum analysis; Stiffness matrix; Tensors; Topology optimization; Topology optimization; Conditioning; Preconditioning; Large-scale problems