TY  - EJOU
AU  - Li, Shu 
AU  - Atluri, S. N. 

TI  - Topology-optimization of Structures Based on the MLPG Mixed Collocation Method
T2  - Computer Modeling in Engineering \& Sciences

PY  - 2008
VL  - 26
IS  - 1
SN  - 1526-1506

AB  - The Meshless Local Petrov-Galerkin (MLPG) "mixed collocation'' method is applied to the problem of topology-optimization of elastic structures. In this paper, the topic of compliance minimization of elastic structures is pursued, and nodal design variables which represent nodal volume fractions at discretized nodes are adopted. A so-called nodal sensitivity filter is employed, to prevent the phenomenon of checkerboarding in numerical solutions to the topology-optimization problems. The example results presented in the paper demonstrate the suitability and versatility of the MLPG "mixed collocation'' method, in implementing structural topology-optimization.
KW  - topology optimization
KW  -  meshless method
KW  -  MLPG
KW  -  collocation
KW  -  mixed method

DO  - 10.3970/cmes.2008.026.061