期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 59, 期 5, 页码 1863-1879出版社
SPRINGER
DOI: 10.1007/s00158-018-2138-5
关键词
MATLAB code; ANSYS; Topology optimization; Geometrical nonlinearity
资金
- National Natural Science Foundation of China [51820105007, U1501247, 51605166]
This paper presents a 213-line MATLAB code for topology optimization of geometrically nonlinear structures. It is developed based on the density method. The code adopts the ANSYS parametric design language (APDL) that provides convenient access to advanced finite element analysis (FEA). An additive hyperelasticity technique is employed to circumvent numerical difficulties in solving the material density-based topology optimization of elastic structures undergoing large displacements. The sensitivity information is obtained by extracting the increment of the element strain energy. The validity of the code is demonstrated by the minimum compliance problem and the compliant inverter problem.
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