期刊
STRUCTURAL AND MULTIDISCIPLINARY OPTIMIZATION
卷 42, 期 6, 页码 855-868出版社
SPRINGER
DOI: 10.1007/s00158-010-0514-x
关键词
Topology optimization; Functionally graded materials; Functionally graded structures; Material layout; Material gradation; Symmetry and pattern repetition constraints
资金
- Brazilian agency CAPES [3516/06-7]
- FAPESP [2008/51070-0]
- Brazilian agencies FAPESP [06/57805-7]
- CNPq [303689/2009-9]
By means of continuous topology optimization, this paper discusses the influence of material gradation and layout in the overall stiffness behavior of functionally graded structures. The formulation is associated to symmetry and pattern repetition constraints, including material gradation effects at both global and local levels. For instance, constraints associated with pattern repetition are applied by considering material gradation either on the global structure or locally over the specific pattern. By means of pattern repetition, we recover previous results in the literature which were obtained using homogenization and optimization of cellular materials.
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