Topology optimization of continuum structures subjected to pressure loading |
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Authors: | V.B. Hammer N. Olhoff |
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Affiliation: | Institute of Mechanical Engineering, Aalborg University, DK-9220 Aalborg East, Denmark?e-mail: vbh@ime.auc.dk, no@ime.auc.dk, DK
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Abstract: | This paper presents a generalization of topology optimization of linearly elastic continuum structures to problems involving loadings that depend on the design. Minimum compliance is chosen as the design objective, assuming the boundary conditions and the total volume within the admissible design domain to be given. The topology optimization is based on the usage of a SIMP material model. The type of loading considered in this paper occurs if free structural surface domains are subjected to static pressure, in which case both the direction and location of the loading change with the structural design. The presentation of the material is given in a 2D context, but an extension to 3D is straightforward. The robustness of the optimization method is illustrated by some numerical examples in the end of the paper. Received August 3, 1999 |
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Keywords: | : Design dependent loads pressure loading topology optimization |
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