| A Geometric Representation Scheme Suitable for Shape Optimization |
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| 作者单位： | Wang Xuelin and Zhou Ji CAD Center，Huazhong University of Science and Technology，Wuhan，Hubei 430074，P.R. China |
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| 摘 要： | ＡＧｅｏｍｅｔｒｉｃＲｅｐｒｅｓｅｎｔａｔｉｏｎＳｃｈｅｍｅＳｕｉｔａｂｌｅｆｏｒＳｈａｐｅＯｐｔｉｍｉｚａｔｉｏｎＷａｎｇＸｕｅｌｉｎａｎｄＺｈｏｕＪｉＣＡＤＣｅｎｔｅｒ，ＨｕａｚｈｏｎｇＵｎｉｖｅｒｓｉｔｙｏｆＳｃｉｅｎｃｅａｎｄＴｅｃｈｎｏｌｏ...
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A Geometric Representation Scheme Suitable for Shape Optimization |
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| Wang Xuelin and Zhou Ji CAD Center,Huazhong University of Science and Technology,Wuhan,Hubei ,P.R. China. A Geometric Representation Scheme Suitable for Shape Optimization[J]. CADDM, 1997, 0(2) |
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| Authors: | Wang Xuelin Zhou Ji CAD Center Huazhong University of Science Technology Wuhan Hubei P.R. China |
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| Affiliation: | Wang Xuelin and Zhou Ji CAD Center,Huazhong University of Science and Technology,Wuhan,Hubei 430074,P.R. China |
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| Abstract: | A physical approach is used to provide shape modification of NURBS curve. The movement of the control polygon of NURBS is simulated by a physical frame structure. The shape of the design boundaries is described by a linear combination of n mode shape vectors, which are introduced by modal analysis. The control points of NURBS curve are then mapped into mode coordinate system, and the curve deformation is then carried out through the changes of mode coordinates. Numerical examples are used to demonstrate the applicability of this approach to structural shape optimization. |
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| Keywords: | shape optimization NURBS curve finite element method |
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