Structure topology optimization design method based on response surface method
A topology optimization and design method technology, applied in the field of aviation systems, can solve problems such as few researches on topology optimization design
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[0023] Below in conjunction with accompanying drawing, the technical scheme of invention is described in detail:
[0024] The feasibility and effectiveness of the present invention are verified through the example analysis of the support arm structure in a typical aircraft component. The original structure of the design object is attached figure 1 and 2 As shown, according to the geometric shape of the support arm structure, a structural finite element model is established in Hypermesh, using 2D-Shell element to simulate web 3 and joint 2, and 1D-Beam element to simulate flange 1, and set Rigid elements to simulate bolted connections. The material in the model is 7050 aluminum, the elastic modulus is 69000MPa, the Poisson's ratio is 0.33, and the density is 2830kg / m 3 , the S-N curve of the material is attached image 3 shown. Web 3 is the topology optimization design area, flange 1 and joint 2 are non-design areas, and the load is added at the center of joint 2, along th...
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