Structure robustness optimization design method containing interval parameter uncertainty
An optimization design, uncertainty technology, applied in computing, electrical digital data processing, special data processing applications, etc., can solve problems such as the inability to guarantee the robustness of constraints and the excessive amount of calculation
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[0043] The present invention will be further described below in conjunction with accompanying drawing and example.
[0044] The information involved in the figure is the actual application data of the present invention in the robustness optimization design of the upper beam of a certain high-speed press, figure 1 It is a flow chart of robust optimization design with interval parameter uncertainty structure.
[0045] 1. Establish an interval-based optimal design model for the robustness of the upper beam
[0046] The three-dimensional solid model of the upper beam of a high-speed press is as follows: figure 2 As shown, the cross-sectional dimension h of the beam above 1 、h 2 , l 1 , l 2 and l 3 is the design variable, such as image 3 As shown, taking the material density ρ and elastic modulus E as uncertain variables, taking the maximum deformation as the objective function, and taking the weight and maximum equivalent stress as the constraint functions, an interval-ba...
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