Topological optimization method of composite sandwich plate shell structure based on damping maximization
A sandwich board, topology optimization technology, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve the problems of low calculation speed and calculation accuracy, increase in shape, change structure size, etc., and achieve a reliable and fast optimization method. , The effect of good vibration reduction and vibration absorption effect
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[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.
[0027] The purpose of the present invention is to provide a topology optimization method based on the damping maximization of the composite sandwich plate and shell structure, which uses an improved Fourier approximation algorithm, constrains the frequency band of a certain order natural frequency, and maximizes the structural damping As a goal, the optimal configuration of the composite sandwich panel and shell structure is obtained by changing the fiber laying angle parameters of each layer in the constrained layer of the composite sandwich panel and shell structure.
[0028] The object of the present invention is achieved by such technical scheme, and its concrete steps are as follows, as figure 1 Shown:
[0029] 1) Extract the corresponding size information, material information and boundary information according to the actual composite sandwich shell st...
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