A multi-layered equivalent finite element (FE) modeling method for honeycomb material was proposed to fast and accurately analyze honeycomb plates’mechanical properties.The calculated results of modal analysis,static analysis,and shock spectral analysis based on this model were compared with those using the current frequently-used FE modeling method.It was shown that the results using the multi-layered equivalent FE model agree better with performances of the original honeycomb plates; the proposed method can significantly improve calculation efficiency; based on the multi-layered equivalent FE model,complex parameters and target are quantified,and the function relation between honeycomb cell size and the first five order modal frequencies is established to provide a basis for structural optimization design.
Key words
Honeycomb /
Multi-layered equivalent method /
Modal analysis /
Static analysis /
Spectrum analysis
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