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Identification of equivalent stiffness parameters of honeycomb sandwich shell using detailed cell structure analysis

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2 Author(s)
Zhenhan, Yao ; Department of Engineering Mechanics, Tsinghua University, Beijing 100084 ; Shisheng, Qu

The ways to identify the equivalent transverse shear modulus of the honeycomb core are presented. Gyz is identified with a model of trident core cell, Gxz is computed using a model of two-walled core cells by boundary elemenmethod. The shear deformations of the cells are simplified to plane-stress problems related on the boundary of the cell walls. Coupled boundary element equations for the plane pairs are established, and numerical examples show that this simple efficient 2-D model has comparable accuracy with that of three-dimensional finite element model.

Published in:

Tsinghua Science and Technology  (Volume:2 ,  Issue: 2 )

Date of Publication:

June 1997

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