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shear stiffness

sandwich composite: equivalent transverse shear stiffness

Submitted by tatiana on

 Hi,

 I wish to calculate an equivalent transverse shear stiffness of a simple sandwich plate. The plate is made of two skins and a layer of a foam.

Does anyone know an analytical formula for determination of equivalent (kGS) ?

 Thank's.

How to calculate the shear stiffness of a beam

Submitted by Jameswei on

Lately I began to wonder why I hadn't learned how to calculate the beam shear stiffness in college. I vaguely recalled that the teacher told us the shear stiffness could be omitted in the beam calculation compared to the bending stiffness.

Can anybody show me how to calculate the shear stiffness if it is large enough and cannot be ignored?  Like the example shown in the picture below