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Where to get information on the Mechanics of Bilayer Beam bending for  Bridge & Cantilever beam?

Hi all!

 
I'm using Matlab and mupad  in my research .I have managed to plot a few curves using mupad, a powerful symbol computation soft. Since it is theory solution, I want to add the experimental curves to compare the goodness.But i don't how to make the two softwares work cooperated. 

Any suggestions will be appreciate.

(Forgive my poor English^_^) 

haiwei zhang

fdzhw [at] yahoo.com.cn

Dear everyone,

Recently I have read the paper--Haversian cortical bone model with many radial microcraks: An elastic analytic solution. In this paper, I can't understand the dislocations Burgers vectors (bt and bn), the following words and the corresponding expressions(6a) and (6b). The paper is attached.   

Now, if it is assumed that bt and bn are continually distributed

over the microcracks, the shear and normal stresses could be

formulated as (6a) and (6b).

 Waiting for your help. Thanks.

Dear All,

Hi, friends

I want to simulate the nonlinear vibration of a cantilever beam under magnetic force. Is it possible to implement in ANSYS? Any guy has such experience? 

Is there any available fem source code for plasticity theory?

 Thanks alot!