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hi all.

some time ago. i was measured the strees intesity factor (SIF) means electronic speckle pattern interferometry. i remeber used two equationes (in polar system) to compute by laest square method the K_I and K_II factors from measured displacement in the x and y directions. 

my question is: do you find some utility or advanage develop a interferometer with radial sensibility?, i appraise your opinion or any suggestion

thanks

Jorge Parra

Hi, i am adarsh, graduate student in  geotechinical engg

I am new to abaqus.

I have to  use UMAT written in fortran  for my projec.

I need to know or anybody having documentation about  what is inutfile, UMAT, SDVINI (Related to geoechnical engg ) e.t.c so that i can learn regarding the same.

(Use of time step in loading and unloading for triaxial test or cylcic test)

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?