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software of interest to mechanicians

Beam Element in MSC NASTRAN

Submitted by sugeng on

Dear All,

 

I am wondering about beam element in MSC NASTRAN.

How can a linear distribution of translation or rotation along a beam element produce a linear distribution of moment and constant shear force in a case of single tip force loading?  

What kind of beam element or beam theory used? I am not sure it is Timoshenko beam theory (which produce constant moment and linear shear force distribution)

 

I thank you in advance.

 

Best regards,

Sugeng  

CAL90 software

Submitted by Ray_Lau on
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Dear all,

Do you have a software called "CAL90"?

I am looking for that software to compute the matrices of the dynamic analysis.

Can you please tell me where I can download the software?

Thank you for your attention. Wish you all the best.

Best,

Ray

EFD or CFD Softwares Help

Submitted by projpeixe on

Please, I need some EFD or CFD software that has an Student Version. I have to make an analysis Solid-Fluid and vice versa, but i have no software to make that.

Now I'm using Pro/E to make Streches and statics analysis, but i cant do any EFD or CFD without any patch or software.  Anyone knows any?

 

Tanks! 

ANSYS-smeared crack models

Submitted by LINH TRUONG HONG on

Dear all,

 

I just use ANSYS to model brick masonry.  I use solid65 for modeling brick masonry to define crack with smeared crack model but I have some problems:

 

1. The solid65 is only for isotropic, beside brick masonry exbihits as orthotropic. Could you introduce me what element can model brick masonry with orthotropic behaviour to define smeared crack?

 

A question on ANSYS

Submitted by Qianfeng Wang on
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I want to simulate a thin circular film in xy plane. The force is in z direction. I wanna get the deflecton of the film using ANSYS.

The material is linear, but the deformation is geometrically nonlinear. Also, I consider only stretching behavior, which means that

the bending effect is totally neglected.

Which element I should choose?

 

Thanks in advance!!