software

Is it possible to model and do the thermal analysis of a thermosiphon loop using ABAQUS.

Greetings all,

i want to know, is there any way to measure edge length ( "curves" specifically,  not looking for straight edge length  using distance between vertices as query feature :) ), and also to get vertices co-ordinates in  local co-ordinate system; in ABAQUS CAE or using python scripting.

my problem is somehow related to above query,  can manage solution with 'other' tricks, but want to know any standard methods are avaliable.

Any help is appreciated.

Thanks,

siddhesh 

Hello everyone

 Hi,

I just posted the Matlab source code of our new 3D Fast Iterative Digital Volume Correlation (FIDVC) algorithm to our lab website:

franck.engin.brown.edu

I've met some strange problems implementing umat. To speak in short, it's parallel degradation, which means when run in serial mode, everything is OK, there's no failure of equilibirium iteration and therefore no cut back, but when switch to parallel mode, there are random cut backs. I checked the process by outputing results to files and found very bizarre phenomenon, the data changes when transfering from the subroutine called to its caller. For example, if the main program calles sub(a), and in sub a is specified intent(out).

hello

I works with subroutins in ABAQUS.

I  have written a vuhard subroutin and I have some problems.

who  does work with this subroutin that can help me?

With regards

babaeeian 

I simulate a metal foam microstructure in abaqus but now in material property I dont know which kind of material can I use?

For example I used elasticity and plastic(crushable foam) or elasticity and plastic(isotropic hardening) ?

I calculated an example of unaxial tension using GTN model offered by Abaqus. I followed all the instructions found in CAE User's and Analysis User's manual in Abaqus documentation. No error or warning was issued but the result seemed ridiculous, since VVF, VVFG and VVFN keeped 0 throughout the process while equivalent plastic strain keeped increasing(which showed the material had come into plastic deformation). I don't know what went wrong, looking forward to you reply.

Hi all

 I am modeling a truss in fire conditions, using ISO 835 fire for it. Now I have included some imperfections on the braces(L/1000) and I would like to know how to run this type of analysis(RIKS)

I used normally two steps, one to define the load on my truss and the second to import the temperatures as a predefined field. At this moment I do not know ho to modify my model steps in order to reach the solution. My temperature analysis takes 30 min and I cannot add time to a riks analysis

Hi guys，

    Is there anybody use PATRAN and NASTRAN to simulate rotor-bearing sysytem.

After modeling the shat and meshing it, I don't know which element type can be used to 

analysis the bearing than contain cross stiffness and damping  coefficients.

The following is an exmple:

------------------------------------------------------------------------------- 

Hi,

Hi 

I have an android 4.3 tablet. but I can't download from this link:

https://play.google.com/store/apps/details?id=com.dassault.academy

Error message:"This app is incompatible with your device". google not recognize my  android! 

Anyone can download this, and upload for me? or find another link!

thanks.

Hi,

Iwant to model progressive impact damage problem in Abaqus. I know the theory, but I don't know how to use Abaqus to modeling damage. is there any example, tutoial or etc to help me?

thanks 

Dear imechanica users,

I have decided to learn how to use .ses and .pcl files in Patran to simplify repeatable operations.

In my problem, I would like to consider several beams of the same length, loading/BC conditions etc. but with different cross-section dimensions.
In order to make my calculations fully automatic, I have parametrized both width and height of the cross sections (as REAL a,b) and created nested FOR loops to obtain 20 different designs.

Dear All, 

We (the NanoBIO Node at Illinois ) have a preliminary release of an online finite element analysis of nanoindentation (indentation) tool using FEAP . 

This preliminary release is limited to linear elastic material, axisymmetric geometry, spherical rigid indenter, and various boundary conditions. 

hi,,,,,,,,,,i am doing project on viscoelastic sandwich beam in ansys can any1 give idea how to model ,assign properties ,which element,,,,,,i need to choose if any references /tuturial/copy,,let me know it will be helpful,,,,,,,,,,,,,,for me...............sreensree1014@gmail.com

I am getting displacement and force both zero. I am attaching .cae file please have a look where i am making mistakes.

https://www.dropbox.com/s/it3rkmfd31bk0k3/25mmMS.cae

https://www.dropbox.com/s/buz5ar62z6faf26/25mmMS.jnl

Thanks

Hallo,

does anyone know, if it is possible to transfer a FE-Model from Abaqus to LsDyna? I build up the model with Abaqus Cae, so I can take either the *.cae or the *.inp file.

Thanks for your answers, Lena