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  1. Mohcine

    why nobody answered to my question ?!! Please help me, I am stucked in!!

    Try creating a reference point about the origin of that co ordinate system, then constraint it to the reference point of the roller.
  2. Mohcine

    Cohesive behavior in abaqus

    Hi, I run the simulation on my computer and it seems to be finish without a problem. At each increment, the total iteration is 1 and no severe discontinuity, which i believe indicate no convergence issues. Am i missing something here?
  3. Mohcine

    I need help

    I have attached the CAE, hopefully it will run without a problem. http://files.engineering.com/getfile.aspx?folder=3918623b-a5f5-43c0-8216-50cff09cbb43&file=Balle_de_golf.cae
  4. Mohcine

    I need help

    Hello again , What i meant earlier is that the file run without any errors, because it sounded like you had problem getting it to run. I run it today and yes it seem to stop after a certain frame. it is because the time step was small and the rigid part does not reach the golf ball, and time...
  5. Mohcine

    I need help

    Hi, Is the simulation not running at all? do you only get warnings but no error messages. Sometimes, you can ignore the warning messages but just be aware of them. I have just managed to get it the model you sent to run just fine. I got to say, i am not a expert in this field, but i have...
  6. Mohcine

    THE *FAIL STRESS OPTION CAN ONLY BE USED WITH PLANE STRESS ELEMENTS?

    @compositesFEAguru I would like to get in contact please :). I wish to mention you in my acknowledgement, for helping me alot. Thanks
  7. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    Not quite what I desired to get , but it is useful nonetheless :)
  8. Mohcine

    Connecting cohesive elements

    *Constraint
  9. Mohcine

    Connecting cohesive elements

    To my understanding from reading Abaqus manual about connecting the tie constre aint is that: If the mesh is the same as the parts and the cohesive elements, use the node tie constraint. If the the mesh is different ( finer for the cohesive element), surface tie constraint is to be used. What...
  10. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    I managed to solve it :)...the problem was resulting from the partition on the cohesive element not being selected when I defined the surface tie constraint. I have a question relating to viewing the results.... It is possible to view the delamination through all the layer at the same time...
  11. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    I spoke too soon.... The results I get from cohesive element are not good..the element gets extremely distored ( see the pic I have added, plz http://files.engineering.com/getfile.aspx?folder=cc8ca81e-bd55-4727-83f2-d1d61deb852c&file=Distorted.PNG ), and the delamination is rather odd ( I add a...
  12. Mohcine

    THE *FAIL STRESS OPTION CAN ONLY BE USED WITH PLANE STRESS ELEMENTS?

    I have used conventional shell (2D) and didn't encounter any problem as I previously did. I have wanted to make that clear, just in case some else in future experiences similar error.
  13. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    You are a guru indeed :)....it worked, like magic. You sir, are my saviour. I'm finally making some serious progress in my dissertation. Many thanks!
  14. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    *damageinitiation, criterion=HASHIN, alpha=1 *damageevolution, type=ENERGY *density *elastic, type=LAMINA *mass, elset="ASSEMBLY_IMPACTOR-1__PICKEDSET6_POINT MASS_" *surfaceinteraction, name="HARD CONTACT" *shellsection, elset=ASSEMBLY_PART-3-1_COMPOSITELAYUP-1-1...
  15. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    I have looked at the section you recommended reading...I modeled a 2D shell composite and defined the parameter for hashin and requested the relevant outputs (eg, HSNFTCT, HSNMTCRT,....) when I request a field output, the following errors causes the job to be aborted: Output request hsnftcrt...
  16. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    Yes I am.....It is the only method mentioned in the paper i linked to earlier... How did they input the matrix cracking criterion? Any model you would recommended using in Abaqus ? Thanks alot :)
  17. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    Do I have to define a VUMAT? Is it possible to get the code from for puck and just input it in? PS (ignore the attachment for the previous comment, I typed it unknowingly) Thanks
  18. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    For Pluck failure criterion I used QUADSCRT similar to that I used for cohesive layer, but no results are obtained indicating any matrix crack....am i inputting in the wrong place? there are not much option available apart from MAXSCRT and QUADSCRT. Thanks compositesFEAguru :)
  19. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    Thank you very much.
  20. Mohcine

    Viewing delamination/ matrix cracking in Abaqus?

    This papers covers every thing i am modelling with the exact dimensions, please review : http://www.imechanica.org/files/Perillo_NTNU_final_2212012.pdf Am stuck at how to view the delamination as they have on page 13. Thanks for your help

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