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  1. james80

    beam forces sign convention

    Hi I am new to abaqus and was working on stress analysis of structure using gravity loads. I have represented hydraulic cylinders as beam elements(i dont know if that is the correct representation)and was extracting beam forces using *el print, SF. I was not able to find out what sign...
  2. james80

    request spring forces

    Hi All I am new to abaqus and wanted to know how to request spring forces in abaqus. I have 2 components connected by 3 stiff springs in XY and Z direction. i want to see what are the forces in those spring elements. I appreciate your inputs regards Jim
  3. james80

    shell coat on solid elements

    All thanks for the responses. I appreicate your help james80
  4. james80

    shell coat on solid elements

    John Thanks for your reply. By shell coat I meant membrane elements. I apologise for the confusion. james
  5. james80

    shell coat on solid elements

    All I wanted to know why it is recommended to put a shell coat on solid elements? One possible reason could be that there is a degree of freedom mismatch if the FEA model includes shell-solid connections. Is there any other reason I appreciate your help thanks regards James
  6. james80

    solid65 element

    I am trying to create a model of a fiber-reinforced matrix material with tension-only fibers. I have tried using the SOLID65 element (concrete element); however, the tension-only option is not compatiable (at least using the cast-iron material options). Do you have a suggestion as to how to...
  7. james80

    damping ratio effect in single point response analysis

    yah.i was told that damping ratio is used only to interpolate between the curves, it has no effect on the response. In other words, if u change damping ratio from 0.1 to 1.0, you will not see any diff in results james
  8. james80

    damping ratio effect in single point response analysis

    Hi I am doing a single point response analysis for a shell model and I observed that the damping doesnot affect the results at all. Can anyone provide some thoughts on why this is happening? thanks regards james
  9. james80

    higher order elements by revolve

    Can we create higher order elements by revolving. E.g creating 3-d elements by revolving 2-d elements. If so how to do that thanks regards james80
  10. james80

    cycphase

    Yes, Usum is max at 120 degrees, but when i do a cycphase,list, ansys gives me 0 -76.92 15.58 106.30 132.1337541 as the max displacement instead of 120 146.73 -29.73 -202.89 252.1503763 I dont know why?
  11. james80

    cycphase

    I am doing a cyclic symmetry modal analysis. I use cycphase to obtain the max disp at a node#10057. I observe that it is not returning the correct value. phase Ux Uy Uz Usum 0 -76.92 15.58 106.30 132.1337541 5 -65.73 13.32 90.83 112.9037296 10 -54.04 10.95 74.66 92.81444019...
  12. james80

    co-ordinate system

    If i have 4 local coordinate system. Is there a way to find out which nodes are associated with that coordinate system. E.G I have LCS_1 as the cylindrical coordinate system. I want to have a list of nodes that are refered to that coordinate system One way I was thinking was to renumber the...
  13. james80

    find out contact area between two bodies

    I want to know contact area after applying the loads. SO I wrote a macro that will do that.. I dont know if that works..i haventhad the time to do that..I will do it later amit !**create a element table containing the contact status of each element ESEL,S,ETAB,CONTSTAT,1,1, ,0 !selcts...
  14. james80

    find out contact area between two bodies

    Hi everyone, Is there a way to find out contact area between two bodies. thanks regards james
  15. james80

    PCG solver question

    Hi the problem only occurs when the model is from Ansys v8 and being used on our remote servers. When I archive the model out of v8, then in to v6, and finally save it as a v6 db, the model solved fine. This message (NaN) is with a large model from v8 solved on our remote servers using the PCG...
  16. james80

    PCG solver question

    I am running a linear static analysis in ANSYS, simple support and 1 lb load. I am using PCG solver, when I checked the .stat file for "ratio", I see ratio = NAN Can anyone tell me what it means?? thanks james
  17. james80

    shell-solid contact

    hi, I am working on shell-solid contact analysis. I built a test model which consisted of a cylinder and reactangle the cylinder was meshed with solid185 while the rectangle with shell63 with thickness of 0.1 I setup the contact using MPC algorithm with always bonded type contact. In the first...
  18. james80

    aanimating results

    Dear mihaiupb I will try this thanks james
  19. james80

    aanimating results

    I am actually interested in animating a series of stress plots from a series of results files. I did not solve the model using multiple load steps because the results file becomes enormous and unworkable. I split the full cycle of load positions into 20 "steps" and wrote a macro to place the...
  20. james80

    aanimating results

    Is it possbile to animate a series of stress plots from a series of results files. I have 15 result files and I want to know if I can animate them.

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