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Recent content by cali

  1. cali

    Initial conditions for stresses and node deflections

    thanks for your recommendation. Could you please let me know the keyword that you use for this task?
  2. cali

    Definition of initial stresses ?????

    Hi, I am modeling a sequence of deck placement in a bridge. I am using concatenated analysis using the RESTART function. However, I am having some convergence problems. Therefore, I would like to define each model independent but I need to define the initial stresses corresponding to those...
  3. cali

    Initial conditions for stresses and node deflections

    Hi, I am modeling the deck casting sequence of a bridge. I am using several concatenated models, but I need to define some initial conditions for stresses and for the new positions of the nodes which correspond to the previous analysis. I appreciate any help. Thanks, NGC
  4. cali

    Change of stiffness in a restart analysis

    Hi, I am running some starting analysis, where I need to change the stiffness properties of some shell elements, since I am modeling the hardening process of a concrete slab. I would like to know how to apply this stiffness change... Additionally, I need to define a material to represent the...
  5. cali

    How to run an input file from Matlab!!

    Thanks rmettier for your help. I really appreciate it.
  6. cali

    How to run an input file from Matlab!!

    Hi bkal, My input files are created in Matlab, I just want to complete my program code with a function that calls abaqus and run the models, all with the same program in Matlab.
  7. cali

    How to run an input file from Matlab!!

    Thanks for your recommendation. But I already have the input files, the only thing that I need is a way to run this models from Matlab, I mean, to call Abaqus from Matlab in order to run those input files that I already have. Because, I don't want to do it manually, since I would waste time...
  8. cali

    How to run an input file from Matlab!!

    Hi, I am currently working in some parametric analyses. I would like to know if there is any way to run my models from Matlab, in order to avoid doing this with the Abaqus command each time that I need to run a model. I have tons of input files, so it would be really efficient to have such...
  9. cali

    how to solve eigenvalue problems using Compaq visual fortran ??

    Thanks to both of you for your help
  10. cali

    how to solve eigenvalue problems using Compaq visual fortran ??

    I created a program in fortran 90 using Compaq visual fortran V6.6. This program has a math library named CXML, but that library doesn't include comands to solve a generalized eigenvalue problem. Does anyone know how to include a better math library into this program? or if there is another way...
  11. cali

    How can I obtain the internal resistant moment of a continous beam?

    Hi all, I have modeled a beam with shell elements, and I would like to know its resistant moment at an specific section along the length. Is there any function in Abaqus that I can use to obtain these internal forces in a transversal section of a continous model? Or I just have to make the...
  12. cali

    Constraint for Mesh refinement

    Thanks for your information, I will do it.
  13. cali

    Constraint for Mesh refinement

    Hi, I am modeling an I-plate girder and I have a mesh refinement on the middle of the span, the transition of the mesh is made simply dividing the square elements by two, therefore there are some middle nodes that are not connected to the coarse mesh. Someone can tell me how to give continuity...
  14. cali

    How to define non-linear panel zones in SAP2000?

    I would like to know how to define a non-linear panel zone in SAP2000 (non-linear nllink). I would appreciate any help about this topic.
  15. cali

    How to select and scale ground motion records

    Hi, I’m going to work with time-history analyses but I need to know how to select the correct ground motion records and how to scale them, in order to match the features of a specific place. I would appreciate any information about it. Thanks.
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