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  1. Mechaero2006

    Contact boundaries and stress results (MSC MARC)

    I am sorry for the double post but I've seen that the msc software: marc forum doesn't receive any attention. Could you please have a look in the following question of mine? https://www.eng-tips.com/viewthread.cfm?qid=459720 Thank you.
  2. Mechaero2006

    Contact boundaries and stress results averaging

    Dear all, I recently completed successfully a 3d connection problem where two steel plates are connected with a bolt and subjected to tension/bending. The question arises from the observation that the element stress results through the "extrapolation" option need to be "averaged" or remain...
  3. Mechaero2006

    Constraint or Internal Forces?

    This might sound trivial but I really want to ask: A beam is modelled with 1d elements, appropriate constraints are placed on two points and a load is applied on one end. Simulation is successfull and now the question: If one wants to use the fea calculated forces on the constraints in order...
  4. Mechaero2006

    Application of shear flow load in PATRAN?

    Hello all, could you please have a look on the following thread (accidentally posted in FEA) and give your replies here? http://www.eng-tips.com/viewthread.cfm?qid=408400 Thank you in advance for your assistance.
  5. Mechaero2006

    shear flow?

    Dear all, in the file attached you will see a simple drawing of a part I want to model. The question is about the recommended process to model the boundary conditions and especially the shear flow seen. As stated in the file, everything is known (forces, moments at points 1 and 2), section...
  6. Mechaero2006

    Some ideas? No actual code needed...

    Hello all, I have this simple numerical problem to solve, for which I know what to do (done it in 1D) and I am only asking which -in your opinion- would be the best way to arrange and present my data in order to plot them using gnuplot or similar. A brief description of the problem follows: A...
  7. Mechaero2006

    Change specific array elements from an array column

    The following question is a repost to this FORTRAN dedicated forum (sorry about that) Hello all, although it might sound trivial to more experienced users, I am trying to create a code in FORTRAN (preferably f90 or higher) of a n series x 2 columns matrix, where a condition on some elements of...
  8. Mechaero2006

    FORTRAN: condition on array elements in one column changes corresponding elements in other column

    Hello all, although it might sound trivial to more experienced users, I am trying to create a code in FORTRAN (preferably f90 or higher) of a n series x 2 columns matrix, where a condition on some elements of column 1, will change the corresponding elements of column 2 (i.e. only those that...
  9. Mechaero2006

    MSC NASTRAN: NLSTEP for nonlinear problems (SOL 400)

    Hello. I was wondering if it is possible for someone to post his/her experience from the use of the NLSTEP solution stratery (-gies) for tackling nonlinear FEA problems that include composite materials (classic examples as the DCB or similar are welcome). Other types of problems that you might...

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