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  1. naeng

    How add custom pipe diameters into mechanical routing?

    Hi everyone: That is my question, i want to add my custom diameters into mechanical routing and i still don´t get it. What i have tried is using the utility ss2ptb.exe following the method explained here http://www.eng-tips.com/viewthread.cfm?qid=306020, and i get the file with the extension...
  2. naeng

    Bolt, rivet modeling with CELAS2 or CELAS1 element??

    Hi: I have seen perform an analysis of a bolted joint with a CELAS2 or CELAS1 (grounded element), and get the forces in the three main directions from de CELAS element (x,y,z direction), but i don´t know how to do this because to configure the celas element, it just can define the stiffness in...
  3. naeng

    Eigenfrequencies without any restriction

    Has some sense extract the eigenfrequencies of a structure, or mechanical part, without any restriction in displacements?. If so, which is the reason?. I do this question, because i´ve seen do this in a very, very important analysis of a mechanical component in a very, very important company...
  4. naeng

    associate surfaces

    My question is how to associate two surface (like in Patran) along its common edge, in order to along this edge, common nodes will be generated, so after generate the mesh, "equivalence" (merge) the nodes duplicated at the same location (like in Patran) getting a node common to both surfaces...
  5. naeng

    create common nodes along of the common edge of two faces

    hi, everyone: in other software like patran, in order to conect two surface sometimes it´s necesary associate the edge of one of them to the other surface so the mesher create nodes in the same position for both surface and finally do equivalence for deleting the duplicates nodes and then the...
  6. naeng

    Tutorial 17 Femap Frequency response of tower

    I´ve been working in this tutorial of femap, and my question is if should it be possible to perform a time history analysis applying an acceleration, on the node base, dependent of time like an accelerogram?, if it should be possible, wich will be the proccedure? Thanks in advance.
  7. naeng

    Apply a ground acceleration in patran

    Someone who could explain me how to apply a ground acceleration in patran in order to simulate an earthquake, must it be applied at the constraint nodes wich simulate de foundations? or how should a ground acceleration must be applied in order to simulate an earthquake? Thank in advance

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