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Found 5 results

  1. I'm designing a bicycle frame in OptiStruct environment. In the first step I'm building a bar model. I mainly use PBEAML, as I chiefly have changing cross sections. The cross sections have been defined in HyperBeam. I used the OptiStruct standard cross sections BOX and TUBE. Now I want to examine the orientation of my cross sections.
  2. Hello everyone, I am currently working on a lattice structure made of beam elements and I would like to split all those elements into two, in order to increase the mesh's density. So far I have found how to split 1-D elements by drawing a line... but considering there are close to 26 000 elements, this method is definitely not ideal here ! So my question is: is there an easy way to select all the 1-D elements and split them into two "in one click" ? Thank you in advance for your time. Matthieu
  3. Hello, I have two square beams in contact. I define master and slave surfaces and impose static friction (mu=0.3) between them with S2S discretization. The loading is pretension through rod elements (modeling a bolt) and I use inertial relief since there are no constraints. I'm using a nonlinear quasi-static solver. I get the following error message. A fatal error has occurred during computations: *** ERROR # 941 *** NON-CONVERGENT NONLINEAR ITERATIONS FOR SUBCASE 1 Suggestions: * Friction or STICK can cause more difficult nonlinear convergence - if feasible try frictionless gap/contact. * This problem has gap elements with friction or stick condition. For more intuitive results and often better convergence, set GAPOFFS on GAPPRM card to AUTO. (This may violate rigid body balance, especially for unsupported ... *** PROGRAM STOPPED: FATAL ERROR(s) ENCOUNTERED. How can I resolve this?I attached the full error message and .out file for your reference. Thanks, Matt Error_Message_Friction_Forum.txt Point_Loading_of_Beams_Reduced_Model_Coarse.out
  4. Hi, I´m trying to perform a non linear simulation simplifying screws using beams. I need to create a contact between the beam and the plates that are being linked, but I don´t know how to do it. It is necessary tu use a pcontx11? In this case, it is possible to include it in a non linear quasi-static analysis with pretension? And finally is Pcontx11 implemented in optistruct V14? Could you help me, Thanks,
  5. Hello Everyone, I am running a simple implicit simulation with Optistruct Solver. I want to analyse the Bending Moment Diagram of a hollow beam supported by 2 locations and Load is also applied at 2 location on opposite surface. Please find attached file for more details. Can you please help me how to plot and analyse the Bending Moment Diagram of this Beam. Thanks In advance. Regards Nitin Jain SB2_mit_radius.hm SB2_mit_radius.h3d
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