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Recent content by IanME

  1. IanME

    Ansys Figures in Gnerated Report

    Are you using Windows 7? Try turning off 'Aero' windows settings as it often messes up generated plots. I haven't seen this exact issue before, though. Hope that helps, -Ian "All models are wrong, but some are usefull" - George E. P. Box
  2. IanME

    Translational Periodicity

    I still have no been able to solve this problem. Does anyone have experience with the APDL command 'HFARRAY'? Thanks again... -Ian "All models are wrong, but some are usefull" - George E. P. Box
  3. IanME

    Absolut beginner - how to get started?

    When I started on FEA (ANSYS user here) I liked to replicate problems from my mechanics text books within ANSYS to see if I could generate similar results as to the book's solution. Always a good starting point. The more you use a particular software package, the more comfortable you get with...
  4. IanME

    Translational Periodicity

    User Base, I'm using Ansys V13 Mechanical Workbench. I am attempting to model a cell of a brazed heat exchanger core with multiple layers of fins/tubes for a homogenization analysis. I want to apply a periodic boundary condition on each plane of the 'unit cell' to simulate the periodic nature...
  5. IanME

    Transient Analysis

    "Heat flux or thermal flux is the rate of heat energy transfer through a given surface." where is heat flux. As the temperature profile of your part increases, more energy dissipates from the part (Eout increases), decreasing heat flux. Apologies if I am misunderstanding your question...
  6. IanME

    Relative contact motion

    First of all note that there is an ABAQUS specific forum within the 'Engineering Computer Programs' subset. I can't speak to ABAQUS but in ANSYS you would achieve this with a coupling constraint. A quick google for 'Abaqus Coupling Constraint' provided what appears to be some valuable...
  7. IanME

    Free program to see analysis results

    "of course you can buy the CFD Viewer to share your structural results" This is good to know. Thank you. -Ian "All models are wrong, but some are usefull" - George E. P. Box
  8. IanME

    Free program to see analysis results

    To my knowledge there is no ANSYS provided workbench 'viewer' program for structural analyses. Linked is the ANSYS product page: http://www.ansys.com/Products/All+Products . Note that there is a 3-D CFD Viewer provided by ANSYS. See this thread for some ideas...
  9. IanME

    difference in APDL and workbench

    Workbench V14 added a ton of new capabilities that blurs the line between APDL and Workbench. Within Workbench V14 you have the option to view and select nodes, apply nodal forces, created named nodal selections and more. Previously these nodal interactions were only available within APDL...
  10. IanME

    Funny Performance Review Comments

    Maui - Hilarious! #18 had me spitting coffee! "All models are wrong, but some are usefull" - George E. P. Box
  11. IanME

    mesh refinement in workbench

    Unless you have ANSYS V14, there is no nodal interaction within the Workbench Environment. There are many options within Workbench for mesh refinement: Element Sizing, Method Specification, Mapped Meshing, Sphere of Influence, Virtual Topography, the list goes on. You can select a face to...
  12. IanME

    Acceleration Tabular Data

    I believe you need to edit the 'Analysis Settings' of your Model to include the correct number of time-steps as in your acceleration table. Hope that helps, -Ian "All models are wrong, but some are usefull" - George E. P. Box
  13. IanME

    Flexible body analysis in Ansys workbench

    First of all please note that there is a separate forum for the ANSYS product family within the 'Engineering Computer Programs' sub-group. Second of all please reference the ANSYS workbench simulation guide (http://www1.ansys.com/customer/content/documentation/120/wb_sim.pdf) . Here you will...
  14. IanME

    Let's burn more sunshine

    I realize this sounds like something out of an Isaac Asimov story, but what if we had an entire planet of acceptable land for biofuel production? Say, Mars? http://science.nasa.gov/science-news/science-at-nasa/2004/25feb_greenhouses/...
  15. IanME

    Transient gear modelling

    I seem to remember (albeit vaguely) that rotational velocity in ansys (CMOMEGA in apdl) equates the stress and deflection fields from the velocity vectors created but does not simulate the movement in the environment. I'd definitely try using a moment load, although it really depends on your...
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