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ptc-42773611-Visitor
1-Visitor
March 9, 2012
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Is it possible to precisely specify Query points, using coordinates, or planes?

  • March 9, 2012
  • 1 reply
  • 5580 views

Is it possible to precisely specify Query points, using coordinates, or planes?

It will be nice of using excel table, and create specific XYZ points.

I need to check the FEA stress, against strain gages.

Thanks,

Boris

    Best answer by danderson

    Boris,

    When you ran the analysis, The analysis should have created a folder with the name of the analysis.
    In this folder there should be a file called (Your_Analysis_Name.rpt). Open this file with a text editor.
    In this file you will find the data your are looking for at the end of the file.

    Hope this helps,
    Don Anderson

    Should look something like this:

    Load Set: LoadSet1: PRT0001

    Resultant Load on Model:

    in global X direction: -3.731300e-10

    in global Y direction: 7.743008e-11

    in global Z direction: -2.000000e+03

    Measures:

    max_beam_bending: 0.000000e+00

    max_beam_tensile: 0.000000e+00

    max_beam_torsion: 0.000000e+00

    max_beam_total: 0.000000e+00

    max_disp_mag: 2.273793e-01

    max_disp_x: 1.274006e-02

    max_disp_y: -1.749406e-02

    max_disp_z: -2.264426e-01

    max_prin_mag*: -2.202082e+02

    max_rot_mag: 0.000000e+00

    max_rot_x: 0.000000e+00

    max_rot_y: 0.000000e+00

    max_rot_z: 0.000000e+00

    max_stress_prin: 2.323141e+01

    max_stress_vm*: 1.225728e+02

    max_stress_xx*: -9.745248e+01

    max_stress_xy*: 7.909744e+00

    max_stress_xz*: 7.430658e+00

    max_stress_yy*: -9.913390e+01

    max_stress_yz*: 1.070902e+01

    max_stress_zz*: -2.191157e+02

    min_stress_prin*: -2.202082e+02

    strain_energy: 1.765350e+02

    Measure1*: 1.225728e+02

    Measure2: 2.662682e+00

    Measure3: 7.468690e+00

    Measure4_PNT10: 7.497607e+00

    Measure4_PNT11: 7.910385e+00

    Measure4_PNT12*: 6.300263e+00

    Measure4_PNT13*: 5.404658e+00

    Measure4_PNT4: 5.468962e+00

    Measure4_PNT5: 7.303314e+00

    Measure4_PNT6: 8.184689e+00

    Measure4_PNT7: 8.172292e+00

    Measure4_PNT8: 4.504136e+00

    Measure4_PNT9: 6.807737e+00

    ** Warning: The measures marked by an asterisk (*) were evaluated

    at (or close to) results singularities. The values of these

    measures may be inaccurate, and you must use engineering judgment

    when interpreting them.

    Analysis "Analysis222" Completed (11:02:18)

    ------------------------------------------------------------

    Memory and Disk Usage:

    Machine Type: Windows XP 64 Bit Edition

    RAM Allocation for Solver (megabytes): 6288.0

    Total Elapsed Time (seconds): 1.34

    Total CPU Time (seconds): 0.61

    Maximum Memory Usage (kilobytes): 8233989

    Working Directory Disk Usage (kilobytes): 4096

    Results Directory Size (kilobytes):

    815 .\Analysis222

    Maximum Data Base Working File Sizes (kilobytes):

    4096 .\..\..\..\..\temp\Analysis222.tmp\kel1.bas

    ------------------------------------------------------------

    Run Completed

    Tue Mar 13, 2012 11:02:18

    ------------------------------------------------------------

    1 reply

    D
    danderson1-Visitor
    1-Visitor
    March 13, 2012

    Boris,

    You might try using a Simulation Measure over Selected Geometry at Point. (see image below)

    If you create your points as a pattern it will create measures for each of the points you have
    defined in the pattern. (make sure to select the pattern)

    You could then map the measure results in the .rpt file in the analysis directory to an excel file sheet.

    mechanica_points_measure.jpg

    Hope this helps,
    Don Anderson

      P
      ptc-42773611-VisitorAuthor
      1-Visitor
      March 13, 2012

      Don,

      Thanks a lot.

      It is very helpful.

      I created the pattern of the points, using CREO.

      After that, I opened a Simulation, and created the measures from the points.

      When simulation is finished, I cannot found .rpt file in the directory, and cannot see any measures results.

      Probably, I missed something. Please, guide me step by step.

      By the way, you already seriously helped me.

      Thanks,

      Boris

      D
      danderson1-Visitor
      1-Visitor
      March 20, 2012

      David,

      I was able to do it using the following in wildfire 4. If you can pattern points at the simulation level you would be able to bypass creating the points on the surface in part mode and just create them on the volume region.

      1. create a extruded capped surface inside the part of the area that you want to measure in part mode.

      2. create a pattern of points on the extruded surface in part mode

      3. create a volume region in Simulation mode matching your surface you created in part mode
      You may have to use thru all (I had to in wildfire 4) for the volume region. This breaks the internal
      surface so the points have elements to attach to.

      4 create your measures using point pattern.

      Hope this helps,
      Don Anderson

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