ANSYS Workbench: Importing a load into Mechanical from external data

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SUMMARY

The discussion focuses on importing load data from an Excel CSV file into ANSYS Workbench Mechanical for a curved surface model. The user successfully created an external data box but encountered issues with the load varying incorrectly across the cross-section instead of along the x-coordinates. The load data includes specific x, y, and load values, and the user seeks assistance in ensuring the load distribution aligns with the intended path geometry.

PREREQUISITES
  • Understanding of ANSYS Workbench Mechanical
  • Familiarity with importing external data files into ANSYS
  • Knowledge of CSV file formatting and structure
  • Basic principles of load application in finite element analysis
NEXT STEPS
  • Research how to correctly map load data from CSV files in ANSYS Workbench
  • Explore the use of ANSYS Mechanical's load application features
  • Learn about path geometry creation in ANSYS for accurate load distribution
  • Investigate troubleshooting techniques for load variation issues in ANSYS simulations
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Engineers and analysts working with ANSYS Workbench, particularly those involved in finite element analysis and load application on complex geometries.

Galju
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I have modeled a curved surface to which I need to applied forces defined in a Excel csv sheet. I have successfully created an external data box in the project schematic and tried to import the load into mechanical.

The load file I have resembles:

X Y Load
0.3 1.0 20
0.4 1.2 22

the x y columns are used to create the path geometry for a cross-section. The load is to be coupled with the x-coordinate so that it is applied to the to surface of the generated surface (from the extruded cross-section along the path).

The Problem:
I managed to import the load and set it to the Z-component, however, when I generate the load, it seems to vary within the cross-section. I need it to vary along the path's x- coordinates.

attached are 2 photos showing how the load is varying along the cross-section-- which is wrong. the colours should vary along the length of the surface.

Thank you for your help.

Galju
 

Attachments

  • Load Import Airfoil Cross-section.JPG
    Load Import Airfoil Cross-section.JPG
    19 KB · Views: 1,184
  • Imported Load Dist.JPG
    Imported Load Dist.JPG
    18.1 KB · Views: 1,227
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Hi Galju:

This is more of a question myself. How did you import the x,y,z text data file into ANSYS? What version were you using? I would like to know this also because I have say a surface measurement data in xyz format and make that an surface plot on a solid.

Thanks.
 

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