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Part-5.md

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Part 5

Abaqus post processing

To see the results from a job that you have submitted, or ran as a batch file, right click the job and select Results (make sure you have the correct working directory set). This will open the Results tab and display a new model tree on the LHS of the window. You will find the output file in this model tree.

You can change the appearance of the model by clicking image. This will open a dialog box that gives you the options to change the Render Style, Colour and the type of Visible Edges.

You can also display the deformed image model or the undeformed model image.

To display the stress or strain contours select the deformed shape image, undeformed shape image, or both image. When displaying contours on both, change the appearance of the undeformed model by clicking image.

Change the Contour Plot Options by clicking image. In the dialog box you will find the maximum and minimum stress, principle strains etc. and the location, and you can change the appearance of the contours (under the Basic tab) to Line, Banded or Quilt, and the contour intervals from Discrete to Continuous. Play around...this is all entirely up to you.

At the top toolbar you can change the type of results that are being displayed: stress (S), strain (E), displacement (U), reaction force (RF)...these are probably the only ones you are going to need.

To get the RF from the bite points click image to probe the nodes. Select Nodes in the dropdown list next to Probe and then click on the node for the bite point.

To get the internal strain energy (Ԑ) expand the Output database file in the model tree, expand the History Output and then double click Strain energy: ALLSE for Whole Model. A temporary XY plot will appear. Click image to probe the plot and click the line near the top.

Setting up a View Cut is easily done by clicking the Activate/Deactivate View Cut icon image. By clicking the next icon across image, you can change the axis and location of the cut.

You can also probe image nodes or elements on the model for stress or strain values in critical areas of interest.

Getting general stats (e.g. mean, median etc.) for your entire model

Export a Field Output Report to get the stress and strain values for every node. Go to the menu Report > field output, and select the components you want to export. In the Setup tab, name your file and uncheck Column totals and Column min/max.

The field output file can then be opened in R for analysis, so you can get mean, median, boxplots etc. The file is usually huge, so don't try to display the whole table.

Setting up an XY plot of a path

Create a path: Tools > Path > Create. In the dialog box that appears, click "Add Before..." and select the nodes for the path, click done.

Click the Create XY Data icon image and select path in the options, click continue. In the dialog box that appears select the path to be plotted from the dropdown list and change any of the settings.

Under Point Locations, you can choose to include intersection along the path, or not.

image

You can also choose the X and Y values. X values can be displayed as the True Distance, Normalised Distance, Sequence ID or X, Y, Z Distances.

Y Values can be changed by selecting the Field output variable by clicking image.

When you're done, you can see your results by clicking Plot, then Save As...

image