31.2.6 Contour integral output

After you have defined the crack, you must use the History Output Request editor in the Step module to include the contour integral data in the output database generated by the analysis. The editor allows you to configure the following:

The output frequency.
The type of contour integral calculation to perform (J-integral, -integral, stress intensity factors, or T-stress).
The number of contours to evaluate.

Abaqus writes a history output variable to the output database for each contour integral that it calculates. Figure 31–13 shows the format of the name of an output variable representing a contour integral.

Figure 31–13 The format of a contour integral name in the output database.

For detailed instructions, see “Requesting contour integral output,” Section 31.2.11. For more information, see “Modifying history output requests,” Section 14.12.3, and “Contour integral evaluation,” Section 11.4.2 of the Abaqus Analysis User's Guide.