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Apply SSR

In the Define Material Properties dialog, the Apply SSR option allows you to turn the SSR analysis on or off for individual materials. NOTE:

The Apply SSR option for materials has the following purpose:

  • By default, if you are carrying out an SSR analysis with RS2, the Apply SSR check box is turned on for all materials, so that the SSR analysis will be applied to all plastic materials.
  • If you turn the Apply SSR check box OFF for a material, the material will retain its original plastic strength parameters without being subjected to the SSR strength reduction. In other words, an SSR model is allowed to simultaneously have plastic materials which are NOT subjected to strength reduction, and plastic materials which ARE subjected to strength reduction.

This should be considered an advanced user option, and in most cases this check box should be left on for all materials.

Other Methods of Excluding Materials from SSR Analysis

There are TWO other methods of excluding specific materials or regions from the SSR strength reduction:

  • If the Material Type = Elastic then the material is automatically excluded from the SSR analysis (since the SSR analysis requires plastic material properties).
  • You can also define an SSR Search Area to choose which area of the model will undergo the SSR analysis. Areas outside of the SSR Search Area will be excluded from the shear strength reduction process.

If you want to exclude specific materials or regions from SSR analysis then these options may be more appropriate.

Apply SSR for Joints

In the Define Joint Properties dialog you can turn SSR analysis on or off for individual joint properties. See the Define Joint Properties topic for details.

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