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Predefined Materials

A collection of common material types and corresponding material coefficients are available in RocFall for both Lump Mass and Rigid Body analyses.

NOTE: Lump Mass and Rigid Body material coefficients are generally not the same as they do not share the same contact mechanics.

Lump Mass

To populate material coefficients from a predefined material:

  1. In the Slope Material Library, select a desired material and select the Common Types Common Types button button.
  2. You will see the Material Library Common Types dialog.
  3. Material Library Common Types dialog

  4. Select a Material Type from the dropdown.
  5. Select a Name from the dropdown.
  6. Select a Surface from the dropdown (if applicable).
  7. Select OK.

The mean values for the Normal Restitution, Tangential Restitution, and Friction Angle are automatically populated.

Rigid Body

To populate material coefficients from a predefined material:

  1. In the Slope Material Library, select a desired material and select the Common Types Common Types button button.
  2. You will see the Material Library Common Types dialog.
  3. Material Library Common Types dialog

  4. Select a Material Type from the dropdown.
  5. Select OK.

The mean values for the Normal Restitution, Tangential Restitution, Dynamic Friction, and Rolling Friction are automatically populated.

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