Define a Mooney-Rivlin material (Simcenter Samcef)

1. Make the FEM the work part and displayed part.

2. Choose Home tab→Properties group→Assign Materials or Manage Materials.

3. In the Material List group, select Local Materials.

4. In the New Material group, from the Type list, select Mooney-Rivlin.

5. Click Create Material .

6. In the materials dialog box, in the Name - Description box, type a name for the material.

7. From the Property View list, select Samcef Mooney Rivlin.

8. On the Mechanical page, for Bulk Modulus (K), enter 10 in units of N/mm^2(MPa).

9. In the Distortional Deformation - (Aij) page, define the coefficients of the Mooney-Rivlin law as follows. In the Number of Points (NTPS) box, enter 2.Only the first two linear coefficients of the law are exported to the solver file. If you define more coefficients, the exporter ignores them.Define the linear coefficients of the law.Note: In the coefficients table, the Samcef Ci coefficients of the law are outlined as:RowColumn 1Column 2Column 3Column 4Column 51C2C5C9C142C1C4C8C133C3C7C124C6C115C10Linear part of the lawCoefficients: C1, C2. Parabolic part of the lawCoefficients: C3, C4, C5. Cubic part of the lawCoefficients: C6, C7, C8, C9.4th order part of the lawCoefficients: C10, C11, C12, C13, C14Click the second row, and in the Column 1 (2) box, enter a value of 0.001 in units of N/mm^2(MPa).Click the first row, and in the Column 2 (1) box, enter a value of 0.001 in units of N/mm^2(MPa).

10. Click OK.

11. Close the Manage Materials dialog box.

For more information, see the Mooney-Rivlin material page in the Simcenter Samcef solver documentation..

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Mooney-Rivlin Material Definition dialog box

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Define a Mooney-Rivlin material (Simcenter Samcef), Simcenter 3D 2021.1 Series

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