Define a damage interface material in Simcenter Samcef or Multiphysics

You can create materials only if the Allow Local Materials customer default is selected.

In this example, we define a Bi-triangular damage interface law.

1. Ensure that the FEM is the work or displayed part.

2. Choose Menu→Tools→Materials→Assign Materials or Manage Materials.

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

4. In the New Material group, select Damage Interface from the Type list.

5. Click Create Material .

6. In the materials dialog box, enter a Name for the material.

7. Enter values for material properties.The elastic characteristics:For Transverse Stiffness (K03S), enter a value of 1600e6 in units of mN/mm3.For Shear Stiffness (K02), enter a value of 500e6 in units of mN/mm3.The damage behavior:For Fracture Toughness (GIc - GP), enter a value of 0.3 in units of N/mm.For Fracture Toughness (GIIc - GP), enter a value of 1.3 in units of N/mm.For Coupling Coefficient (DCOU), enter a value of 1.For Law Option, select the Bi-triangular law.For Energy Threshold (Y0S), enter a value of 8e-6 in units of N/mm.For Tangent of Constitutive Law (TANG), select Secant.For Parameter for Delay (ADEL), enter a value of 1.For Time for Delay (TAU), enter a value of 0.01 in units of sec.

8. Click OK.

9. Close the Manage Materials dialog box.

For more information, see the damage interface material page in the Simcenter Samcef solver documentation.

Look up more details

Damage Interface Material definition dialog box (Simcenter Samcef/Simcenter Nastran/Simcenter 3D Multiphysics)

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Define a damage interface material in Simcenter Samcef or Multiphysics, Simcenter 3D 2021.1 Series

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