1.18. CONTA173 - 3D 4-Node Surface-to-Surface Contact

Matrix or VectorGeometryShape FunctionsIntegration Point Locations
Stiffness and Stress Stiffness MatricesQuadEquation 11–70, Equation 11–71, and Equation 11–722 x 2
TriangleEquation 11–64, Equation 11–65, and Equation 11–663
 

1.18.1. Other Applicable Sections

The CONTA173 description is the same as for CONTA174 - 3D 8-Node Surface-to-Surface Contact except there are no midside nodes.