13.215. CPT215 - 3D 8-Node Coupled Pore-Pressure-Thermal Mechanical Solid

Matrix or VectorShape FunctionsIntegration Points
Stiffness and Stress Stiffness MatricesEquation 11–217, Equation 11–218, and Equation 11–2192 x 2 x 2
 
Mass MatrixSame as stiffness matrix2 x 2 x 2
Pressure and Temperature Load VectorQuadEquation 11–70 and Equation 11–712 x 2
TriangleEquation 11–50 and Equation 11–513
Damping matricesSame as stiffness   
Flow Load VectorSame as Pressure Load Vector  
Load TypeDistribution
Element TemperatureTrilinear thru element
Nodal TemperatureTrilinear thru element
Surface Pressure LoadBilinear across each face
Flow and heat fluxBilinear across each face
 

13.215.1. Other Applicable Sections

General Element Formulations gives the general element formulations used by this element.