13.285. SOLID285 - 3D 4-Node Tetrahedral Structural Solid

Matrix or VectorShape FunctionsIntegration Points
Stiffness, Mass, and Stress Stiffness Matrices; and Thermal Load VectorEquation 11–175 through Equation 11–1864
Pressure Load VectorEquation 11–50 and Equation 11–513
Load TypeDistribution
Element TemperatureSame as shape functions
Nodal TemperatureSame as shape functions
PressureLinear over each face
 

13.285.1. Other Applicable Sections

Structures describes the derivation of structural element matrices and load vectors as well as stress evaluations. General Element Formulations gives the general element formulations used by this element.

 

13.285.2. Theory

Stabilization terms are introduced and condensed out at element as enhanced term (Onate et al.([92])).