13.264. REINF264 - 3-D Discrete Reinforcing

Matrix or Vector	Base Element	Shape Functions (for each layer)	Integration Points
Stiffness and Stress Stiffness Matrices and Thermal Load Vector	Linear 3-D spar, beam, solid, or shell	Equation 11–6, Equation 11–7, and Equation 11–8	Across the length: 1 Across the section: 1
	Quadratic 3-D beam, solid, or shell	Equation 11–19, Equation 11–20, and Equation 11–21	Across the length: 2 Across the section: 1
Mass Matrix	Same as stiffness matrix		Same as stiffness matrix
Pressure Load Vector	N/A		N/A

Load Type	Distribution
Element Temperature	Linear along the length, constant across the section.
Nodal Temperature	N/A
Pressure	N/A

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. See Stiffness and Mass Matrices of a Reinforcing Layer for the general formulation of the reinforcing stiffness and mass matrices.