Kf_matrix

Purpose

stiffness matrix at free dofs of structural model

Synopsis

Kf = Kf_matrix (Model,ElemData)

Description

KF_MATRIX stiffness matrix at free dofs of structural model
  KF = KF_MATRIX (MODEL,ELEMDATA)
  the function forms the stiffness matrix KF at the free dofs of the structural model
  specified in data structure MODEL with element property information in cell array ELEMDATA

Cross-Reference Information

This function calls:

• Localize returns the node coordinates and id array of element
• ElmLenOr element length and x-axis orientation (direction cosines)