pystran.spring module#

Define mechanical quantities of general springs.

pystran.spring.assemble_stiffness(Kg, member, i, j)[source]#

Assemble the stiffness matrix of a general spring.

The details of the calculation depend on whether the spring is in two dimensions or in three dimensions.

Parameters:
  • Kg – Global structural stiffness matrix.

  • member – Dictionary that defines the data of the member.

  • i – Dictionary that defines the data of the first joint of the member.

  • j – Dictionary that defines the data of the second joint of the member.

Returns:

Updated global matrix is returned.

Return type:

array