18.13.2 Pipe-soil interaction element library

Product: ABAQUS/Standard

References

Element types

2-D elements

PSI24 Two-dimensional 4-node pipe-soil interaction element
PSI26 Two-dimensional 6-node pipe-soil interaction element

Active degrees of freedom

1, 2

Additional solution variables

None.

3-D elements

PSI34 Three-dimensional 4-node pipe-soil interaction element
PSI36 Three-dimensional 6-node pipe-soil interaction element

Active degrees of freedom

1, 2, 3

Additional solution variables

None.

Nodal coordinates required

2–D: ,

3–D: , ,

Element property definition

Input File Usage:

*PIPE-SOIL INTERACTION

Element-based loading

None.

Element output

The relative displacements corresponding to the forces below are chosen by requesting the corresponding “strains.” Elastic and plastic strains are available.

Two-dimensional elements

S11	Force per unit length in the first local direction.

S22	Force per unit length in the second local direction.

Three-dimensional elements

S11	Force per unit length in the first local direction.

S22	Force per unit length in the second local direction.

S33	Force per unit length in the third local direction.

18.13.2 Pipe-soil interaction element library

References

Element types

2-D elements

Active degrees of freedom

Additional solution variables

3-D elements

Active degrees of freedom

Additional solution variables

Nodal coordinates required

Element property definition

Element-based loading

Element output

Two-dimensional elements

Three-dimensional elements

Node ordering and integration point numbering