26.13.2 Pipe-soil interaction element library

Product: ABAQUS/Standard  

References

Element types

2-D elements

PSI24Two-dimensional 4-node pipe-soil interaction element
PSI26Two-dimensional 6-node pipe-soil interaction element

Active degrees of freedom

1, 2

Additional solution variables

None.

3-D elements

PSI34Three-dimensional 4-node pipe-soil interaction element
PSI36Three-dimensional 6-node pipe-soil interaction element

Active degrees of freedom

1, 2, 3

Additional solution variables

None.

Nodal coordinates required

2–D: X, Y

3–D: X, Y, Z

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.


Node ordering and integration point numbering