*GAP ELECTRICAL CONDUCTANCE

Specify electrical conductance between surfaces.

This option is used to introduce gap electrical conductance in a surface interaction model in a coupled thermal-electrical or a coupled thermal-electrical-structural simulation. It must be used in conjunction with the SURFACE INTERACTION option.

Related Topics
*SURFACE INTERACTION
In Other Guides
Fully coupled thermal-stress analysis
Fully coupled thermal-electrical-structural analysis
Electrical contact properties
GAPELECTR

ProductsAbaqus/Standard

TypeModel data

LevelModel

Optional parameters

DEPENDENCIES

Set this parameter equal to the number of field variables on which σg depends.

PRESSURE

Include this parameter to indicate that σg is a function of the contact pressure between the surfaces, p. Omit this parameter to define σg as a function of the clearance, d, between the surfaces.

USER

Include this parameter to define σg in user subroutine GAPELECTR. In this case the DEPENDENCIES parameter and any data lines are ignored.

Data lines to define the gap electrical conductance directly

First line
  1. Electrical conductivity, σg. (Units of CT−1L−2φ−1.)

  2. Surface separation, d, or surface pressure, p.

  3. Average temperature, θ¯.

  4. Average value of the first field variable, f1¯.

  5. Average value of the second field variable, f2¯.

  6. Etc.

Repeat this data line as often as necessary to define the dependence of gap electrical conductance on the surface separation, average surface temperature, and the average of any predefined field variables on the surfaces.