*CAVITY DEFINITION

*CAVITY DEFINITION
Define a cavity for thermal radiation.

This option is used to define cavities for thermal radiation heat transfer. It can be used only in conjunction with the *SURFACE, TYPE=ELEMENT option.

Product: ABAQUS/Standard

Type: Model data

Level: Model

References:

“Cavity radiation,” Section 24.1.1 of the ABAQUS Analysis User's Manual
*SURFACE

Required parameter:

NAME

Set this parameter equal to the name of the cavity.

Optional parameter:

AMBIENT TEMP

Set this parameter equal to the reference temperature of the external medium to which radiation takes place in the case of an open cavity. If this parameter is omitted, the cavity is assumed to be closed.

Data lines to define a cavity for thermal radiation:

First line:

List of surfaces that compose this cavity.

Repeat this data line as often as necessary to define the cavity.