This option is used to control the combination of surfaces that can cause blockage of flow out of a surface-based fluid cavity. It must be used in conjunction with the *SURFACE INTERACTION option.

References:

• “Fluid exchange definition,” Section 11.5.3 of the Abaqus Analysis User's Manual

• “Mechanical contact properties: overview,” Section 35.1.1 of the Abaqus Analysis User's Manual

• “Contact blockage,” Section 35.1.4 of the Abaqus Analysis User's Manual

• *SURFACE INTERACTION

• *FLUID EXCHANGE ACTIVATION