Products: Abaqus/Standard Abaqus/Explicit Abaqus/CAE
Benefits: You can now create fluid cavity pressure fields and boundary conditions in Abaqus/CAE. Fluid cavity pressure predefined fields and boundary conditions are used in conjunction with fluid cavity interactions (for more information, see “Surface fluid cavities and fluid exchanges in Abaqus/CAE,” Section 10.1). The cavity pressure is used to specify the behavior of the cavity within an analysis and to specify flow rates in fluid exchange interactions.
Description: You can define a fluid cavity pressure predefined field in the initial step of an analysis. You associate the field with a fluid cavity interaction; this association applies the predefined field to the cavity reference point.
You can create a fluid pressure boundary condition in most analysis steps and modify it in any step after you create it. As with the fluid cavity predefined field, you associate the boundary condition with a fluid cavity interaction; this association applies the boundary condition to the cavity reference point. You can edit the pressure and select an amplitude to define how the change in pressure is applied from one analysis step to another. Some steps do not allow fluid pressure changes; for these steps the pressure is fixed at the value from the end of the previous step.
Figure 8–4 shows the Edit Predefined Field and the Edit Boundary Condition dialog boxes for fluid cavity pressure.
Load module: Create Boundary Condition; Category: Other, Types: Fluid cavity pressure; specify the fluid cavity interaction Create Predefined Field; Step: Initial, Category: Other, Types: Fluid cavity pressure; specify the fluid cavity interaction
