Boundary: Surface Flux

Function

Define the surface flux by volumetric water flow.

Call

Model > Boundary > Surface Flux

<Surface Flux Boundary>

BC Set

Select a Boundary Set in which the specified boundary condition is included
Click to the right to prompt the Define Boundary Set dialog box to add, modify or delete Boundary Sets. If the user types the name of the Boundary Set directly in the entry box, GTS will automatically create the relevant Boundary Set.

Type

Face Flux

Apply surface flux value on planar elements or face of solid elements.
Edge Flux

Apply surface flux value on line elements or edge of planar elements.
 

Object

Type

Select a method for selecting nodes where the Surface flux will be assigned.
 

Surface

Select Surface on which the boundary condition will be applied.

Free Face Element

Select free face of solid elements.

Curve

Select Curves on which the boundary condition will be applied.

Free Edge Element

Select free edge of planar elements.
 

Mode

Add

Add/Modify surface flux value on selected nodes

Delete

Delete surface flux value on selected nodes

Apply to Unassigned Objects Only

When adding a new surface flux value, this option applies nodal head value only to the unassigned nodes.
 

Nodal Flux

Value

Enter the surface flux value..

Function

If the surface flux is defined using a function, select the relevant function. If it is not been created yet, click button to invoke the Create/Modify Function dialog box.