Boundary: Nodal Flux

Function

Assign nodal flux.

Call

Model > Boundary > Nodal Flux

<Nodal Flux Boundary dialog box>

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 Boundary Set directly in the entry box, GTS will automatically create the relevant Boundary Set.
 

Object

Type

Select a method of selecting a part where nodal flux will be assigned.
 

Curve

Select Curves on which the boundary condition will be applied.

Surface

Select Surfaces on which the boundary condition will be applied.

Node

Select the nodes directly.

Free Face Node

Select nodes of selected element's free face. All nodes within defined angle (Feature Angle) from a Seed node will be assigned.
 

Free Face Node

It becomes active when the Free Face Node selection method is designated.
 

Seed Node

Select a Seed Node which becomes the reference of determining the free face.
Feature Angle

When the free face selection is expanded out of the Seed Node, it only selects element nodes within the specified Feature Angle.
 

Click to select free face nodes, and they will appear on the screen.
 

Mode

Add/Replace

Add/Replace nodal flux value on selected nodes

Delete

Delete nodal flux value on selected nodes

Apply to Unassigned Objects Only

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

Nodal Flux

Value

Enter the nodal flux value..

Function

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

Review Boundary based on Seepage Conditions

This option enables the user to check nodal flux condition as water level changes in the analysis model.