Boundary: Seepage Face

<Seepage Face>

BC Set

Select the Boundary Condition Set to be distributed to the current boundary condition to be defined.  

If there is no pre-defined Boundary Condition Set, click the button on the right, summoning the Boundary Condition Set dialog box, and create a Boundary Condition Set.  Likewise, by inputting the name of the Boundary Condition Set and creating the boundary conditions, the program will automatically create the BC Set using the name inputted by the user, and the defined boundary conditions will be distributed in the Boundary Condition Set.  

Type

Seepage Face

2D

Select element edge.

3D

Select the face of solid element.

Object

Type

Choose the basis for selecting the element for defining the seepage face.  

Surface

Define the seepage face by selecting Surface

Free Face Element

Define the seepage face on the relevant face of the solid element's Free Face.  

Mode

Add/Replace

Define a new node discharge or replace an existing node discharge with a new node discharge.  

Delete

Delete the defined node discharge

When Add is selected and the "Apply to Unassigned Objects Only" is checked, the information for the preexisting element or node is maintained, but if it is unchecked, the newly inputted information is replaced.  

Pressure Head

Value

Input the pressure value.

Function

To use seepage boundary condition function in the unsteady state analysis, click on this option and select the function to use.  If a function has not been pre-defined, click on the button on the right and summon the relevant function.   

After all the inputs have been completed, click the preview button to check if the boundary conditions have been inputted accordingly, and if there are no errors, click the button.  If user is continuing with inputting boundary conditions elsewhere, click the button and continue inputting information.  To initialize the inputted information click the button and re-input the data.