|Type of mesh
||unstructured mesh (hexahedra elements only)
The translator creates a grid and boundary conditions file in the AcFlux
Creating the AcFlux Input File
The AcFlux output interface can be invoked from the AI Environment.
Under the menu "Output
", "Select solver
", select "AcFlux
Then select "Write input
". A window opens to allow
the specification of the files to be translated into the AcFlux format.
First, an unstructured mesh file must be selected.
In addition, the output interface requires the boundary conditions file,
and offers the option to define the name of the AcFlux input file.
The interface generates the AcFlux input file in the current project directory.
Defining boundary conditions and properties for AcFlux
After generating the mesh, and prior to running the translator, boundary
conditions and properties for AcFlux can be defined using the AcFlux
Graphical User Interface. Under the menu "Output
", select "AcFlux
". Then select "Boundary
" and the current boundary condition file to edit (default is
"family_boco.fbc" or "project
.fto"). The "Family Boundary Conditions" window
opens allowing to set the boundary conditions and properties on the mesh
families. The program supports the definition of model unit, regions, boundary
types, radiation panel and contrained grid data.
The model unit needs only to be specified once, on any of the domains
or families of the model. The default model unit name is 'MM'.
The region numbers are optionally defined on each domain or 3D family.
The regions are defined by specifying the following data:
material region id (IRM)
diagnostic region id (IRD)
mesh deformation region id (IRV)
initial condition region id (IRI)
adaptive solution region id (IRA)
user defined region no 1 (IR1)
user defined region no 2 (IR2)
user defined region no 3 (IR3)
The default value for all these variable is set to one.
The boundary types can be defined on subfaces or 2D families.
The valid boundary types are:
baffle (only one side is defined)
The boundary region numbers (IRB) must also be defined.
For cyclic boundaries, two distinct IRB must be given, one for each side of the periodicity.
Radiation panel number
The radiation panel number can be set on boundary surfaces. It should
be set to a positive integer.
If undefined, the radiation panel number is set to one by default.
Constrained Grid Data
This condition allows to specify constrains on vertices. It must be
defined on node families. An optional "ranking number" can be specified.
The "constrained grid data" (CG) are written to the AcFlux file in the
order given by the ranking number.
This interface is only written for 3D models composed of HEXA-8 elements.