- ** Card
With this card a comment line can be defined whereby all text in this line is ignored.
- BC Card
The BC card is used to define the boundary layers for an FDTD voxel mesh.
- BL Card
The BL card is used to connect two points to form a line, which is then subdivided into wire segments.
- BP Card
A mesh of surface triangles in the shape of a flat parallelogram can be created with this card. In general, this card is replaced by the PM card. This card should only be used when the user wants to force the very regular meshing that this card produces.
- BQ Card
This card defines a mesh of surface triangles in the shape of a flat quadrangle.
- BT Card
This card defines a mesh of surface triangles in the shape of a flat triangle.
- CB Card
The CB card can be used to change geometry element labels that have been previously defined. Labels that are associated with points, segments, triangles, cuboids, polygonal plates and tetrahedral elements can be updated.
- CL Card
This card defines an arc consisting of wire segments.
- CN Card
This card is used to reverse the normal direction of previously created triangles or polygonal plates, for example after importing CAD data.
- DC Card
Domain connectivity (discontinuous Galerkin domain decomposition method) can be used to connect a discontinuous mesh and geometry where one is a static mesh (for example, a large imported car model) and the second is dynamic parameterized geometry (for example, a small antenna).
- DD Card
Domain decomposition can be used to store parts of a method of moments solution in a file to be reused in future simulations. The stored part must remain static but the rest of the model can change.
- DK Card
This card defines an eighth of a sphere, meshed into cuboidal elements, for solving with the volume equivalence principle in the MoM.
- DP Card
The DP card is used to define points in space. These points are used to define the extent and orientation of other geometric entities and to locate excitations.
- DZ Card
The DZ card is used to create a cylindrical shell, meshed into cuboidal elements for using the volume equivalence principle in the method of moments. The meshing parameters as set at the IP card are used, and the medium as set at the ME card is assigned to all created cuboidal elements.
- EG Card
The EG card indicates the end of the geometrical input. It is essential that the EG card is used.
- EL Card
A mesh of surface triangles in the shape of an ellipsoidal section is created with the EL card.
- FA Card
This card is used to define a finite antenna array which includes mutual coupling and edge-effects.
- FM Card
The FM card is used to instruct the Feko solver to calculate the solution using accelerated methods, for example, using the multilevel fast multipole method (MLFMM) or adaptive cross-approximation (ACA). An option is available to apply compression to looped plane wave sources.
- FO Card
The FO card is used to define an area in which the surface current density is an approximation.
- FP Card
Options related to the Feko solution parameters is set using the FP card. The basis functions used when using FEM or MoM is set globally or on specific labels.
- HC Card
The HC card creates a cylinder with a hyperbolic border.
- HE Card
The HE card creates a helical coil, consisting of wire segments.
- HP Card
The HP card creates a plate with a hyperbolic border.
- HY Card
With this card a hyperboloid section can be created.
- IN Card
The IN card is used to include external files. These files may be other .pre files (which are included as if they were part of the master file) or mesh data files containing wire segments, triangles, quadrangles, tetrahedral volume elements and/or polygonal plates (in FEMAP neutral, ASCII format, NASTRAN, AutoCAD DXF, NEC model, CONCEPT geometry, STL, PATRAN neutral, ANSYS CDB, ABAQUS, GiD or I-DEAS UNV mesh files).
- IP Card
The IP card defines a number of meshing parameters as well as the wire radius.
- KA Card
The KA card defines an edge between two points that forms the border of the PO area. On this edge the fringe wave currents are taken into account.
- KK Card
The KK card defines a mesh of surface triangles in the shape of a conical section.
- KL Card
The KL card defines a wedge for which correction terms are added to the PO currents on two surfaces connected to it.
- KR Card
This card creates a mesh of surface triangles in the shape of circular region with or without a hole. It is also possible to create an elliptical region.
- KU Card
This card creates a mesh of surface triangles in the shape of a spherical section.
- LA Card
With this card, labels are assigned to segments, triangles, polygonal plates, cuboids, uniform theory of diffraction cylinders and points.
- MB Card
With this card, a modal port boundary condition may be applied on the boundary of a finite element method (FEM) region. A modal port essentially represents an infinitely long guided wave structure (transmission line) connected to a dielectric volume modelled with FEM.
- ME Card
This card must be used to distinguish the different media and to create segments and triangles (metallic or dielectric) within or on the surface of dielectrics solved with FEM or VEP as well as MoM/MLFMM.
- NC Card
This card defines the name to be used for the next configuration.
- NU Card
This card defines surface triangles representing a NURBS surface.
- PB Card
This card can be used to generate a section of a parabolic reflector as shown in the figure on the card.
- PE Card
This card defines the unit cell for a periodic boundary condition (PBC) calculation. The phase change between cells is specified with the PP card.
- PH Card
The PH card creates a triangular or quadrangular plate with a circular or elliptical hole as shown in the card. The hole can be used, for example, to attach a cylinder (ZY card) to the plate and it can be filled with the KR card.
- PM Card
A surface mesh of triangles in the shape of a polygon is created by using the PM card. The PM card also allows the specification of interior mesh points. The PM card should generally be used in favour of other cards that create flat surface meshes with straight edges.
- PO Card
The PO card the application of the physical optics approximation is possible.
- PT Card
This card defines a port connected to the full wave model. Reference this port when defining sources, loads, networks and transmission lines.
- PY Card
The PY card defines (by specifying the corner points) a polygonal plate surface to which the UTD formulation is applied.
- QT Card
This card is used to create a dielectric or magnetic cuboid, meshed into smaller tetrahedral volume elements solved with the VEP or FEM.
- QU Card
This card creates a dielectric or magnetic cuboid, meshed into smaller cuboidal volume elements, for solving with the volume equivalence principle in the MoM.
- RM Card
The RM card provides a sophisticated remeshing and adaptive mesh refinement facility. Most types of meshes (surface mesh with triangular patches, wire segment mesh, cuboidal volume elements) created by any option supported in Feko (for example, direct creation in PREFEKO with cards, but also import from NASTRAN, FEMAP, PATRAN and the rest) can be used as a basis, and one can then apply either a local or a global mesh refinement. Unfortunately in Feko Suite 5.4 there is still a restriction that tetrahedral volume elements as used for the FEM cannot be refined with the RM card.
- SF Card
This card scales the geometric data.
- SL Card
This card defines, for the combined MoM/MTL, the transitioning point from circuit elements (defined in a cable schematic) to the full wave model (defined using DP cards).
- SY Card
This card defines symmetry planes to reduce computation time and to reduce the number of elements to be meshed.
- TG Card
With the TG card, the already entered geometric elements (triangles, segments and the rest) can be translated, rotated, mirrored and/or scaled. It is also possible to duplicate structures.
- TO Card
Using the TO card a surface mesh in the form of a toroidal segment can be generated.
- TP Card
With the TP card points (previously defined with the DP card) can be translated, rotated and/or scaled (relative to the origin).
- UT Card
This card defines the parameters for the uniform theory of diffraction (UTD) for polygonal plates and cylinders, faceted UTD for curved surfaces and ray launching geometrical optics (RL-GO).
- UZ Card
The UZ card is used to create a cylinder that will be solved with the uniform theory of diffraction (UTD).
- VS Card
This card specifies known visibility information (required when using physical optics with multiple reflections) to reduce the calculation time.
- WA Card
The WA card is used to define all windscreen antenna solution elements. This would include all elements in close proximity to the finite glass structure and can consist of either segments or triangles (all defined by labels).
- WG Card
The WG card is used to create a wire grid in the shape of a parallelogram.
- WR Card
The WR card is used to define a dielectric windscreen reference plane. Geometrically this surface is not part of the electromagnetic model and is used simply to determine the curvature factor between the two elements on the windscreen.
- ZY Card
This card defines a surface mesh in the form of a cylindrical segment.