FEKO5.3例子探讨——Example22-Antenna_Coupling_on_an_Electrically_Large_Object

Example22-Antenna_Coupling_on_an_Electrically_Large_Object，提高频率至6G,mesh参数为：edge length=lam0/7，segment length=lam0/20,wire segment radius=lam0/60出现
Error 16068: Mesher aborted due to unknown error.
Error 17580: The mesher aborted abnormally while meshing "Rooivalk".

图二 ，两个错误。

怀疑是FEKO5.3 CADFEKO里面的bug造成。

Mesh 量過大....可用 RM CARD 解決....這個問題..我算到2.8GHZ...記憶體就需要 112G RAM (MOM+MLFMM)...

请问webhugo 先生：
用RM CARD 解決，是在prefeko里面处理cfm文件吗?能否说详细一点。

YES . 附上 Sample.
PS.檔案上傳有點問題..你先看手冊練習.找越簡單的架構來做。
DESCRIPTION OF THE GEOMETRY CARDS 13-100
13.39 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 (e.g. direct creation
in PREFEKO with cards, but also import from NASTRAN, FEMAP, PATRAN
etc.) 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.
A local mesh refinement refers to a point or a line as reference, or also to a complex
cable harness geometry, which is defined directly by importing the corresponding *.rsd
file from CableMod or CRIPTE.
Note that similar to other FEKO cards, the RM card applies only to what follows in the
*.pre file after the line where the RM card has been read. So for instance if one wants to
import a mesh from a NASTRAN file via the IN card and do a mesh refinement during
the import, then one first has to use the RM card, then followed by the IN card.
Multiple RM cards can be used, for instance if there are multiple areas in a model where
the mesh shall be refined locally. Or also if we use a mesh refinement with respect to
one point, the mesh size increases linearly with distance, and by adding another RM card
with a global mesh refinement option, a threshold can be set.