Fluent 网格怎么转换到 OpenFOAM

Fluent 网格默认单位是 mm,怎么转换到转换到 OpenFOAM 的 m 的单位?

转换方法是:

fluentMeshToFoam  -scale  0.001  网格文件  # 缩小 1000 倍

下面是 5.x 的命令说明

Usage: fluentMeshToFoam [OPTIONS] <Fluent mesh file>
options:
  -2D <thickness>   use when converting a 2-D mesh (applied before scale)
  -case <dir>       specify alternate case directory, default is the cwd
  -fileHandler <handler>
                    override the fileHandler
  -noFunctionObjects
                    do not execute functionObjects
  -scale <factor>   geometry scaling factor - default is 1
  -writeSets        write cell zones and patches as sets
  -writeZones       write cell zones as zones
  -srcDoc           display source code in browser
  -doc              display application documentation in browser
  -help             print the usage