FLAC3D 6.0|加条件的遍历

; FISH to store gridpoints on y=0 surface 'South' fish define FindSurface  global surface = map  ；构建映射型变量map  loop foreach local gp gp.list    if gp.isgroup(gp,'South') then        surface(gp.id(gp)) = gp   ；建立节点之间的联系，地址-ID    endif  endloopend@FindSurface
; FISH to track AxialStress on y=0 surface 'South'fish define AxialStress  local str = 0  loop foreach local gp surface   ；开始遍历      str = str + gp.force.unbal.y(gp)  ；你做什么  endloop  AxialStress = str / math.pi ; cylinder radius = 1  ；还是你做什么end