****master
***geometry
 **point point0
  *position 1.000000000000000e+02 0.000000000000000e+00 0.000000000000000e+00
 **point point1
  *position 2.000000000000000e+02 0.000000000000000e+00 0.000000000000000e+00
 **point point2
  *position 0.000000000000000e+00 2.000000000000000e+02 0.000000000000000e+00
 **point point3
  *position 0.000000000000000e+00 1.000000000000000e+02 0.000000000000000e+00
 **point point4
  *position 0.000000000000000e+00 0.000000000000000e+00 0.000000000000000e+00
 **line line0
  *p1 point0
  *p2 point1
  *cuts 20
 **line line1
  *p1 point2
  *p2 point3
  *cuts 20
 **arc arc0
  *p1 point0
  *p2 point3
  *cuts 40
  *center point4
  *data   1.000000000000000e+02 0.000000000000000e+00 1.570796326794897e+00
 **arc arc1
  *p1 point1
  *p2 point2
  *cuts 40
  *center point4
  *data   2.000000000000000e+02 0.000000000000000e+00 1.570796326794897e+00
 **domain domain1 Ruled0
  *name R
  *element c2d8
  *method 1
  *b1 arc0 
  *b2 line0 
  *b3 arc1 
  *b4 line1 
***mesher
  **nset 
    *type cartesian
    *name left 
    *axes 0 1 2 
    *limit 0.00100000 
    *func x<0.001;
  **nset 
    *type cartesian
    *name bottom 
    *axes 0 1 2 
    *limit 0.00100000 
    *func y<0.001;
  **nset 
    *type cartesian
    *name inner_wall 
    *axes 0 1 2 
    *limit 0.00100000 
    *func x*x+y*y-100.*100.<0.001;
  **nset 
    *type cartesian
    *name outer_wall 
    *axes 0 1 2 
    *limit 0.00100000 
    *func x*x+y*y-200.*200.>-0.001;
  **bset_from_nset 
    *nset_name left 
  **bset_from_nset 
    *nset_name bottom 
  **bset_from_nset 
    *nset_name inner_wall 
  **bset_from_nset 
    *nset_name outer_wall 
***plotting
  **default_options 1 0 1
****return