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{ 3D_FILLET.PDE  

 This problem demonstrates the use of the FILLET and BEVEL commands.

 Both controls act in the 2D layout, and are extruded into the z dimension.

}

title 'fillet test'

coordinates

   cartesian3

variables

   u

definitions

   k = 1

   u0 = 1-x^2-y^2

   s = 2*3/4+5*2/4

equations

   U: div(K*grad(u)) +s = 0

extrusion z=0,1

boundaries

  region 1

      start(-1,-1)

      value(u)=u0 line to (1,-1)     FILLET(0.1)

                  to (-0.25,-0.25)   FILLET(0.1)

                  to (-1,1)           BEVEL(0.1)

                  to close

monitors

  grid(x,y,z)

  contour(u) on z=0.5

plots

  grid(x,y) on z=0.005

  grid(x,y) on z=0.5

  contour(u) on z=0.5

  contour(u) on z=0.5 zoom(0.6,-1, 0.2,0.2)

  contour(u) on z=0.5 zoom(-0.3,-0.3, 0.1,0.1)

end