Re: [EnergyPlus_Support] Severe error: degenerate surfaces

[Linda Lawrie <linda@xxxxxxxxxxxxxx>]

   ** Warning ** GetVertices: Distance between two
vertices < .01, possibly coincident. for Surface=OS:SURFACE 567, in
Zone=42-R2 THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL
ZONE THERMAL ZONE
   **   ~~~   ** Vertex
[4]=(-28.91,27.75,7.42)
   **   ~~~   ** Vertex
[1]=(-28.91,27.75,7.42)
   **   ~~~   ** Dropping Vertex [4].
   ** Warning ** GetVertices: Distance between two vertices
< .01, possibly coincident. for Surface=OS:SURFACE 567, in Zone=42-R2
THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL
ZONE
   **   ~~~   ** Vertex
[3]=(-28.91,27.75,4.58)
   **   ~~~   ** Vertex
[2]=(-28.91,27.75,4.58)
   **   ~~~   ** Cannot Drop Vertex [3];
Number of Surface Sides at minimum.
   ** Warning ** GetVertices: Distance between two vertices
< .01, possibly coincident. for Surface=OS:SURFACE 660, in Zone=P1-P
THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL
ZONE
   **   ~~~   ** Vertex
[4]=(-28.91,27.75,4.58)
   **   ~~~   ** Vertex
[1]=(-28.91,27.75,4.58)
   **   ~~~   ** Dropping Vertex [4].
   ** Warning ** GetVertices: Distance between two vertices
< .01, possibly coincident. for Surface=OS:SURFACE 660, in Zone=P1-P
THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL ZONE THERMAL
ZONE
   **   ~~~   ** Vertex
[3]=(-28.91,28.83,4.58)
   **   ~~~   ** Vertex
[2]=(-28.91,28.83,4.58)
   **   ~~~   ** Cannot Drop Vertex [3];
Number of Surface Sides at minimum.

That's a degenerate surface -- it would like to remove vertex 3 but we
can't have surfaces with only 2 sides.

OS:SURFACE 660 is this surface.  There are several others.

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