freefoam-surfaceSplitNonManifolds(1)

NAME

freefoam-surfaceSplitNonManifolds - Takes multiply connected surface and tries to split surface at multiply connected edges by duplicating points.

SYNOPSIS

freefoam surfaceSplitNonManifolds <Foam surface file> <surface output file> [-case <dir>] [-srcDoc] [-debug] [-doc] [-help]

DESCRIPTION

Introduces concept of - borderEdge. Edge with 4 faces connected to it. - borderPoint. Point connected to exactly 2 borderEdges. - borderLine. Connected list of borderEdges.

By duplicating borderPoints this will split borderLines. As a preprocessing step it can detect borderEdges without any borderPoints and explicitly split these triangles.

The problems in this algorithm are: - determining which two (of the four) faces form a surface. Done by walking face-edge-face while keeping and edge or point on the borderEdge borderPoint. - determining the outwards pointing normal to be used to slightly offset the duplicated point.

Uses sortedEdgeFaces quite a bit.

Is tested on simple borderLines resulting from extracting a surface from a hex mesh. Will quite possibly go wrong on more complicated border lines (i.e. ones forming a loop).

Dumps surface every so often since might take a long time to complete.

OPTIONS

<Foam surface file>

<surface output file>

-debug

Generate debugging output.

-case <dir>

Case directory.

-help

Display help message.

-doc

Display Doxygen API documentation page for this application.

-srcDoc

Display Doxygen source documentation page for this application.

SEE ALSO

An overview of FreeFOAM is given in freefoam(1).

AUTHOR

OpenCFD Ltd.

FREEFOAM

Part of the freefoam(1) suite.

COPYRIGHT