To disconnect elements in the Main Menu select Model -> Operation -> Disconnect.
Arguments:
The dialogue box to disconnect a quadrangle is:
Disconnect a Quadrangle
Example:
Disconnect a Quadrangle
Arguments:
The dialogue box to disconnect edges is:
Disconnect Edges
Arguments:
The dialogue box to disconnect an edge is:
Disconnect an Edge
Arguments:
The dialogue box to disconnect a vertex is:
Disconnect a Vertex
TUI command: Disconnect elements