COMSOL 6.4 - TangentConstraint

Table 3-82: Available properties.
Property	Value	Default	Description
edge1	Selection		First edge
point1	vertex \| anywhere	anywhere	Point of tangency for first edge
vertex1	Selection		Vertex for point of tangency (used when point1 is vertex)
edge2	Selection		Second edge
point2	vertex \| anywhere	anywhere	Point of tangency for second edge
vertex2	Selection		Vertex for point of tangency (used when point2 is vertex)
helppoint1	double[2]	{0, 0}	First help point (used when point1 is anywhere)
helppoint2	double[2]	{0, 0}	Second help point (used when point1 is anywhere)
symbolentity	1 \| 2	1	Edge the symbol in the Graphics window is attached to
symboledgpar	double	0	Normalized edge parameter for positioning the symbol
symboledgdispl	double	20	Symbol displacement in left normal direction from edge (in pixels)