Line Mass Source
The Line Mass Source node adds mass flow originating from a tube of infinitely small radius.
Selection
The Line Mass Source feature is available for all dimensions, but the applicable selection differs between the dimensions.
Model Dimension
Applicable Geometrical Entity
2D
Points
2D Axisymmetry
Points not on the symmetry axis
3D
Edges
Line Mass Source
Enter a value or expression for the source strength, N0 (SI unit: kg/(m·s)). A positive value results in mass injection from the line into the computational domain, and a negative value means that the mass is removed from the computational domain.
Line sources located on a boundary affect the adjacent computational domains. This effect makes the physical strength of a line source located in a symmetry plane twice the given strength.
Fracture Flow
The equivalent feature available for fracture flow is the Mass Source attribute of the Fracture boundary condition and the Mass Source point feature of the Fracture Flow Interface, both available in 3D only.