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MinimumGap3D

Syntax

Text Only
1
2
3
4
5
constraint MinimumGap3D (1) (2) (3) (4)
# (1) int, unique constraint tag
# (2) int, node tag
# (3) int, node tag
# (4) double, gap

Theory

This is a conditional constraint that limits the distance between two nodes, viz.,

\[ \left|\mathbf{x}_i+\mathbf{u}_i\-\mathbf{x}_j-\mathbf{u}_j\right|\geq{}D_{min}. \]

The participating DoFs are 1, 2, and 3.