Divergence

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Divergence

1. The expansion or spreading out of a vector field; also a precise measure thereof. In mathematical discussion divergence is considered to include convergence, i.e., negative divergence.

2. A static instability of a lifting surface or of a body on a vehicle wherein the aerodynamic loads tending to deform the surface or body are greater than the elastic restoring forces.

References

This article is based on NASA's Dictionary of Technical Terms for Aerospace Use