
1) Solid mechanic
Found on
https://www.crosswordclues.com/clue/contraflexure

In a bending beam, a point is known as a point of contraflexure if it is a location at which no bending occurs. In a bending moment diagram, it is the point at which the bending moment curve intersects with the zero line.In other words where the bending moment changes it sign from negative to positive or vice versa. Knowing the place of the contra...
Found on
http://en.wikipedia.org/wiki/Contraflexure
No exact match found.