inextensional deformation

inextensional deformation

[in‚ek′sten·chən·əl ‚def·ər′mā·shən]
(mechanics)
A bending of a surface that leaves unchanged the length of any line drawn on the surface and the curvature of the surface at each point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.