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An analysis is presented for the change in shape, due to bending and stretching of a coplanar crimped fiter subjected to static loading. For a fiber of given original configuration and specific loading, one may obtain the deformed configuration from the solution of two nonlinear differential equations. The load deflection relations are calculated for a fiber with semicircular crimp and for three fibers with sine-wave crimps of different amplitude-wave length ratios. Reported also is an experimental verification of the results for two of the sine-wave crimps, using thin wire test specimens.

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