The general analysis of fabric micromechanics developed by de Jong and Postle is applied to fabric uniaxial extension with continuous contact between crossing yarns. Like the traditional form of relaxation introduced by Olofsson and improved by de Jong and Postle, another form of relaxation, defined and introduced in this analysis, is due to residual variations of transverse dimensions of the yarn. The fabric structural parameters are varied, and the changes in fabric behavior under uniaxial extension are investigated.
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