This paper investigates the influence of cord shape in cord‐rubber composites using a three‐dimensional micromechanical model. The micromechanical model integrates a solid rubber finite element with a twisted cord finite element that takes into account various coupling effects. The developed micromechanical model is used to investigate the effect of cord shape on deformations and interface stresses. Numerical results of deformations and stress distributions are presented to illustrate the influence of cord shape, cord properties, loading, and rubber thickness.

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