Crack growth in viscoelastic media with large strains: further results and validation of nonlinear theory for rubber

This paper is a continuation of recent publications on crack growth in viscoelastic media. It provides further theoretical results that enable prediction of crack opening displacement for comparison with experimental data in the region of the singularity . Additionally, the analysis shows that local material rotation in the singularity, where strains are very large, has no significant effect on the predicted stresses and deformation in the singularity. This is true despite the theory’s frame- dependence.