Abstract
This paper presents a damage model which is extended to simulate fracture behavior involving frictional contact on crack surfaces. The behavior of frictional contact is formulated in the local coordinate system along the crack surface, which is introduced into an isotropic damage model based on fracture mechanics for quasi-brittle materials. After showing the formulation of the damage model incorporated with the model of frictional contact, several basic examples are solved to verify the performance of the proposed model. The model is then applied to the analysis of a single shear test of masonry structure, and the results are compared to the test results.
