One of the fundamental aspects in cohesive zone modeling is the definition of the traction-
separation relationship across fracture surfaces, which approximates the nonlinear fracture …

In contrast to synthetic materials, evolutionary developments in biology have resulted in
materials with remarkable structural properties, made out of relatively weak constituents …

Mother-of-pearl, also known as nacre, is the iridescent material which forms the inner layer
of seashells from gastropods and bivalves. It is mostly made of microscopic ceramic tablets …

The Bouligand structure in some arthropods is a hierarchical composite comprised of a
helicoidal arrangement of strong fibers in a weak matrix. In this study, we focus on the …

Methodology for analysis of meso-structure effects on longer-scale mechanical response of
concrete is developed. Efficient algorithms for particle generation and packing are proposed …

A new multi-phase-field method is developed for modeling the fracture of polycrystals at the
microstructural level. Inter and transgranular cracking, as well as anisotropic effects of both …

A bilinear cohesive zone model (CZM) is employed in conjunction with a viscoelastic bulk
(background) material to investigate fracture behavior of asphalt concrete. An attractive …

This research presents a new heterogeneity index to describe micro-geometric
heterogeneity induced by grain size variation in intact rock. Micro-geometric heterogeneity is …

A phase field theory for modeling deformation and fracture of single crystals, polycrystals,
and grain boundaries is developed. Anisotropies of elastic coefficients and fracture surface …

A new material model for the dynamic fracture analysis of anisotropic materials has been
proposed within the framework of the bond-based peridynamic theory. This model enables …