This is a practical paper which consists of investigating fracture behavior in asphalt concrete using an intrinsic cohesive zone model CZM . The separation and traction response along the cohesiveâ€¦ (More)

The computational bottleneck of topology optimization is the solution of a large number of linear systems 11 arising in the finite element analysis. We propose fast iterative solvers for largeâ€¦ (More)

This paper is directed towards :nite element computation of fracture parameters in functionally graded material (FGM) assemblages of arbitrary geometry with stationary cracks. Graded :nite elementsâ€¦ (More)

Large-scale simulation of separation phenomena in solids such as fracture, branching, and fragmentation requires a scalable data structure representation of the evolving model. Modeling of suchâ€¦ (More)

Domains containing an `internal boundary', such as a bi-material interface, arise in many applications, e.g. composite materials and geophysical simulations. This paper presents a symmetric Galerkinâ€¦ (More)

This paper presents a â€˜â€˜simpleâ€™â€™ boundary element method for transient heat conduction in functionally graded materials, which leads to a boundary-only formulation without any domain discretization.â€¦ (More)

The present work investigates the feasibility of finite element methods and topology optimization for unstructured meshes in massively parallel computer architectures, more specifically on Graphicsâ€¦ (More)

a r t i c l e i n f o Keywords: Concrete (E) Fiber reinforced concrete (FRC) (E) Constitutive relationship (C) Cohesive fracture (C) Fracture energy (C) A simple, effective, and practicalâ€¦ (More)

The concept of functionally graded materials (FGMs) is closely related to the concept of topology optimization, which consists in a design method that seeks a continuum optimum material distributionâ€¦ (More)

This presentation describes a topology optimization framework to design the material distribution of functionally graded structures with a tailored Von Mises stress field. The problem of interestâ€¦ (More)