H
Haim Waisman
Researcher at Columbia University
Publications - 120
Citations - 2995
Haim Waisman is an academic researcher from Columbia University. The author has contributed to research in topics: Finite element method & Extended finite element method. The author has an hindex of 26, co-authored 110 publications receiving 2177 citations. Previous affiliations of Haim Waisman include Rensselaer Polytechnic Institute & Northwestern University.
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From diffuse damage to sharp cohesive cracks: A coupled XFEM framework for failure analysis of quasi-brittle materials
Yongxiang Wang,Haim Waisman +1 more
TL;DR: In this article, a coupled continuous/discontinuous approach is proposed to model the two failure phases of quasi-brittle materials in a coherent way, which involves an integral-type nonlocal continuum damage model coupled with an extrinsic discrete interface model.
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Uncertainty quantification in homogenization of heterogeneous microstructures modeled by XFEM
TL;DR: In this article, an extended finite element method (XFEM) coupled with a Monte Carlo approach is proposed to quantify the uncertainty in the homogenized effective elastic properties of multiphase materials.
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Progressive delamination analysis of composite materials using XFEM and a discrete damage zone model
Yongxiang Wang,Haim Waisman +1 more
TL;DR: In this paper, a discrete damage zone model based on the concept of Continuum Damage Mechanics is proposed for progressive delamination by means of an extended finite element (EFE) method.
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Detection and quantification of flaws in structures by the extended finite element method and genetic algorithms
TL;DR: In this article, the extended finite element method (XFEM)-GA detection algorithm is applied to elastostatic problems where flaws are considered as straight cracks, circular holes and non-regular-shaped holes.
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A unified model for metal failure capturing shear banding and fracture
Colin McAuliffe,Haim Waisman +1 more
TL;DR: In this article, a thermodynamically consistent model which accounts for both shear banding and dynamic fracture and can thus capture both failure bodes at intermediate strain rates, is presented, which consists of an elastic-viscoplastic material with strain hardening, strain rate hardening and thermal softening.