Phase field modeling of brittle fracture for enhanced assumed strain shells at large deformations: formulation and finite element implementation
Sign Up to like & getrecommendations! Published in 2017 at "Computational Mechanics"
DOI: 10.1007/s00466-017-1386-3
Abstract: Fracture of technological thin-walled components can notably limit the performance of their corresponding engineering systems. With the aim of achieving reliable fracture predictions of thin structures, this work presents a new phase field model of… read more here.
Keywords: fracture; phase field; brittle fracture; formulation ... See more keywords
Influence of elastic wave on crack nucleation – Experimental and computational investigation of brittle fracture
Sign Up to like & getrecommendations! Published in 2017 at "Applied Acoustics"
DOI: 10.1016/j.apacoust.2017.04.019
Abstract: Abstract Understanding the phenomenon of fracture is very important for many industrial applications. Numerical tools are needed to describe the crack pattern and the energies evolution in any specimen. Then, for example, the acoustic properties… read more here.
Keywords: crack nucleation; fracture; phase field; brittle fracture ... See more keywords
N-sided polygonal smoothed finite element method (nSFEM) with non-matching meshes and their applications for brittle fracture problems
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2019.112672
Abstract: Abstract In this work, an n-sided polygonal smoothed finite element method (nSFEM) based on gradient smoothing technique is presented for phase field fracture modelling. The phase field approach approximates the crack topology in a diffuse… read more here.
Keywords: fracture problems; brittle fracture; non matching; matching meshes ... See more keywords
Adaptive higher-order phase-field modeling of anisotropic brittle fracture in 3D polycrystalline materials
Sign Up to like & getrecommendations! Published in 2020 at "Computer Methods in Applied Mechanics and Engineering"
DOI: 10.1016/j.cma.2020.113434
Abstract: Abstract Due to its ability to simulate complex microstructure evolution, the phase-field modeling has been extensively developed to investigate brittle fracture in recent years. However, low computational efficiency still imposes substantial difficulties in the development… read more here.
Keywords: field modeling; order; phase field; brittle fracture ... See more keywords
Brittle fracture of the fifty-year-old pipeline support bearing
Sign Up to like & getrecommendations! Published in 2020 at "Engineering Failure Analysis"
DOI: 10.1016/j.engfailanal.2020.104770
Abstract: Abstract The article discusses a case of a fractured support bearing plate of a pipeline in a pumped-storage power station; the failure made it necessary to shut the power station down temporarily. Brittle fracture of… read more here.
Keywords: fracture fifty; fracture; pipeline; brittle fracture ... See more keywords
Eigenerosion for static and dynamic brittle fracture
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.05.025
Abstract: Abstract In contrast to many numerical methods, the eigenerosion approach yields a convenient description of fracture handled in the postprocessing part of a Finite Element Analysis (FEA). Its fully energetic formulation avoids the introduction of… read more here.
Keywords: fracture; brittle fracture; formulation; static dynamic ... See more keywords
A nonlocal continuum damage model for brittle fracture
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2017.10.019
Abstract: Abstract The objective of this paper is to develop a nonlocal continuum damage model for brittle fracture. A nonlocal damage conjugate force tensor is obtained from the “local” one, using an integral-type regularization technique, and… read more here.
Keywords: damage model; brittle fracture; nonlocal continuum; model ... See more keywords
On the effective critical distances in three-dimensional brittle fracture via a strain-based framework
Sign Up to like & getrecommendations! Published in 2021 at "Engineering Fracture Mechanics"
DOI: 10.1016/j.engfracmech.2021.107740
Abstract: Abstract During the past couple of decades, modern fracture criteria have been developed based on a crack-tip material length scale so-called the critical distance, where the critical energy/stress/strain parameter required for the crack propagation is… read more here.
Keywords: strain based; fracture; brittle fracture; via strain ... See more keywords
2D and 3D Abaqus implementation of a robust staggered phase-field solution for modeling brittle fracture
Sign Up to like & getrecommendations! Published in 2017 at "Finite Elements in Analysis and Design"
DOI: 10.1016/j.finel.2017.03.002
Abstract: In order to model brittle fracture, we have implemented a two and three dimensional phase-field method in the commercial finite element code Abaqus/Standard. The method is based on the rate-independent variational principle of diffuse fracture.… read more here.
Keywords: fracture; brittle fracture; phase field; method ... See more keywords
Brittle fracture failure assessment of API 12D tanks with a semicircular-topped rectangular cleanout and stepped shell design
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Pressure Vessels and Piping"
DOI: 10.1016/j.ijpvp.2019.05.011
Abstract: Abstract The upstream segment of the oil and gas industry require temporary storage of product upon extraction, which, in turn, require adequately sized storage tanks that can withstand the operational conditions of the storage process.… read more here.
Keywords: rectangular cleanout; cleanout; brittle fracture; pressure ... See more keywords
Suppressing scratch-induced brittle fracture in silicon by geometric design modification of the abrasive grits
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Research and Technology"
DOI: 10.1016/j.jmrt.2018.05.016
Abstract: Abstract The overarching goal of this research was to investigate the application of spherically shaped abrasive particles in achieving ductile-mode cutting. Scratching experiments were carried out to assess the differences between arbitrarily and spherically shaped… read more here.
Keywords: fracture; scratch induced; brittle fracture; silicon ... See more keywords