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   Articles with "zone model" as a keyword



Determination of crack opening displacement and critical load parameter within a cohesive zone model

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recommendations! Published in 2019 at "Continuum Mechanics and Thermodynamics"

DOI: 10.1007/s00161-018-0712-0

Abstract: A semi-analytical approach for investigation of the stress and strain state of a cracked body is presented. A cohesive zone model is used to take into account the failure zones which are formed in front… read more here.

Keywords: cohesive zone; determination crack; zone model; crack ... See more keywords

A cohesive zone model for self-similar fractal crack propagation

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recommendations! Published in 2017 at "Journal of Mechanical Science and Technology"

DOI: 10.1007/s12206-017-0923-5

Abstract: Cracks in the nature have been proven to be fractal by many experiments. Despite the fractal fracture mechanics has been developed by many researchers, fractal geometry still has few applications in analysis of engineering structures.… read more here.

Keywords: propagation; cohesive zone; crack propagation; fractal crack ... See more keywords

A modified model for calculating crack tip opening displacement (CTOD) considering fracture process zone (FPZ) in rock

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recommendations! Published in 2024 at "Geomechanics and Geophysics for Geo-Energy and Geo-Resources"

DOI: 10.1007/s40948-024-00779-5

Abstract: A new CTOD calculation method is investigated in this study, considering the FPZ and the effective Young’s modulus. The calculated CTOD values from four theoretical models are compared with the measured CTOD values from the… read more here.

Keywords: plastic zone; fpz; model; ctod ... See more keywords

Parameters prediction of cohesive zone model for simulating composite/adhesive delamination in hygrothermal environments

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recommendations! Published in 2019 at "Composites Part B: Engineering"

DOI: 10.1016/j.compositesb.2019.03.002

Abstract: Abstract In this paper, moisture parameters of adhesive SY-14M-III and composite T800/AC531 were firstly measured, which were used for the following moisture diffusion investigations. Then, double cantilever beam (DCB) tests and end notched flexure (ENF)… read more here.

Keywords: cohesive zone; zone model; composite adhesive; model simulating ... See more keywords
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Numerical investigation of the impact fracture performance of a composite laminated windshield considering the Park-Paulinho-Roesler cohesive zone model

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recommendations! Published in 2020 at "Composite Structures"

DOI: 10.1016/j.compstruct.2020.112568

Abstract: Abstract The fracturing performance of the windshield glazing, as a simple sandwiched composite structure manufactured by bonding glass layers with polyvinyl butyral (PVB) interlayers, is indispensable to investigate the vehicle–pedestrian accidents. This paper presents an… read more here.

Keywords: fracture; cohesive zone; impact; model ... See more keywords

A string-based cohesive zone model for interlaminar delamination

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recommendations! Published in 2017 at "Engineering Fracture Mechanics"

DOI: 10.1016/j.engfracmech.2017.05.010

Abstract: Abstract The objective of this paper is to develop a string-based cohesive zone model (CZM) for interlaminar delamination, whose associated cohesive elements behave reliably and consistently when deformed along complex separation paths and can display… read more here.

Keywords: interlaminar delamination; cohesive zone; model; string based ... See more keywords

Extremum Seeking Control Based Zone Adaptation for Zone Model Predictive Control in Type 1 Diabetes

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recommendations! Published in 2017 at "IFAC-PapersOnLine"

DOI: 10.1016/j.ifacol.2017.08.2523

Abstract: Abstract Clinical trials have demonstrated that zone model predictive control is an effective closed-loop blood glucose regulation method for people with type 1 diabetes (T1D). This paper presents a universal model-free optimization method to seek… read more here.

Keywords: model predictive; zone; control; extremum seeking ... See more keywords
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A three-pronged approach to predict the effect of plastic orthotropy on the formability of thin sheets subjected to dynamic biaxial stretching

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recommendations! Published in 2021 at "Journal of The Mechanics and Physics of Solids"

DOI: 10.1016/j.jmps.2020.104189

Abstract: Abstract In this paper, we have investigated the effect of material orthotropy on the formability of metallic sheets subjected to dynamic biaxial stretching. For that purpose, we have devised an original three-pronged methodology which includes… read more here.

Keywords: finite element; two zone; orthotropy formability; model ... See more keywords

Numerical simulation of hydraulic fracture propagation in naturally fractured formations using the cohesive zone model

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recommendations! Published in 2018 at "Journal of Petroleum Science and Engineering"

DOI: 10.1016/j.petrol.2018.01.063

Abstract: Abstract This paper presents an integrated methodology that utilizes the cohesive zone model (CZM) to simulate propagation of hydraulic fractures, and their interactions with pre-existing natural fractures. CZM has the advantage of capturing the non-elastic… read more here.

Keywords: methodology; fracture; cohesive zone; hydraulic fracture ... See more keywords

Enhanced cohesive zone model to predict delamination behavior of carbon/epoxy laminated curved beams

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recommendations! Published in 2020 at "Mechanics of Advanced Materials and Structures"

DOI: 10.1080/15376494.2020.1769232

Abstract: This paper proposes an enhanced Cohesive Zone Model (CZM) for the prediction of delamination in curved beams of epoxy carbon laminates. This model improves the conventional CZM, taking into account... read more here.

Keywords: enhanced cohesive; curved beams; zone model; cohesive zone ... See more keywords

Phase-field regularized cohesive zone model using penalized numerical approach for quasi-brittle fracture

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recommendations! Published in 2025 at "Mathematics and Mechanics of Solids"

DOI: 10.1177/10812865251358239

Abstract: The present paper aims to develop an efficient fracture model allowing the prediction of the quasi-brittle material phase field damage coupled to cohesion. The adopted method is based on finite element simulations using COMSOL Multiphysics… read more here.

Keywords: field; phase field; cohesive zone; zone model ... See more keywords