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Fracture Mechanics

The Analysis of the Dissimilar Metal Weld Joint for Fracture Mechanics Evaluations

The Analysis of the Dissimilar Metal Weld Joint for Fracture Mechanics Evaluations

... stresses, fracture mechanics evaluations of sub-critical cracks can be efficiently and economically implemented by using the FEAM combined with the ...

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Understanding cracked materials: is Linear Elastic Fracture Mechanics obsolete?

Understanding cracked materials: is Linear Elastic Fracture Mechanics obsolete?

... Elastic Fracture Mechanics has enabled the research community to solve a wide variety of problems of practical and scientific interest; however, it has historically suffered from two main ...

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Sensitivity analysis on input parameters of probabilistic fracture mechanics code, pro-loca

Sensitivity analysis on input parameters of probabilistic fracture mechanics code, pro-loca

... The PARTRIDGE (Probabilistic Analysis as a Regulatory Tool for Risk-Informed Decision GuidancE) program is an international cooperative research project led by the Battelle. The objectives of this program are the further ...

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The   Energetic Approach of Elastoplastic Fracture Mechanics Applied to the Problem   of Unloading

The Energetic Approach of Elastoplastic Fracture Mechanics Applied to the Problem of Unloading

... in fracture mechanics to predict whether a crack propagates or not in an elastic medium relies on Griffith’s criterion, see ...elastic fracture theory [3], where these two phenomena can be ...

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Quasi-non-linear fracture mechanics analysis of the double cantilever beam specimen

Quasi-non-linear fracture mechanics analysis of the double cantilever beam specimen

... quasi-non-linear fracture mechanics model based on beam on elastic foundation theory is applied for analysis of the double cantilever beam (DCB) specimen for determination of fracture energy of ...

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Numerical investigation on different approaches of two-parameter fracture mechanics

Numerical investigation on different approaches of two-parameter fracture mechanics

... conditions but the slope of the J-R curve (tearing modulus) is highly dependent. When the region ahead of crack tip enters in the regime of Large Scale Yielding (LSY), crack tip condition cannot be characterized by ...

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Fracture mechanics-based life prediction of a riveted lap joint

Fracture mechanics-based life prediction of a riveted lap joint

... In this paper, 3D simulation of the fatigue crack growth process was performed in a simple riveted lap joint and the crack growth profiles were predicted. Then, the fracture mechanics- based life prediction ...

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A Review of Analysis of Concrete Beam by Fracture Mechanics Approach

A Review of Analysis of Concrete Beam by Fracture Mechanics Approach

... Concrete is a heterogeneous anisotropic non-linear inelastic composite material, full of flaws that may initiate crack growth when it is subjected to stress. Concrete is strong in compression but weak in tension. That ...

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UK Research  Programme on Fracture Mechanics – Review of Progress

UK Research Programme on Fracture Mechanics – Review of Progress

... Rolls-Royce and Serco Assurance are working in partnership to develop underlying research programmes that focus on environmentally assisted cracking (EAC), residual stresses and fracture mechanics. A more ...

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Recent   Research Activity of Probabilistic Fracture Mechanics for Nuclear Structural   Components in Japan

Recent Research Activity of Probabilistic Fracture Mechanics for Nuclear Structural Components in Japan

... Probabilistic Fracture Mechanics (PFM) has become an important tool [1, 2]. The PFM approach is regarded as an appropriate method in rationally evaluating plant life and in risk-based decision making such ...

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Fatigue & Fracture Mechanics Analysis of Components Containing Residual Stress Fields

Fatigue & Fracture Mechanics Analysis of Components Containing Residual Stress Fields

... Elastic Fracture Mechanics (LEFM) principles are used to define the stress distribution and magnitude near to a crack tip in terms of parameters such as load, crack geometry, and material ...of ...

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Crack resistance curves for thin walled tubes: a fracture mechanics approach

Crack resistance curves for thin walled tubes: a fracture mechanics approach

... about fracture mechanics parameters such as shape function [f(a/W)] for finding stress intensity factor (SIF) and other functions such as η and γ for calculation of elastic-plastic fracture ...

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Corrosion fatigue and fracture mechanics of high strength jack up steels

Corrosion fatigue and fracture mechanics of high strength jack up steels

... SIF’s, fracture mechanics of tubular joints is not a well researched area and should be treated with ...of fracture mechanics models used to predict the crack growth behaviour will be treated ...

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A Comprehensive Study of Crack Growth in Asphalt Concrete Using Fracture Mechanics

A Comprehensive Study of Crack Growth in Asphalt Concrete Using Fracture Mechanics

... The mechanical responses of viscoelastic materials such as asphalt concrete depend both on time and temperature. In addition, it is well known that asphalt concrete is thermor- heologically simple in its linear ...

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A fracture mechanics based approach to ultrasonic testing of fretting fatigue cracks

A fracture mechanics based approach to ultrasonic testing of fretting fatigue cracks

... However for a qualitative estimation, according to Taylor’s (1986) criterion, the crack length should be longer than 10 times the plastic zone in fatigue, expressed by Equation 2.5. For the problem at hand, the fatigue ...

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X-FEM simulation of 2-D fracture mechanics problem

X-FEM simulation of 2-D fracture mechanics problem

... In the present study, XFEM has been used to simulate the 2-D fracture mechanics problems under mechanical load. The inclination of crack with the edge, interaction of cracks lying on the opposite edges, ...

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A novel modification of decouple scaled boundary finite element method in fracture mechanics problems

A novel modification of decouple scaled boundary finite element method in fracture mechanics problems

... To model the cracked domains in the present method, the geometry of cracks is modeled in very small void spaces, at the first step. According to fracture mechanics relationships, it is necessary to rewrite ...

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Simple   Numerical Technique Using Boundary Element Method for the Determination   of KI in Fracture Mechanics

Simple Numerical Technique Using Boundary Element Method for the Determination of KI in Fracture Mechanics

... Elastic Fracture Mechanics (LEFM) for the analysis of structural integrity of nuclear components has increased ...Plastic Fracture Mechanics (EPFM) ...(Ductile Fracture Method) with ...

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Fracture Mechanics of Fiber Reinforced Concrete: An Overview

Fracture Mechanics of Fiber Reinforced Concrete: An Overview

... the fracture behaviour of the structure depend on the applied stress level, the initial size of the flaw, material properties and the mechanisms by which the cracks propagate leading to ...adopt Fracture ...

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Overview of Fracture Mechanics Research Studies in the UK

Overview of Fracture Mechanics Research Studies in the UK

... improving fracture mechanics based methods for assessing the structural integrity of metallic engineering structures and ...The fracture mechanics part of this research programme is strongly ...

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