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Comparison of J Integral Assessments for Cracked Plates and Pipes. [PDF]
Materials (Basel), 2021 The purpose of this article is to compare two predictive methods of J integral assessments for center-cracked plates, single-edge cracked plates and double-edge cracked plates produced from X52 and X70 steels, and a longitudinally cracked pipe produced from X70 steel.
Gajdoš Ľ +3 more
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Generalized J-integral – mathematical foundation
Boundary Value ProblemsThis article describes the mathematics for building the foundations of the theory of the Generalized J-integral (GJ-integral) in various variational problems defined on D that gives the shape derivative on singular points such as boundaries, cracks ...
Kohji Ohtsuka
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Comparative Study on J-Integrals of SM45C, Short Fiber GFRP and Woven Type CFRP Shown at Crack through Analytical Method [PDF]
한국정밀공학회지, 2019 Transportation machine manufacturers are putting in efforts on research based on weight reduction. One of the representative materials for weight reduction is Fiber Reinforced Plastic (FRP).
Jae Woong Park, Sung Ki Lyu, Jae Ung Cho
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Evaluation of Critical Crack Length of Tension Bar for Continuous Ship Uploader [PDF]
한국정밀공학회지, 2018 The CSU (continuous ship uploader) is one of the most advanced and high-tech machines among the logistics facilities. It is giant heavy equipment and has a number of driving systems compared to a general crane.
Keontae Park +3 more
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Mechanical Engineering Journal, 2020 This paper describes the effect of local plastic component on J-integral and crack opening displacement (COD) evaluation of a circumferential penetrated crack, applicable to the leak before break (LBB) assessment for sodium cooled fast reactor (SFR ...
Hideo MACHIDA +2 more
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A new three-dimensional J-integral formulation for arbitrary load history and finite deformation
Nihon Kikai Gakkai ronbunshu, 2018 In this paper, a new formulation of three-dimensional J-integral for the evaluation of elastic-plastic fracture problem is presented. It is known that the J-integral represents the energy release rate per unit crack extension.
Koichiro ARAI +2 more
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Fracture and Structural Integrity, 2022 The third generation Al-Li alloy AA2050-T84 is widely used in aircraft applications due to its lightweight and significant mechanical properties. The anisotropic variations of tensile and compression properties of this alloy at various temperatures are ...
Nagaraj Ekabote +2 more
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Experimental and Numerical Analysis of Fracture in 41Cr4 Steel – Issues of the Stationary Cracks
International Journal of Applied Mechanics and Engineering, 2018 This paper analyzes the process of fracture in 41Cr4 steel on the basis of experimental and numerical data obtained for non-propagating cracks. The author’s previous and latest experimental results were used to determine the apparent crack initiation ...
M. Graba
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Singular patch method for linear elastic fracture mechanics analysis using isogeometric analysis
Mechanical Engineering Journal, 2022 The singular patch method for isogeometric analysis (IGA) to represent the singular stress behavior in the vicinity of a crack tip for two-dimensional linear elastic fracture mechanics analysis is presented.
Hiroshi OKADA +6 more
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An extended J-integral for evaluating fluid-driven cracks in hydraulic fracturing
Journal of Rock Mechanics and Geotechnical Engineering, 2018 J-integral has served as a powerful tool in characterizing crack tip status. The main feature, i.e. path-independence, makes it one of the foremost fracture parameters.
Huifang Song, Sheik S. Rahman
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