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Tao Li, Yuesong Tang, Lianghui Li, Haoyu Hu, Zheng Li, Jiqing He and Bochao An
Taking the 14,030 panel of Zhaogu No. 2 coal mine as its research object, this paper studies the evolution characteristics of the developing height, propagation track and caving arch shape of water-flowing fractures under the influence of thick alluvium ...
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Mohamed Elkarmoty, Francesco Tinti, Sara Kasmaeeyazdi, Fabio Giannino, Stefano Bonduà and Roberto Bruno
Rock mass fractures adversely affect the cutting of commercial-size blocks and cause rock material loss in ornamental stone quarries. In order to obtain a reliable evaluation and an optimized production of ornamental stone deposits, it is fundamental to ...
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Yongbin Zhang, Bin Gong, Junchao Li and Hangyu Li
In this study, a 3D multicomponent multiphase simulator with a new fracture characterization technique is developed to simulate the enhanced recovery of coalbed methane. In this new model, the diffusion source from the matrix is calculated using the trad...
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Rr. M.I. Retno Susilorini
Pág. pp. 89 - 99
This paper reports the development of a computer model that represents a pull-out process of nylon 600 embedded in cementitious matrix. The model is based on fracture approach considering the Poisson?s effect and stable crack length. To back up the mod...
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Bin Wang and Corrado Fidelibus
In this article, an open-source code for the simulation of fluid flow, including adsorption, transport, and indirect hydromechanical coupling in unconventional fractured reservoirs is described. The code leverages cutting-edge numerical modeling capabili...
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Kun Zhang, Pengbo Chang, Jianxi Ren, Zheng Liu and Ke Wang
The fractured rock mass in the western cold region is affected by freezing and thawing disasters and is prone to local damage and fracture along the fissures? ends. The fatigue damage induced by repeated frost heave and traffic loads seriously endangers ...
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Peitao Wang, Cao Liu, Zhenwu Qi, Zhichao Liu and Meifeng Cai
The geometry of the joint determines the mechanical properties of the rock mass and is one of the key factors affecting the failure mode of surrounding rock masses. In this paper, a new rough discrete fractures network (RDFN) characterization method base...
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Pengfei Ma, Yongjie Li, Jiceng Han, Cheng He and Wenkai Xiao
In this study, a finite element, fully three-dimensional solid modeling method was used to study the mechanical response of a steel-cored aluminum strand (ACSR) with a mid-phase jumper under wind load. A whole model (simplifying an ACSR into a solid cyli...
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Rubén Graffe, Dorian Linero
Pág. Page 399 - 418
This work describes the formulation, implementation and application of a cohesive crack discrete model, which can simulate the fracture process in mode I of simple concrete beams with defined cracking pattern. In the fracture process, a relationship betw...
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Yunjung Jang, Hakgeun Kim and Kiweon Kang
Composite wind turbine blades may experience interlaminar damage, including adhesive failure, cracking, and interlaminar fracture failure, from manufacturing or external fatigue load. Among these, the adhesive failure of adhesive joints is critical. Ther...
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Linsen Zhan, Biao Liu, Yi Zhang and Hailong Lu
Gas hydrates (GH) are well known to have an influential effect on the velocity and attenuation of gas hydrate-bearing sediments (GHBS). Based on rock physics modeling, sediment velocity has been extensively used to characterize the distribution of gas hy...
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Hongbing Chen, Bin Xu, Jiang Wang, Xin Nie and Yi-Lung Mo
The extended finite element method (XFEM) is efficient in simulating crack initiation and its evolution process for reinforced-concrete (RC) structures due to its ability to solve fracture problems. Moreover, the multiscale numerical simulation helps und...
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Yan Zhang, Bingfei Chu, Tianming Huang, Shengwen Qi, Michael Manga, Huai Zhang, Bowen Zheng and Yuxin Zhou
Carbon geological storage (CGS) is an important global practice implemented to mitigate the effects of CO2 emissions on temperature, climate, sea level, and biodiversity. The monitoring of CGS leakage and the impact of storage on hydrogeological properti...
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Jadran Carija, Eduard Marenic, Tomislav Jarak and Mijo Nikolic
This research presents a novel approach to modeling fracture propagation using a discrete lattice element model with embedded strong discontinuities. The focus is on enhancing the linear elastic response within the model followed by propagation of fractu...
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Deyue Li, Shanyu Han, Mingqian Wang, Fuming Chen, Yubing Leng and Ge Wang
The cyclic loading performance of bamboo double-jointed components of different column base connection types was investigated through reversed cyclic loading tests and finite element analysis. Test results indicated that the types of column base connecti...
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Konstantinos Tserpes, Kosmas Papadopoulos, Selen Unaldi and Laurent Berthe
An explicit 3D Finite Element (FE) model was developed in the LS-Dyna code to simulate the laser shock paint stripping on aircraft aluminum substrates. The main objective of the model is to explain the physical mechanisms of the laser shock stripping pro...
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Burak Can Cerik, Kangsu Lee and Joonmo Choung
This study compared the experimental test results on punch-loaded unstiffened and stiffened panels with numerical predictions using different localized necking modeling approaches with shell elements. The analytical models that were derived by Bressan?Wi...
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Alexander Butorin,Fedor Krasnov
Pág. 7 - 16
The study considers the actual issue of improving the accuracy of mapping in fracturing using microseismic monitoring. The given question is first of all in connection with increasing volume of hydraulic fracturing at the development of modern hydrocarbo...
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Nabil Benamara, Abdelkader Boulenouar, Miloud Aminallah
Pág. 60 - 67
The objective of this work is to present a numerical modeling of crack propagation path in functionally graded materials (FGMs) under mixed-mode loadings. The minimum strain energy density criterion (MSED) and the displacement extrapolation technique (DE...
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Mohammed Lahlou, Nadia Mouhib, Hanaa Ouaomar, Abdelilah Hachim, Mohamed Elghorba
Pág. 233 - 237
In metallic structures, cracks are mostly initiated at geometric discontinuities of notches or defects. The geometric parameters and discontinuities govern cracks initiation or propagation and therefore affect the resistance of structures during their us...
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