Showing 61 - 80 results of 122 for search '"fracture mechanics"', query time: 0.08s Refine Results
  1. 61

    Quasi-Brittle Fracture Modeling of Preflawed Bitumen Using a Diffuse Interface Model by Yue Hou, Fengyan Sun, Wenjuan Sun, Meng Guo, Chao Xing, Jiangfeng Wu

    Published 2016-01-01
    “…Fundamental understandings on the bitumen fracture mechanism are vital to improve the mixture design of asphalt concrete. …”
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    Article
  2. 62

    Instability Model of a Coal Wall with Large Mining Height under Excavation Unloading Conditions by Lei Li, Feng zhang

    Published 2020-01-01
    “…On the basis of the stress field characteristics of surrounding rocks at a coal wall on a working face with a large mining height, the theories of unloading rock mass mechanics and fracture mechanics were used to establish a model of the excavation unloading field effect of the coal wall, and its instability mechanism under the action of unloading stress field was analyzed. …”
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    Article
  3. 63

    Artificial Interference of Stress Field in a Near-Fracture Zone by Water Injection in a Preexisting Crack by Yongxiang Zheng, Jianjun Liu, Bohu Zhang

    Published 2019-01-01
    “…In order to explore the method of artificial interference, this paper established the calculation method of the in situ stress around the cracks based on fracture mechanics at first and obtained the redistribution law of the in situ stress. …”
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    Article
  4. 64

    Study on the Low Temperature Cracking Mechanism of Steel Slag Asphalt Mixture by Macroscale and Microscale Tests by Lan Wang, Xuefeng Bai

    Published 2022-01-01
    “…The microscopic pore characteristics of SAM were studied by nuclear magnetic resonance (NMR). Based on fracture mechanics and weight function theory, the variation law of the stress intensity factor at the crack tip of the asphalt mixture with crack propagation is derived. …”
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    Article
  5. 65

    Pressure-Shear Crack Initiation and Expansion Mechanism of Complex Cracked Rock Mass under the Seepage Stress by Lu Shen

    Published 2023-01-01
    “…The crack initiation criterion under compressive shear stress state is analyzed by taking the theory of fracture mechanics and classical mechanics. The coupling equation in the extended finite element simulation is established. …”
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    Article
  6. 66

    Balance Fatigue Design of Cast Steel Nodes in Tubular Steel Structures by Libin Wang, Hui Jin, Haiwei Dong, Jing Li

    Published 2013-01-01
    “…This paper focuses on the balance fatigue design of these two parts in a cast steel node joint using fracture mechanics and FEM. The defects in castings are simulated by cracks conservatively. …”
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    Article
  7. 67

    Strength Model for Concrete in Near-Reinforcement Region by Vladimir I. Kolchunov, Natalia V. Fedorova, Tatiana A. Iliushchenko

    Published 2024-12-01
    “…The relevant problem of concrete strength in the near-reinforcement zone is solved as a problem of volumetric stress-strain state with the “closure” of output integral parameters of this zone on the framework of the whole reinforced concrete element, synthesizing hypotheses and dependencies of various disciplines of solid mechanics, including fracture mechanics. The model of reinforced concrete element takes into account Vl.I. …”
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    Article
  8. 68

    Energy-Based Analysis of Ultrasonically Assisted Turning by G.A. Volkov, V.A. Bratov, A.A. Gruzdkov, V.I. Babitsky, Y.V. Petrov, V.V. Silberschmidt

    Published 2011-01-01
    “…In this paper the effects observed in UAT are analysed employing ideas of dynamic fracture mechanics. The active stage of loading duration depends heavily on ultrasonic frequency and the cutting speed; he application of the fracture criterion based on the notion of incubation time makes it possible to calculate a dependence of this duration on its threshold amplitude. …”
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    Article
  9. 69

    Closed-form analysis of a thermally loaded single-layer system on a rigid foundation by Linn, Debora, Becker, Wilfried

    Published 2025-01-01
    “…In the second part, the development of transversal cracks is considered within the framework of Finite Fracture Mechanics, using a coupled stress and energy criterion. …”
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    Article
  10. 70

    Geomechanical Characteristics and Stimulation of Dibei Deep Tight Sandstone Reservoirs in the Kuqa Depression of Tarim Basin by Ke Xu, Haijun Yang, Hui Zhang, Zhimin Wang, Lu Fang, Guoqing Yin, Haiying Wang

    Published 2023-01-01
    “…The results show that the in situ stress and the effectiveness of fracture mechanics under its control have obvious control over the production capacity in the Dibei gas reservoir. …”
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    Article
  11. 71

    Application of the Finite Element Method Using Cohesive Elements to Model the Effect of Temperature, Rock Mechanical Properties, Fluid Injection Rate, and Fluid Properties on the D... by Son Tung Pham, Ba Ngoc Anh Nguyen

    Published 2022-01-01
    “…A multiphysics model was implemented using cohesive elements in a finite element model generated with equations in fracture mechanics. Once the model was calibrated with experimental data, it was used to conduct sensitivity studies to reveal the influence of main contributed factors such as the properties of rocks and fluids used in hydraulic fracturing, the injection rate of fracturing liquid, and especially the influence of temperature because this last aspect was omitted in literature review from previous studies. …”
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    Article
  12. 72

    Shear Stress Analysis and Crack Prevention Measures for a Concrete-Face Rockfill Dam, Advanced Construction of a First-Stage Face Slab, and a First-Stage Face Slab in Advanced Rese... by Kongzhong Hu, Jiankang Chen, Dong Wang

    Published 2018-01-01
    “…Based on the monitoring data for Buxi Power Station along with the first-stage fracture characteristics of Shuibuya concrete face, this paper applied a numerical analysis to conduct research on the causes of fracture mechanics. The results indicate that the cracks occurred on the face slab during the second segment of second-stage water storage primarily due to the advanced concrete pouring of the first-stage face slab; during the first stage of reservoir water storage, the internal stress of the first-stage face slab was not reduced or eliminated prior to second-stage face slab pouring. …”
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    Article
  13. 73

    Small Surface Fatigue Crack Behaviors of Cr-Mo Steel AISI4137 by Seung-Hoon Nahm, Sang-Koo Jeon, Dong-Kyun Kim, Min-Soo Suh, Chang-Min Suh

    Published 2024-12-01
    “…In this study, the characteristics of fatigue cracks using Cr-Mo steel for fastening bolts before and after UNSM (ultrasonic nanocrystal surface modification) treatment were studied using fracture mechanics and fracture analysis methods. Specifically, using untreated and UNSM-treated materials: (1) the characteristics of small surface fatigue cracks existing on the surface, and (2) the surface fatigue cracks in the depth direction were observed and analyzed. …”
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    Article
  14. 74

    The analysis of bearing capacity of main pipeline in presence of corrosion defects by К. А. Vansovich, I. P. Aistov, А. А. Nakhlestkin, D. S. Beseliya

    Published 2019-06-01
    “…The fracture simulation is performed using the finite element method in the framework of elastic fracture mechanics and implemented in the ANSYS Workbench program.…”
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    Article
  15. 75

    Numerical optimization by the PFEMCT-SIF method of the crack propagation of a linear elastic material by Mohammed Bentahar, Noureddine Mahmoudi, Youcef Moulai Arbi

    Published 2025-01-01
    “…The study highlights the importance of optimizing crack tip mesh refinement in fracture mechanics simulations.…”
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    Article
  16. 76

    Experimental Research on Fracture Characteristics of Reactive Powder Concrete in Different Volume Content of Steel Fiber by Wenzhen Wang, Haixiao Lin, Xiaogang Wu, Yuyao Zhao, Ziyu Hu, Pengshuai Wang, Menglong Zhou

    Published 2022-01-01
    “…Based on the experimental results and fracture mechanics theory, the mechanical property of reactive powder concrete, fracture energy, ductility index, initial fracture toughness, and unstable fracture toughness are quantitatively and qualitatively analyzed. …”
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    Article
  17. 77

    Effects of Porosity of Dry and Saturated Sandstone on the Energy Dissipation of Stress Wave by Yexue Li, Jing Wang

    Published 2019-01-01
    “…First, according to the fracture mechanics theory, the surface tension of water and Stefan effect significantly hinder crack expansion. …”
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    Article
  18. 78

    Effect of Silicone Oil on Dispersion and Low-Temperature Fracture Performance of Crumb Rubber Asphalt by Nonde Lushinga, Liping Cao, Zejiao Dong

    Published 2019-01-01
    “…Therefore, the purpose of this study was to investigate the effect of recycled silicone oil (SO) on dispersion and low-temperature fracture performance of crumb rubber asphalt. The fracture mechanics-based single-edge notch beam (SENB) test was performed at temperatures of −12°C, −18°C, and −24°C. …”
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    Article
  19. 79

    A state-of-art review of fatigue short crack propagation behavior of metals: Model, experimental and prospective by MoLin Su, WenCai Liu, YongDian Han, NingJun Feng, HongQiao Yan, Yue Zhao, Chao Feng, Lei Zhao

    Published 2025-03-01
    “…SC posed unique challenges, particularly in marine and welded structures, where traditional linear elastic fracture mechanics (LEFM) fell short due to their inability to capture the microstructural sensitivity and fluctuating growth characteristics of SC. …”
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    Article
  20. 80

    Quantitative Damage and Fracture Mode of Sandstone under Uniaxial Load Based on Acoustic Emission by Ying Xu, Qiangqiang Zheng, Xin Gao, Rongzhou Yang, Xian Ni, Qianqian Wang

    Published 2020-01-01
    “…The damage degree and fracture mechanism of the rock are important to the bearing performance of the rock mass and the stability of the overlying structure. …”
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    Article