Showing 21 - 40 results of 98 for search '"damage mechanics"', query time: 0.07s Refine Results
  1. 21
  2. 22

    La mécanique de l’endommagement au secours de la mécanique de la rupture : l’évolution de cette idée en un demi-siècle by Marigo, Jean-Jacques

    Published 2023-04-01
    “…In particular, the emphasis is on the creation and development of damage mechanics with its primary ambition to remedy the shortcomings of Griffith’s fracture theory. …”
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    Article
  3. 23

    A Mesoscopic Simulation for the Early-Age Shrinkage Cracking Process of High Performance Concrete in Bridge Engineering by Guodong Li, Zonglin Wang

    Published 2017-01-01
    “…By combining this model with continuum mechanics, damage mechanics, and fracture mechanics, a relatively complete system for concrete mesoscopic mechanics analysis was established to simulate the process of early-age shrinkage cracking in HPC. …”
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    Article
  4. 24

    Research on Mechanisms and Control Measures of Surrounding Rock Disaster in Large Section Roadway with Top Coal under the Influence of Tectonic Stress by Yang Yu, Jianfei Lu, Dingchao Chen, Yuxin Pan, Xiangqian Zhao, Cheng Chen

    Published 2021-01-01
    “…Based on the principle of damage mechanics, the critical size discriminant of the LSRTC was deduced, and the induction mechanism of section size effect and tectonic stress effect on the roadway surrounding rock disaster was revealed. …”
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    Article
  5. 25

    The Damage Constitutive Model of Sandstone under Water-Rock Coupling by J. Jiang, Z. M. Hou, K. P. Hou, Y. F. Lu, H. F. Sun, X. D. Niu

    Published 2022-01-01
    “…A constitutive model based on damage mechanics and statistical strength theory for sandstone under water-rock coupling is proposed and verified by laboratory tests and numerical tests. …”
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    Article
  6. 26

    New Maxwell Creep Model Based on Fractional and Elastic-Plastic Elements by Hao Tang, Dongpo Wang, Zhao Duan

    Published 2020-01-01
    “…Hence, in this study, by replacing the Newtonian dashpot and spring in the classical Maxwell model with fractional and elastic-plastic elements, a new Maxwell creep model based on fractional derivatives and continuum damage mechanics was developed. One- and three-dimensional (1D/3D) creep equations of the new Maxwell creep model were derived. …”
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    Article
  7. 27

    A Damage Constitutive Model of Rock under Hydrochemical Cyclic Invasion by Lunan Sun, Yu Zhang, Zhe Qin, Tengfei Wang, Sheng Zhang

    Published 2020-01-01
    “…Based on the principle of damage mechanics, a hydraulic-chemistry-mechanics (HCM) coupling damage variable is defined. …”
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    Article
  8. 28

    Charged System Search Algorithm Utilized for Structural Damage Detection by Zahra Tabrizian, Gholamreza Ghodrati Amiri, Morteza Hossein Ali Beigy

    Published 2014-01-01
    “…According to continuum damage mechanics, damage is represented by a reduction factor of the element stiffness. …”
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    Article
  9. 29

    Damage Evolution of Concrete Piles Mixed with Admixtures in Marine Corrosion and Freeze-Thaw Environment by Yan Li, Bing Li, Lianying Zhang, Chao Ma

    Published 2021-01-01
    “…Then, based on the theory of damage mechanics, the damage evolution and constitutive model of concrete under the marine corrosion and freeze-thaw environment are established. …”
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    Article
  10. 30

    Mechanical Properties and Acoustic Emission Properties of Rocks with Different Transverse Scales by Xi Yan, Li Jun, Liu Gonghui, Guo Xueli

    Published 2017-01-01
    “…Considering the transverse scale effects of rocks, this paper employs the microparticle flow software PFC2D to explore the influence of different aspect ratios on damage mechanics and acoustic emission properties of rocks. …”
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    Article
  11. 31

    Surface Settlement Damage Model of Pile-Anchor Supporting Structure in Deep Excavation by Yuanxun Li, Wuyu Zhang, Ningshan Jiang, Hui Li

    Published 2020-01-01
    “…In damage mechanics, the deep excavation of soil is a process of damage development, and soil failure can be considered a process of continuously transforming undisturbed soil to damaged soil. …”
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    Article
  12. 32

    An Improved Coupled Modeling Method for Coalbed Methane Extraction after Hydraulic Fracturing by Hao-Hao Zhang, Jun-Xing Wang, Chao-Jun Fan, Hui-Jie Bi, Li Chen, Chen-Yu Xu

    Published 2022-01-01
    “…This paper proposes an improved coupled modeling method for coalbed methane extraction after hydraulic fracturing. Based on the damage mechanics theory, we introduce a state damage variable to record the damage changes at different times and construct the coupling governing equations of the seepage field and solid mechanics field in the hydraulic fracturing process. …”
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    Article
  13. 33

    The Investigation on Initiation and Propagation of Hydraulic Fractures in Shale Reservoir by Xiangjun Liu, Wei Lei, Jing Huang, Yi Ding, Lixi Liang, Jian Xiong

    Published 2021-01-01
    “…Therefore, in this paper, considering the strong anisotropy of shale reservoir, numerical simulation has been conducted to analyze fracture propagation and initiation on the basis of finite element and damage mechanics. Simulation results indicate that hydraulic fracture is not merely controlled by in situ stress due to strong anisotropy in shale. …”
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    Article
  14. 34

    Experimental and numerical study on the flexural performance of reinforced laminated bamboo lumber beams with prestressed GFRP bars by Haitao Li, Dong Yang, Ben Chen, Sarah Mohrmann, Rodolfo Lorenzo, Kun Zhou, Feng Shen

    Published 2025-03-01
    “…Finite element modelling (FEM) using continuum damage mechanics was also adopted to verify the failure pattern and the strengthening mechanism of strengthened LBL beams.…”
    Article
  15. 35

    Deformation mechanism and damage energy evolution of coal body under different gas pressures based on the energy principle by Yongjiang Yu, Xu Dong, Jiaming Liu, Zhiyuan Song, Zhiqiang Wu, Wenjing Guo

    Published 2025-01-01
    “…According to the theory of continuous damage mechanics, an ontological damage model of the coal body under different gas pressures was established based on the principle of minimum energy dissipation, and the rationality of the model was verified through a comparison between the theoretical and experimental data. …”
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    Article
  16. 36

    Statistical Damage Constitutive Model for Cemented Sand considering the Residual Strength and Initial Compaction Phase by Cai Tan, Ming-dao Yuan, Yong-sheng Shi, Bing-sheng Zhou, Hao Li

    Published 2018-01-01
    “…Based on continuum damage mechanics and the assumption of volume invariance, a damage constitutive model of cemented sand under triaxial stress was established while considering residual strength. …”
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    Article
  17. 37

    Permeability Enhancement of Coal Seam by Lower Protective Layer Mining for Gas Outburst Prevention by Aiping He, Hua Fu, Bingjie Huo, Chaojun Fan

    Published 2020-01-01
    “…Based on the three-zone-shaped dynamic evolution of the permeability of the overlying protective layer during the lower protective layer mining, the theories of seepage mechanics and damage mechanics were applied to introduce the permeability enhancement coefficient of equivalent layer spacing. …”
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    Article
  18. 38

    Damage Evolution of Sandstone under Constant-Amplitude Cyclic Loading Based on Acoustic Emission Parameters and Resistivity by Kui Wang, Zhengting Xia, Zhen Huang, Xue Li

    Published 2021-01-01
    “…Finally, a damage model based on AE parameters and resistivity was constructed by combining damage mechanics.…”
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    Article
  19. 39

    A Case Study of Damage Energy Analysis and an Early Warning by Microseismic Monitoring for Large Area Roof Caving in Shallow Depth Seams by Like Wei, Qingxin Qi, Hongyan Li, Bin Zhang, Yongren Wang, Linghai Kong

    Published 2015-01-01
    “…In order to predict the precise time when the accident happens, guaranteeing life-safety of miner, microseismic monitoring system was for the first time applied in shallow coal seam. Based on damage mechanics correlation theory, the damage energy model is established to describe relationship between damage level and cumulative energy of microseismic events. …”
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  20. 40

    Micromechanics of Cracked Laminates under Uniaxial Load: A Comparison between Approaches by J. A. Rivera-Santana, A. Guevara-Morales, U. Figueroa-López

    Published 2017-01-01
    “…This paper compares stiffness degradation models of cross-ply glass fiber/epoxy laminates based on four of the most commonly used approaches to micromechanical modelling: shear-lag, variational, McCartney, and synergistic damage mechanics (SDM). All of these include the process of defining 0/90s laminate unit cell, from which governing differential equations and corresponding boundary conditions are stated. …”
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    Article