Results 21 to 30 of about 9,925 (261)
Applied Sciences, 2022 The mechanical behaviors of rock masses are significantly affected by the distribution and shape of the holes in it. In this research, the fracture mechanism and the shear properties of rock masses containing holes were investigated by the cohesive zone ...
Yinge Zhu +4 more
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Numerical investigation of poroelastic effects during hydraulic fracturing using XFEM combined with cohesive zone model [PDF]
E3S Web of Conferences, 2023 Hydraulic fracturing is an effective technology used to stimulate hydrocarbon production from unconventional reservoirs. Numerical simulation of the hydraulic fracturing process plays a key role in the design of hydraulic fracturing.
Ren Xiaoyu +7 more
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A CORRECTED COHESIVE ZONE MODEL IN THE INTERLAMINAR FRACTURE OF COMPOSITE
Jixie qiangdu, 2021 In order to consider both material damage of the crack tip and the initial fracture toughness,a corrected cohesive zone model（ CZM） that considers the influence of material damage of the initial crack propagation has been proposed. The corrected cohesive
JIA YunLong, XU Lin, XIANG Bin
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MODELLING OF CRACK PROPAGATION: COMPARISON OF DISCRETE LATTICE SYSTEM AND COHESIVE ZONE MODEL
Acta Polytechnica CTU Proceedings, 2020 Lattice models are often used to analyze materials with discrete micro-structures mainly due to their ability to accurately reflect behaviour of individual fibres or struts and capture macroscopic phenomena such as crack initiation, propagation, or ...
Karel Mikeš +3 more
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Effect of Mesh Sensitivity and Cohesive Properties on Simulation of Typha Fiber/Epoxy Microbond Test
Computation, 2020 The microbond test for natural fibers is difficult to conduct experimentally due to several challenges including controlling the gap distance of the blade, the meniscus shape, and the large data spread.
Ikramullah +5 more
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Applied Sciences, 2023 An extremely low hydraulic conductivity of cohesive soil causes a low transport rate of water and solute, with a time-consuming result, as we all know.
Tianwen Liu +6 more
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Research on IGBT Bonding Wires Crack Propagation at the Macro and Micro Scales
IEEE Access, 2021 Under the action of a complex and harsh working environment, the damage of the IGBT power module’s packaging interconnection structure is the primary failure mode.
Jun Luo +4 more
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Numerical study of delamination process of the CFRP composite
Fracture and Structural IntegrityA quasi-static approach for an interface damage model, incorporating Rayleigh damping for viscoelastic carbon fiber reinforced polymer composites, is introduced. The interface traction-relative displacement behavior is modeled using a thin adhesive layer,
Eva Kormanikova, Kamila Kotrasova
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Polymer Testing, 2021 In the current paper, the effects of interface fiber angles on the characteristics of R-curve and the cohesive law shape of end-notch-flexure specimens are investigated using numerical and empirical methods. To this aim, laminated composites manufactured
M. Salamat-Talab +2 more
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A Regularized Interface Model for Simulating the Response of Adhesive Joints
Annals of "Dunarea de Jos" University of Galati, Fascicle XII, Welding Equipment and TechnologyA regularized interface damage model is presented grounded on the cohesive-zone concept. This is obtained using a gradient-based formulation, which is equivalent to the introduction of the laplacian of a scalar damage field into the threshold function of
N. Valoroso
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