Results 11 to 20 of about 9,576 (117)

Application of numerical manifold method in crack propagation

Yantu gongcheng xuebao, 2020
In order to solve the problem that the traditional fracture criterion is difficult to simulate the mixed multi-crack propagation, based on the existing numerical manifold method program, the existing crack propagation criterion is improved so that the ...
YU Zhi-fa 1, 2, 3, 4, YU Chang-yi 2, 3, 4, LIU Feng 1, YAN Shu-wang 1
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Research on the Rule and Life Prediction of Tooth Root Crack Propagation based on Fatigue Experiment and Numerical Analysis Method

Jixie chuandong, 2022
Through the fatigue test of modified spur gear with root crack fault by fatigue testing machine，the rule of root crack propagation is obtained，the root crack is easier to expand along the direction of tooth width than the direction of tooth root， and the
Mouqing Zhang, Shinian Fang, Chunlei Pu, Hongzheng Han, Hui Ma, Mingtao Wang, Xu Li   +6 more
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Numerical simulation of crack propagation in clinch joints

Fracture and Structural Integrity
The mechanical clinching process can be used for the load-bearing structures of thin-walled steel frame halls. Numerical simulation of crack propagation in a clinching joint using finite element method (FEM) software is an important tool for the ...
Petr Lehner, Martin Krejsa, Dominik Gřešica, Jakub Flodr   +3 more
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Experimental and Numerical Investigations on Crack Intersection and Propagation of Concrete Structures

International Journal of Concrete Structures and Materials, 2022
This study presents experimental and numerical methods to reveal concrete structures’ crack propagation and intersection laws under static and dynamic loads.
Siyao Wang, Mei-Ling Zhuang, Xiang Xue
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Numerical investigation on the prefabricated crack propagation of FV520B stainless steel

Results in Physics, 2017
FV520B is a common stainless steel for manufacturing centrifugal compressor impeller and shaft. The internal metal flaw destroys the continuity of the material matrix, resulting in the crack propagation fracture of the component, which seriously reduces ...
Juyi Pan, Ming Qin, Songying Chen
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Rock Dynamic Crack Propagation under Different Loading Rates Using Improved Single Cleavage Semi-Circle Specimen

Applied Sciences, 2019
The objective of this paper is to investigate the complete process of dynamic crack propagation in brittle materials under different loading rates. By using Improved Single Cleavage Semi-Circle (ISCSC) specimens and Split Hopkinson Pressure Bar equipment,
Fei Wang, Meng Wang, Mohaddeseh Mousavi Nezhad, Hao Qiu, Peng Ying, Caoyuan Niu   +5 more
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Study on the influence of length-diameter ratio on the mechanical characteristics of cracks at the end of linear charges

矿业科学学报, 2019
Dynamic caustic experimental method and numerical simulation method were used to study the crack propagation rules and the tension/compression damage zone at the end of boreholes in the planar model.The results show that the effect of different length ...
Li Qing, Zhang Suixi, Wan Minghua, Guo Yang, Xu Wenlong, Feng Dandan   +5 more
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Fatigue crack propagation analysis considering the dynamic crack-load coupling effect

Scientific Reports
Gear fillet crack is one of the most common defects of the gear transmission system, and the study of gear fillet crack propagation and life prediction has attracted much attention in the literature. The existence of the crack will alter the dynamic load
Wennian Yu, Yongbo Yu, Feifan Shi, Chaodong Zhang, Wenbing Tu   +4 more
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Residual stress effects on fatigue crack propagation in Butt–Welded joints for 304 stainless steel sheets

Manufacturing Review, 2021
Welded joints are sensitive to fatigue failure due to cyclic loading, as well as fatigue crack propagation influenced by the distribution of welding residual stress.
El Shrief Eman, El-Megharbel Abla, El Domiaty Aly, Abd El-Hafez Hassan   +3 more
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Research on the influence of high speed labyrinth rubbing on the initiation and propagation of crack in sealing ring

Hangkong gongcheng jinzhan
The rubbing of the labyrinth sealing structure is a common problem during the operation of aeroengine air system. Due to the difficulty in observing the process of crack initiation and propagation on the sealing ring during actual rubbing，using finite ...
CHANG Jiaqi, LI Huidong, XIE Wenbo, MU Qinqin, CHEN Yonghui, YANG Weihua   +5 more
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