Zobrazeno 1 - 10
of 374
pro vyhledávání: '"Yang Guangwu"'
Publikováno v:
Jixie qiangdu, Pp 955-961 (2023)
In order to study the frequency domain calculation method of non-Gaussian excitation, Gaussian mixture model（GMM） is introduced. The measured non-Gaussian excitation is transformed into probabilistic power spectrum（PPSD） through GMM model, so
Externí odkaz:
https://doaj.org/article/b05b9e9697924a84a6279151db4d4c34
Publikováno v:
Jixie qiangdu, Vol 44, Pp 74-80 (2022)
In order to study the dynamic mechanical properties of SUS304 stainless steel commonly used in rail vehicles, tensile tests under wide strain rates of 0.000 2 s-1～500 s-1 were carried out respectively. The test results show that SUS304 stainless st
Externí odkaz:
https://doaj.org/article/4aa2aeec1b0a47d3a11c40cb9e51e80b
Autor:
TIAN XiaoChen, ZHU Tao, WANG Chao, YIN MinXuan, XU JingTao, XIAO ShouNe, YANG GuangWu, YANG Bing
Publikováno v:
Jixie qiangdu, Vol 44, Pp 696-704 (2022)
In order to more accurately grasp the health status of key parts of heavy-haul wagon, the crack initiation life of the structure under existing service conditions is one of the important links of the research. In order to accurately analyze the fatig
Externí odkaz:
https://doaj.org/article/4b344e7d7b1140898c8e76270baf8654
Publikováno v:
Jixie qiangdu, Vol 43, Pp 281-286 (2021)
In order to accurately obtain the fracture mechanics parameters of the cast E-grade steel material,and to study the crack propagation law and influencing factors of material,a fatigue crack growth test of the CT specimens of the cast E-grade steel wa
Externí odkaz:
https://doaj.org/article/6e9bb1439605450683701dfe8143c468
Publikováno v:
Jixie qiangdu, Vol 43, Pp 447-452 (2021)
According to the cracks in the gearbox of a certain type of diesel locomotive,the finite element model of gear box was established to make the life prediction by using the random vibration fatigue theory and the linear fatigue cumulative damage theor
Externí odkaz:
https://doaj.org/article/53583ba0ed794d81960afd0af20ddb0d
Publikováno v:
Jixie qiangdu, Vol 43, Pp 1442-1449 (2021)
Using the vibration excitation spectrum of IEC61373, the subway bogie obstacle detector was taken as the research object. The random vibration fatigue strength of the obstacle detector was studied by combining the finite element method and bench vibr
Externí odkaz:
https://doaj.org/article/dfa4b73745084577b1ebf0b19f545f1b
Publikováno v:
Jixie qiangdu, Vol 41, Pp 1060-1065 (2019)
In order to study the loosening life characteristics of bolts, the transverse vibration test of bolts was designed by using fatigue testing machine. The test compared the influence of displacement, velocity and acceleration to the loose of bolts by c
Externí odkaz:
https://doaj.org/article/a4b66da105b14235a273ddb6493b715b
Publikováno v:
Jixie chuandong, Pp 34-39 (2019)
In order to study the nonlinear deformation behavior of bolt-flange-joined laminated coupling under three different load forms of tension, bending and torsion load, a local finite element model of the coupling is established. The effects of bolt prel
Externí odkaz:
https://doaj.org/article/52381f0b3bde4f618a3454b7e8efca95
Publikováno v:
Jixie qiangdu, Vol 38, Pp 160-166 (2016)
Traditional bogie frame fatigue design uses the amplitude loads,which is significantly not inconsistent with random excitation suffered on the frame in actual operation. This method often leads to excessive fatigue strength of the overall frame and t
Externí odkaz:
https://doaj.org/article/952641b81ed54d47b60c41a44ac523f5
Publikováno v:
In Theoretical and Applied Fracture Mechanics October 2024 133 Part A