Zobrazeno 1 - 10
of 160
pro vyhledávání: '"Qin Xianrong"'
Publikováno v:
Jixie qiangdu, Pp 723-728 (2023)
When mechanical components are subjected to multiaxial cyclic loading during operation, the additional strengthening effect is easy to occur. Using uniaxial fatigue life calculation formula to predict their life will produce large errors. However, th
Externí odkaz:
https://doaj.org/article/2af57d94b0e7424eb980622f2903cd2c
Publikováno v:
Jixie qiangdu, Pp 1365-1370 (2022)
A semidefinite programming-based optimization method is proposed for lightweight design of boom and stay bars of container cranes. The boom and stay bars are welded together by steel plates, and in engineering practices the cross-sectional dimensions
Externí odkaz:
https://doaj.org/article/42f7f7c2c2874d56a0841c1e6a75884f
Publikováno v:
Jixie qiangdu, Vol 41, Pp 1090-1095 (2019)
The fatigue crack growth(FCG) phenomenon always exists in large mechanical structural. Influenced by varied kinds of random factors, the safety evaluation of structure in FCG is under great uncertainty. Based on the reliability theory, this artic
Externí odkaz:
https://doaj.org/article/a5751498ef1a4352a531b41d4aa88ef7
Publikováno v:
Jixie qiangdu, Vol 40, Pp 88-94 (2018)
A reliability analysis method for complicated mechanical system is proposed which is based on Copula Bayesian network. Since the variables in complicated mechanical system are numerous and correlated to each other,the traditional analysis methods are
Externí odkaz:
https://doaj.org/article/be15034737be4a9db718351c02c6c71a
Publikováno v:
Jixie chuandong, Vol 42, Pp 64-67 (2018)
Based on the mathematical model of altimetric compensating of lifting weight of single arm crane,a general structure form is obtained by solving and analysis,and combining transmission mode of differential reducer to achieve the lifting and luffing p
Externí odkaz:
https://doaj.org/article/e786956dcabb4326a9765c2dfec48914
Publikováno v:
Jixie qiangdu, Vol 38, Pp 265-270 (2016)
A gradient-less parametrical approach has been employed to optimize the stress concentration on local part. The design boundary was represented by splines and the shape of boundary can be varied by adjusting the coordinate of control points.By doing
Externí odkaz:
https://doaj.org/article/03974ee52faf4634a4d717482799e6d7
Publikováno v:
Jixie chuandong, Vol 39, Pp 51-54 (2015)
The lifting gearbox which is used on self-elevating offshore platform is selected as optimized object,its features and workings are introduced,and its reliability and mass are selected as optimization objectives,and the mathematical model is establis
Externí odkaz:
https://doaj.org/article/525c75fd8655408ea8b3adcb1ced88f4
Akademický článek
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Publikováno v:
In International Journal of Pressure Vessels and Piping April 2023 202
Publikováno v:
In Engineering Failure Analysis February 2023 144