Autor: Song, Hui - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Research on parameters of MMC fracture criterion for advanced high strength dual-phase steel sheets
Autorzy:: Fu, Qiutao
Li, Di
Song, Hui
Liu, Xingfeng
Lu, Zipeng
Cui, Hongjian
Powiązania:: https://bibliotekanauki.pl/articles/2086969.pdf
Data publikacji:: 2022
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: advanced high strength dual-phase steel
plasticity
shear fracture
modified Mohr-Coulomb criterion
parameter correlation
Opis:: To predict the shear fracture, tests of advanced high-strength DP steels have been carried out, and fracture models of DP steels have been established using the MMC fracture model. The MMC fracture parameters were obtained through multiple sets of experiments and stress triaxiality solved by simulation. The result was verified by stretch-bending, Nakazima tests and simulations. It shows that the MMC criterion is suitable for predicting ductile fracture of DP980, 1180. The correlation between the parameters of the MMC criterion and DP steel material properties can reduce the amount of tests data required.
Źródło:: Journal of Theoretical and Applied Mechanics; 2022, 60, 2; 253--265
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 2.

Tytuł:: Stability of transverse vibration of drillstring conveying drilling fluid
Autorzy:: Tang, Song
Liang, Zheng
Zhao, Guang-Hui
Powiązania:: https://bibliotekanauki.pl/articles/1839591.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: drillstring, fluid-pipe coupling
fluctuating WOB
stability
Galerkin method
Opis:: In this paper, an analytical model is proposed to predict lateral vibration of a drillstring in a vertical well. The effect of parameters, such as stiffness of spring, average weight on bit (WOB), amplitude of fluctuating WOB and so on, on the dynamic stability of the drillstring is discussed. It is found that the interaction between the drillstring and drilling mud has a great influence on drillstring buckling and dynamics. For constant drilling pressure, the mud flow rate stabilizes the drillstring under certain conditions, but the fluctuating WOB drives the drillstring parametric resonance.
Źródło:: Journal of Theoretical and Applied Mechanics; 2020, 58, 4; 1061-1074
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

Skocz do pozycji: 3.

Tytuł:: Dynamic characteristics study on the two-stage safety valve used on hydraulic support under impact loading
Autorzy:: Zhao, Guochao
Wang, Hui
Song, Yuning
Zhang, Changshuai
Powiązania:: https://bibliotekanauki.pl/articles/2055035.pdf
Data publikacji:: 2020
Wydawca:: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:: safety valve
impact loading
hydraulic support
dynamic characteristic
Opis:: A two-stage linkage safety valve for hydraulic support is presented. Considering the hydraulic support is impacted, dynamic simulation of the column circuit with the two-stage safety valve subject impact loading was carried out, and the dynamic characteristics of the two- -stage safety valve with different impact forms were studied. A rapid impact loading test rig was built to test the two-stage safety valve sample under impact loading. Simulation and experimental results indicate that the two-stage safety valve has high sensitivity and good unloading performance, it can realize fast and large flow unloading of the hydraulic support under different impact forms and pressures.
Źródło:: Journal of Theoretical and Applied Mechanics; 2020, 58, 3; 623--635
1429-2955
Pojawia się w:: Journal of Theoretical and Applied Mechanics
Dostawca treści:: Biblioteka Nauki

Artykuł

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