Results 21 to 30 of about 284,479 (300)

Study on safety of a high earth-core rockfill dam considering contact effect between dam and foundation

Shuili Shuiyun Gongcheng Xuebao, 2019
With a traditional method to calculate the stress and deformation of earth-rock dam, the contact effect between the dam and the bedrock is neglected, which is not consistent with the actual condition.
LI Guoying, HAN Chaojun, WEI Kuangmin, MI Zhankuan   +3 more
doaj   +1 more source

Reductions in the Laser Welding Deformation of STS304 Cylindrical Structure Using the Pre-Stress Method

Metals, 2023
Welding deformation occurs due to non-uniform thermal expansion, thermal contraction, restraint, and phase transformation in a metal by a local welding heat source.
Se-Hwan Lee, Ho-Chan Jeon, Jeong-Ung Park   +2 more
doaj   +1 more source

4D Synchrotron X-ray Imaging of Grain Scale Deformation Mechanisms in a Seismogenic Gas Reservoir Sandstone During Axial Compaction [PDF]

, 2022
Understanding the grain-scale processes leading to reservoir compaction during hydrocarbons production is crucial for enabling physics-based predictions of induced surface subsidence and seismicity hazards.
McBeck, J. A., Hangx, S. J. T., Van Stappen, Jeroen, Van Stappen, J.F., Cordonnier, B., Renard, François, Renard, F., Spiers, C. J., Experimental rock deformation, Pijnenburg, R. P. J.   +9 more
core   +2 more sources

Effects of Stress State, Crack—γ/γ′ Phase Interface Relative Locations and Orientations on the Deformation and Crack Propagation Behaviors of the Ni-Based Superalloy—A Molecular Dynamics Study

Crystals, 2023
In this study, we systematically investigate the influence of stress states, relative locations, and orientations of crack—γ/γ′ phase interfaces on the deformation and crack propagation behaviors of the Ni-based superalloy through molecular dynamics ...
Xinmao Qin, Yilong Liang, Jiabao Gu
doaj   +1 more source

Strength analysis of axial rotating heat pipe grinding wheel under thermo-mechanical coupling

Jin'gangshi yu moliao moju gongcheng, 2021
To study the matrix strength of the axial rotating heat pipe grinding wheel (HPGW) in the process of high efficiency profile grinding, and considering that HPGW has the characteristics of heat transfer enhancement, ANSYS workbench was used to perform ...
JIANG Huafei, CHEN Jiajia, FU Yucan, XU Youlin   +3 more
doaj  

Axial-flexural coupled vibration and buckling of composite beams using sinusoidal shear deformation theory [PDF]

, 2013
A finite element model based on sinusoidal shear deformation theory is developed to study vibration and buckling analysis of composite beams with arbitrary lay-ups.
Thai, Huu-Tai, Inam, Fawad, Vo, Thuc
core   +1 more source

Simulation Analysis and Parameter Optimization of Residual Film Pickup Process Based on Finite Element Method

Agriculture
The extended duration of mulching in Xinjiang cotton fields leads to a significant decline in the tensile strength of plastic film. When recycling is in operation, the soil and the spring teeth of the machinery used can easily cause secondary damage and ...
Xuejun Zhang, Lei Guo, Jinshan Yan, Zenglu Shi, Mengchen Kang, Jieting Yao   +5 more
doaj   +1 more source

Effect Model of Stress and Plastic Deformation on Conductivities of Various Magnetic Materials

IEEE Access, 2020
In order to study the effect of stress/plastic deformation on electrical conductivity of various magnetic materials, the electrical conductivity of silicon steel, carbon steel and aluminum alloy of different resistance coefficients at the stage of ...
Fuchen Zhang, Hongmei Li, Chuntian Zhao, Ruiqing Jia   +3 more
doaj   +1 more source

A Griggs apparatus upgrade for stress-controlled testing of geological material at high temperature and pressure

HardwareX, 2021
The Griggs apparatus is a triaxial piston-cylinder instrument used in deformation experiments of geological material at temperatures up to 1200 °C and confining pressures up to 3 GPa.
Hamid Soleymani, Steven Kidder
doaj   +1 more source

Creep: time‐dependent brittle deformation in rocks [PDF]

, 2009
The characterization of time‐dependent brittle rock deformation is fundamental to understanding the long‐term evolution and dynamics of the Earth’s crust. The chemical influence of pore water promotes time‐dependent deformation through stress corrosion
Heap, M.J.
core