Results 71 to 80 of about 1,000 (252)
Deep Underground Science and Engineering, EarlyView.An experimental device for physical simulation of hydraulic fracturing, comprising: a load‐bearing mechanism with multiple interconnected plates that collectively form an sample chamber; a load‐generating mechanisms, with multiple load‐generating mechanisms arranged within the experimental chamber.
Delei Shang +5 more
wiley +1 more source
Jeans Solutions for Triaxial Galaxies [PDF]
, 2003 The Jeans equations relate the second-order velocity moments to the density and potential of a stellar system. For general three-dimensional stellar systems, there are three equations, but these are not very helpful, as they contain six independent moments.
van de Ven, Glenn +3 more
openaire +2 more sources
Deep Underground Science and Engineering, EarlyView.An analytical framework delivers a closed‐form stress solution for lined compressed air energy storage chambers, enabling the determination of the minimum safe burial depth. The solution quantitatively evaluates lining support effectiveness, offering a reliable tool for chamber design and optimization.
Zeyuan Sun +3 more
wiley +1 more source
RESEARCH ON THE RELATIONSHIP BETWEEN FRACTURE STRAIN AND TRIAXIALITY OF 6061-T6 ALUMINUM ALLOY
Jixie qiangdu, 2020 It has important theoretical significance and application value for analyzing the fracture failure process of 6061-T6 aluminum alloy to study the relationship between fracture strain and stress triaxiality and establish the fracture failure model.
YI HaiJiao +4 more
doaj
Yielding of Sand in Triaxial Compression
Soils and Foundations, 1974 ABSTRACT By employing different kinds of stress paths drained triaxial compression tests were conducted on sand samples having several densities. In the course of complicated cycles of stress change, the states of stress at which plastic deformations begin to take place were determined.
TATSUOKA, FUMIO, ISHIHARA, KENJI
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Deep Underground Science and Engineering, EarlyView.B1 is bord width 1, B2 is bord width 2, L is the pillar length, W is the pillar width, red color and letter A represent the pillars, and white color and number 1 represent excavated areas. Pstress is the average pillar stress; σv is the vertical component of the virgin stress, MPa; and e is the areal extraction ratio. e = B o B o + B P ${\rm{e}}=\frac{{
Tawanda Zvarivadza +4 more
wiley +1 more source
基于多尺度晶体塑性有限元的GCr15轴承钢拉-压不对称性研究
Jixie qiangdu, 2021 In this paper,stress triaxiality is added to the classical crystal plasticity constitutive model to investigate the experimental phenomenon of tension-compression asymmetry for the GCr15 bearing steel.Firstly, the crystal plasticity constitutive model is
樊冬, 余丰, 李淑欣
doaj
Testing for triaxiality with kinematic data [PDF]
Monthly Notices of the Royal Astronomical Society, 1985 Des modeles cinematiques simples de galaxies elliptiques sont utilises pour montrer que si les galaxies sont triaxiales, les vitesses de rotation suivant leurs axes principaux apparents doivent etre associees a des mouvements similaires suivant leurs petits axes apparents.
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Deep Underground Science and Engineering, EarlyView.Through shear–tensile creep tests and viscoelastic modeling, the fracture evolution of thick soft protective layers is clarified. Results show thickness‐dependent rheological failure modes that govern four types of roof water inrush, providing a mechanism‐based framework for hazard prediction and control. Abstract In the Jurassic coal‐bearing strata of
Mengnan Liu +4 more
wiley +1 more source
Triaxial Shapes in Even–Even Nuclei: A Theoretical Overview
AtomsTriaxial shapes in even–even nuclei have been considered since the early days of the nuclear collective model. Although many theoretical approaches have been used over the years for their description, no effort appears to have been made for grouping them
Dennis Bonatsos +6 more
doaj +1 more source