Zobrazeno 1 - 10
of 6 058
pro vyhledávání: '"Strain Energy Density"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract Deep rock masses are typically in complex stress states, and research on the evolution of their strain energy density is of highly important for understanding their failure characteristics. In this work, a true triaxial stress‒balanced unl
Externí odkaz:
https://doaj.org/article/c84f0483314d4e27b0d2821da047ae3f
Publikováno v:
Meitan xuebao, Vol 49, Iss 8, Pp 3353-3365 (2024)
The roof anchor cable in deep high stress roadway under the combined action of tension, shear, torsion and so on, could release accumulated strain energy instantaneously, causing the ejection accident due to anchor cable breaking, which seriously aff
Externí odkaz:
https://doaj.org/article/a6acaa84272b4e10a0938557085286ec
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-16 (2024)
Abstract Deep rock are often in a true triaxial stress state. Studying the impacts of varying unloading speeds on their strain energy (SE) density is highly significant for predicting rock stability. Through true triaxial unloading principal stress e
Externí odkaz:
https://doaj.org/article/b622f18380e14abca71677d546ab40d8
Publikováno v:
Frontiers in Earth Science, Vol 12 (2024)
With the increasing demand for coal resources and the unreasonable arrangement of subsequent working faces, mining activities in isolated working faces are more likely to induce coal burst accidents. In this study, the minimum distance principle is u
Externí odkaz:
https://doaj.org/article/96cb36cf602c4d719b7fd26332f9fcc7
Autor:
Raffaele De Biasi, Oguz Oztoprak, Filippo Zanini, Simone Carmignato, Stefan Kollmannsberger, Matteo Benedetti
Publikováno v:
Materials & Design, Vol 246, Iss , Pp 113321- (2024)
A well-known Achilles' heel of laser powder bed fusion (L-PBF) additive manufactured lattice structures is the difficulty in predicting fatigue properties. The presence of manufacturing-induced defects significantly affects the fatigue resistance of
Externí odkaz:
https://doaj.org/article/24380aa30d414611b66f871ac5b2a190
Publikováno v:
Polymer Testing, Vol 137, Iss , Pp 108521- (2024)
Under environmental exposure, the mechanical properties of elastomers change due to ageing, all while enduring mechanical service loading conditions. The influence of ageing on the multiaxial mechanical response of elastomers remains an understudied
Externí odkaz:
https://doaj.org/article/d2fa4c934a6a489a8cc3d78129d96f1c
Publikováno v:
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, Vol 10, Iss 1, Pp 1-21 (2024)
Abstract Rockbursts are a complex phenomenon characterized by a violent ejection of rock fragments from the free face of deep underground mines. Due to the sudden, disruptive, and complex nature of these events, accurate predictions of rockbursts are
Externí odkaz:
https://doaj.org/article/5f1dd3d669bb4cea9393b01ce5999d8c
Publikováno v:
IEEE Access, Vol 12, Pp 3356-3371 (2024)
This paper explores nonlinear cumulative damage models applied to Prognostics and Health Management in electronic systems, with a focus on solder joint reliability under variable vibrations. Several cumulative damage models, including the total strai
Externí odkaz:
https://doaj.org/article/1f40109eaf10405588ce601a24776a30
Autor:
Liu Wenchao, Zhao Yixin
Publikováno v:
矿业科学学报, Vol 8, Iss 6, Pp 803-816 (2023)
This study aims to tackle the problem of frequent coal-rock dynamic events caused by local stress concentration in deep mining working face under high static stress environment. Specifically, by taking the deep working face of Hongqinghe Mine located
Externí odkaz:
https://doaj.org/article/2ce82ef3de224ddfbe756df9a000286a
Publikováno v:
Zhejiang dianli, Vol 42, Iss 11, Pp 72-77 (2023)
Nitrile butadiene rubber （NBR） is a crucial sealing material for oil-immersed equipment， and its properties have a direct impact on the safe operation of equipment. With elastic strain energy density and hardness as the property parameters， t
Externí odkaz:
https://doaj.org/article/feaa160d1150473498543e0d509859f2