Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Elisha Rejovitzky"'
Publikováno v:
SHOCK COMPRESSION OF CONDENSED MATTER - 2019: Proceedings of the Conference of the American Physical Society Topical Group on Shock Compression of Condensed Matter.
The Steven test was introduced for studying low velocity impact initiation of explosives. The original diagnostics of the Steven test were blast gauges at a distance of about 3m. Our experiments characterize the response of an explosive similar to LX
Autor:
James D. Walker, Sidney Chocron, Elisha Rejovitzky, Ohad Elbaz, Alexander J. Carpenter, Arthur E. Nicholls
Publikováno v:
EPJ Web of Conferences, Vol 250, p 02009 (2021)
The present work aims at presenting consistent data both from laboratory characterization and from blast tests to see how a computer model performs when only data from mechanical tests are being fed to the constitutive model. A sand (Ottawa 20-30) th
Autor:
Elisha Rejovitzky
Publikováno v:
EPJ Web of Conferences, Vol 183, p 01054 (2018)
The design of protective structures often requires numerical modeling of shock-wave propagation in the surrounding soils. Properties of the soil such as grain-grading and water-fraction may vary spatially around a structure and among different sites.
Publikováno v:
Prof. Anand via Angie Locknar
Amorphous silicon (a-Si) is a promising material for anodes in Li-ion batteries due to its increased capacity relative to the current generation of graphite-based anode materials. However, the intercalation of lithium into a-Si induces very large ela
Publikováno v:
Prof. Anand via Angie Locknar
A major mechanism for electrochemical aging of Li-ion batteries is the growth of a solid electrolyte interphase (SEI) layer on the surface of anode particles, which leads to capacity fade and also results in a rise in cell resistance. We have formula
Publikováno v:
Journal of the Mechanics and Physics of Solids. 70:1-29
We formulate a unified framework of balance laws and thermodynamically-consistent constitutive equations which couple Cahn–Hilliard-type species diffusion with large elastic deformations of a body. The traditional Cahn–Hilliard theory, which is b
Autor:
Elisha Rejovitzky, Eli Altus
Publikováno v:
International Journal of Damage Mechanics. 22:268-284
This study focuses on an analytical investigation of the common characteristics of fatigue models based on a single damage variable. The general single damage variable constitutive equation is used to extract several fundamental properties. It is sho
Autor:
Eli Altus, Elisha Rejovitzky
Publikováno v:
International Journal of Fatigue. 37:54-59
Fatigue life tests under varying stress levels have revealed deviations from the linear Palmgren–Miner (PM) rule. The non-commutative damage accumulation has been demonstrated in two-level fatigue tests: longer life under low-to-high (L-H) loading
Autor:
Eli Altus, Elisha Rejovitzky
Publikováno v:
International Journal of Fatigue. 33:1235-1243
A stochastic two-parameter Micromechanical Fatigue Model (MFM), which considers morphological aspects of microcrack coalescence and arrest, is proposed. The material is modeled as an ensemble of elements with a stochastic failure strain distribution.
Autor:
Eli Altus, Elisha Rejovitzky
Publikováno v:
Procedia Engineering. 10:1121-1126
Fatigue life formulas are still based on phenomenological models which adopt simple relations directly from experiments for different loading conditions and use fitted material parameters. The combination of enormous complexity of fatigue damage proc