Results 11 to 20 of about 161,530 (168)

Stability Index of Surrounding Rock during Deep Rock Excavation Considering Energy Release Speed

open access: yesApplied Sciences, 2023
Rockburst is a kind of dynamic rock failure process that is easily induced by the excavation of a high-stress rock mass. However, from an energy perspective, the existing indexes for rockburst tendency have a limitation in that they do not consider the ...
Sheng Luo   +6 more
doaj   +1 more source

Delamination Analysis of Multilayered Functionally Graded ‎Beams which Exhibit Non-linear Creep Behavior [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2023
General solution of the time-dependent strain energy release rate for delamination cracks in multilayered functionally graded load-bearing beam structures which exhibit non-linear creep is derived.
Victor Rizov
doaj   +1 more source

Energy release rate for cracks in finite‐strain elasticity

open access: yesMathematical Methods in the Applied Sciences, 2007
AbstractGriffith's fracture criterion describes in a quasistatic setting whether or not a pre‐existing crack in an elastic body is stationary for given external forces. In terms of the energy release rate (ERR), which is the derivative of the deformation energy of the body with respect to a virtual crack extension, this criterion reads: if the ERR is ...
Knees, Dorothee, Mielke, Alexander
openaire   +2 more sources

Steel plate cold commercial - carbon fiber reinforced plastics hybrid laminates for automotive applications: curing perspective with thermal residual effect

open access: yesJournal of Materials Research and Technology, 2021
The curing effect on hybrid materials consisting of steel plate cold commercial - carbon fiber reinforced plastics (SPCC-CFRP) hybrid laminates that have potential applications in automobile structures were evaluated in the present study.
Muhammad Akhsin Muflikhun   +1 more
doaj   +1 more source

Moving interfacial Griffith crack between bonded dissimilar media

open access: yesJournal of Applied Mathematics, 2005
The plane strain problem of determining strain energy release rate, crack energy, and crack-opening displacement (COD) for a moving Griffith crack at the interface of two dissimilar orthotropic half-planes is considered.
S. Mukherjee, S. Das
doaj   +1 more source

Dynamic characteristics of enhanced Al/PTFE and real-time quantitative evaluation of impact release energy under vacuum environment

open access: yesResults in Physics, 2021
Aluminum/Polytetrafluoroethylene (Al/PTFE) reactive material occurs chemical reaction and release a large amount of energy under the impact load, which has the dual characteristics of strength and energy release, so it can be applied to the attack of ...
Enling Tang   +8 more
doaj   +1 more source

Analysis of Two Lengthwise Cracks in a Viscoelastic Inhomogeneous Beam Structure

open access: yesEngineering Transactions, 2020
The present paper considers the time-dependent fracture in a continuously inhomogeneous viscoelastic cantilever beam with two lengthwise cracks.
Victor Iliev RIZOV
doaj   +1 more source

Research on Energy Dissipation Laws of Coal Crushing under the Impact Loads

open access: yesShock and Vibration, 2021
Dynamic crushing characteristics of coals are closely related with energy absorption and release of coals under certain strain rate. Hence, it is necessary to investigate energy dissipation laws of coal crushing under the impact loads with different ...
Dengke Xu   +3 more
doaj   +1 more source

Delamination Fracture Analyses of Linear-Elastic Functionally Graded Beams

open access: yesEngineering Transactions, 2017
An analytical approach for investigation of delamination cracks in three-dimensional functionally graded linear-elastic beams was developed. Beams which are functionally graded along their width, height and length were analyzed.
Victor Iliev RIZOV
doaj   +1 more source

The Effect of Delamination Between Layers in U-shaped Members Made of Functionally Graded Multilayered Viscoelastic Materials [PDF]

open access: yesJournal of Applied and Computational Mechanics
This theoretical work deals with delamination in U-shaped load-carrying structural members. The latter represent multilayered functionally graded systems of non-linear viscoelastic behaviour.
Victor Rizov
doaj   +1 more source

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