Results 91 to 100 of about 469 (264)
Deep Underground Science and Engineering, EarlyView.Aiming at the scientific frontiers of in situ fluidized mining of deep resources, a deep coal fluidized pipeline lifting system based on hydraulic conveying has been proposed. To solve the issue of particle sedimentation of large particles in horizontal connection sections, a solution involving the installation of guide vane‐type swirlers in the ...
Jiusheng Bao +5 more
wiley +1 more source
Modeling and analysis for the transmission dynamics of cotton leaf curl virus using fractional order derivatives. [PDF]
Heliyon, 2023 Fantaye AK, Birhanu ZK.
europepmc +1 more source
Study on fracture parameter calibration and failure characteristics of rock with hole and crack
Deep Underground Science and Engineering, EarlyView.The SIF and plastic zone equations for a single hole and crack have been derived. The model's failure state leads to the identification of four types of cracks. The plastic zone increases with increased brittleness and decreased crack length. Abstract Cracks within the surrounding rock of roadways significantly affect their stability and failure ...
Shaochi Peng, Wensong Wang
wiley +1 more source
, 2016 In this chapter Euler-Lagrange equations and the boundary conditions for a given Functional with only one independent variable with second order derivatives are derived. A general approach for solving one dimensional structures follows next. Euler-Lagrange equation leading to optimization is explained next by considering Brachistochrone problem.
openaire +2 more sources
A new approach to solve the Brachistochrone problem by constructing a lattice unit cell. [PDF]
Heliyon, 2022 Abdul-Hafidh EH.
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Deep Underground Science and Engineering, EarlyView.This paper investigates the high‐pressure water jet‐pick combined rock‐breaking mode (HPC), which employs high‐pressure water jets to precut grooves on both sides of the picks. The rock‐breaking patterns and performance of the HPC method are obtained, and the auxiliary rock‐breaking mechanism of water jet grooving is revealed.
Jingjing Lu +6 more
wiley +1 more source
Nonlinear Dynamic Analysis of Bistable Piezoelectric Energy Harvester with a New-Type Dynamic Amplifier. [PDF]
Comput Intell Neurosci, 2022 Man D, Xu G, Xu H, Xu D, Tang L.
europepmc +1 more source
Deep Underground Science and Engineering, EarlyView.This review elucidates the velocity–dispersion–attenuation coupling mechanisms of wave propagation in rock masses, compares six representative models, and reveals how pressure, temperature, mineral composition, and anisotropy jointly control dynamic responses in complex geological media.
Jiajun Shu +8 more
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Studying the influence of external moment and force on a disc's motion. [PDF]
Sci Rep, 2022 Amer TS, Amer WS, El-Kafly H.
europepmc +1 more source
Biophysical processes of morphogenesis in lizard lungs
Developmental Dynamics, EarlyView.Abstract Background The lungs of squamate reptiles (lizards and snakes) are highly diverse, exhibiting single chambers, multiple chambers, transitional forms with two to three chambers, along with a suite of other anatomical features, including finger‐like epithelial projections into the body cavity known as diverticulae.
Kaleb Hill +9 more
wiley +1 more source