Results 31 to 40 of about 1,603,370 (304)

Wave reflection from submerged rectangular obstacles: experiments and predictive formula

open access: yesActa Scientiarum: Technology, 2018
This paper presents an experimental study on wave reflection from submerged rectangular objects (shelves) in a 2-D laboratory flume. Preliminary tests using resistive wire probes and an acoustic Doppler anemometer were first conducted to confirm that a ...
Iran Lima Neto
doaj   +1 more source

A Dimensional Comparative by Computed Tomography of Path Printed Fabrication Algorithms of a Multi-Geometric Piece

open access: yesIEEE Access, 2023
The use and advancement of manufacturing technologies related to additive manufacturing significantly increased in the final decade of the 20th century.
Sinue Ontiveros   +3 more
doaj   +1 more source

Proximate Model of Gear Drive Units Based on Dimensional Analysis for Wear Process Evaluation

open access: yesMachines, 2022
Excessive wear of gears will not only cause noise and vibration in the transmission system, but also reduce transmission efficiency and accuracy in severe cases, causing irreversible losses to the transmission system.
Wenhua Wang   +6 more
doaj   +1 more source

Modification of three-dimensional transition in the wake of a rotationally oscillating cylinder [PDF]

open access: yes, 2010
A study of the flow past an oscillatory rotating cylinder has been conducted, where the frequency of oscillation has been matched to the natural frequency of the vortex street generated in the wake of a stationary cylinder, at Reynolds number 300.
Leontini, Justin S.   +7 more
core   +1 more source

Identification and validation of the VEGF/p38MAPK/HSP27 pro-tumor inflammatory pathway: screening of active components from Patrinia villosa and evaluation of their drug-likeness

open access: yesFrontiers in Immunology
BackgroundColorectal cancer (CRC) remains a leading cause of cancer-related mortality worldwide, with pro-tumor inflammation playing a critical role in its initiation and progression.
Xiaochen Li   +21 more
doaj   +1 more source

Decompression Load Analysis in Large Passenger Planes with Windshield Cracked

open access: yesAerospace, 2022
To prevent the possible accident of a large passenger plane due to rapid decompression, transient load analysis is of vital importance in the assessment of structure strength and also an important clause of airworthiness standard.
Wenbin He   +6 more
doaj   +1 more source

Dimensional analysis: with case studies in mechanics

open access: yes, 2011
Dimensional analysis is an essential scientific method and a powerful tool for solving problems in physics and engineering. This book starts by introducing the Pi Theorem, which is the theoretical foundation of dimensional analysis.
Qing-Ming Tan, Tan QM(谈庆明)
core   +1 more source

Three-dimensional eddy current analysis by the boundary element method using vector potential [PDF]

open access: yes, 1990
A boundary-element method using a magnetic vector potential for eddy-current analysis is described. For three-dimensional (3-D) problems, the tangential and normal components of the vector potential, tangential components of the magnetic flux density ...
Tsuboi, H., Tanaka, M.
core   +1 more source

IMPROVING THE DESIGNING OF MECHANICAL TECHNOLOGIES THROUGH OPTIMIZED DIMENSIONAL STRUCTURES

open access: yesJournal of Engineering Science (Chişinău), 2023
Modern trends in technological development related to the use of numerical control machine tools are manifested by minimizing the number of technological operations, installations, operation elements.
STRONCEA, Aurel
doaj   +1 more source

Two-dimensional cache-oblivious sparse matrix–vector multiplication

open access: yes, 2011
In earlier work, we presented a one-dimensional cache-oblivious sparse matrix–vector (SpMV) multiplication scheme which has its roots in one-dimensional sparse matrix partitioning.
Bisseling, R.H.   +3 more
core   +1 more source

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