Results 11 to 20 of about 6,746,241 (361)

Vorticity and Incompressible Flow. Cambridge Texts in Applied Mathematics [PDF]

open access: bronze, 2002
In this book, the theoretical and experimental analyses of the velocity fields with vorticity are applied to explain the physical phenomena of flow patterns of various types of vortex flows and of the flow structures in the boundary layer with high ...
AJ Majda, AL Bertozzi, Akiko Ogawa
openalex   +2 more sources

Mathematical Analysis of Unsteady Stagnation Point Flow of Radiative Casson Hybrid Nanofluid Flow over a Vertical Riga Sheet

open access: yesMathematics, 2022
Heat and mass transfer study of hybrid nanomaterial Casson fluid with time-dependent flow over a vertical Riga sheet was deliberated under the stagnation region.
Taqi A. M. Shatnawi   +2 more
semanticscholar   +1 more source

Foundations of Engineering Mathematics Applied for Fluid Flows

open access: yesAxioms, 2021
Based on a brief historical excursion, a list of principles is formulated which substantiates the choice of axioms and methods for studying nature. The axiomatics of fluid flows are based on conservation laws in the frames of engineering mathematics and ...
Y. Chashechkin
semanticscholar   +1 more source

Community Detection on Networks with Ricci Flow [PDF]

open access: yesScientific Reports, 2019
Many complex networks in the real world have community structures – groups of well-connected nodes with important functional roles. It has been well recognized that the identification of communities bears numerous practical applications.
Chien-Chun Ni   +3 more
semanticscholar   +1 more source

Long‐Time Instability of the Couette Flow in Low Gevrey Spaces [PDF]

open access: yesCommunications on Pure and Applied Mathematics, 2018
We prove the instability of the Couette flow if the disturbances is less smooth than the Gevrey space of class 2. This shows that this is the critical regularity for this problem since it was proved in [5] that stability and inviscid damping hold for ...
Yu Deng, N. Masmoudi
semanticscholar   +1 more source

Surface modification of PMMA polymer and its composites with PC61BM fullerene derivative using an atmospheric pressure microwave argon plasma sheet

open access: yesScientific Reports, 2021
This paper presents the results of experimental investigations of the plasma surface modification of a poly(methyl methacrylate) (PMMA) polymer and PMMA composites with a [6,6]-phenyl-C61-butyric acid methyl ester fullerene derivative (PC61BM).
Andrzej Sikora   +6 more
doaj   +1 more source

Optical image encryption using gamma distribution phase masks in the gyrator domain

open access: yesJournal of the European Optical Society-Rapid Publications, 2018
Background Optical information encryption technology has received extensive attention from researchers in recent years because of its advantages of parallel and high-speed processing capability, as well as the controllability of phase components. Methods
Wenqing Sun   +4 more
doaj   +1 more source

Advanced method of global phase shift estimation from two linear carrier interferograms

open access: yesJournal of the European Optical Society-Rapid Publications, 2018
Background Phase-shifting interferometry is a kind of important technique used in optical interference metrology. This technique has high precision and good stability, which has been widely used in scientific research and industrial production.
Wenqing Sun   +4 more
doaj   +1 more source

Improving Mathematical Meaningful Abilities of Native Students in The Pelabuhanratu Region Using an Ethnomathematics Approach

open access: yesQalamuna, 2022
Understanding that mathematics is a subject that is difficult to believe because mathematical concepts are abstract and, therefore, difficult to comprehend and understand.
Rineka Rosinansis   +2 more
doaj   +1 more source

Recent Advances in Computational Methods for the Power Flow Equations [PDF]

open access: yes, 2015
The power flow equations are at the core of most of the computations for designing and operating electric power systems. The power flow equations are a system of multivariate nonlinear equations which relate the power injections and voltages in a power ...
Mehta, Dhagash   +2 more
core   +2 more sources

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