Results 11 to 20 of about 96,995 (295)

Nonlinear input/output analysis: application to boundary layer transition [PDF]

open access: yes, 2020
We extend linear input/output (resolvent) analysis to take into account nonlinear triadic interactions by considering a finite number of harmonics in the frequency domain using the harmonic balance method.
Colonius, Tim   +2 more
core   +2 more sources

Non-similar Solutions of MHD Mixed Convection over an Exponentially Stretching Surface: Influence of Non-uniform Heat Source or Sink [PDF]

open access: yesJournal of Applied and Computational Mechanics, 2021
In this paper, an analysis of magnetohydrodynamic (MHD) mixed convection over an exponentially stretching surface in the presence of a non-uniform heat source/sink and suction/injection is presented. The governing boundary layer equations are transformed
P.M. Patil, D.N. Latha, Ali J. Chamkha
doaj   +1 more source

The Association between the Level of Advanced Glycation End Products and Objective Skin Quality Parameters

open access: yesLife, 2023
Advanced glycation end products (AGEs) represent an endogenously produced or exogenously derived group of compounds derived from nonenzymatic glycation.
Dinko Martinovic   +12 more
doaj   +1 more source

Regression analysis and features of negative activation energy for MHD nanofluid flow model: A comparative study

open access: yesPropulsion and Power Research, 2023
This article elucidates the impact of activation energy on magnetohydrodynamic (MHD) stagnation point nanofluid flow over a slippery surface in a porous regime with thermophoretic and Brownian diffusions. Negative activation energy is scarce in practice,
B. Kumar   +5 more
doaj   +1 more source

Analysis of Influence Factors of Negative Skin Friction on PHC Pile in High-Backfill Sites

open access: yesFrontiers in Physics, 2022
It is recognized that NSF on a pile affects the structural and geotechnical design. The formation of NSF on a pre-stressed high-strength concrete (PHC) pile under a control building in a Vietnamese project was investigated using a verified numerical ...
Xiong Gen   +7 more
doaj   +1 more source

Roughness effects in turbulent forced convection [PDF]

open access: yes, 2018
We conducted direct numerical simulations (DNSs) of turbulent flow over three-dimensional sinusoidal roughness in a channel. A passive scalar is present in the flow with Prandtl number $Pr=0.7$, to study heat transfer by forced convection over this rough
Chung, D., Hutchins, N., MacDonald, M.
core   +2 more sources

Analytical Solution for Negative Skin Friction in Offshore Wind Power Pile Foundations on Artificial Islands under the Influence of Soil Consolidation

open access: yesJournal of Marine Science and Engineering, 2023
The construction of offshore wind power pile foundations on artificial islands is a challenging task due to soil consolidation and additional loads that result in negative skin friction (NSF). In this study, a comprehensive pile–soil interaction model is
Chong Jiang, Zexiong Shi, Li Pang
doaj   +1 more source

Solutions of the Navier–Stokes Equation at Large Reynolds Number [PDF]

open access: yes, 1975
The problem of two-dimensional incompressible laminar flow past a bluff body at large Reynolds number (R) is discussed. The governing equations are the Navier-Stokes equations. For R = ∞, the Euler equations are obtained. A solution for R large should be
Lagerstrom, Paco A.
core   +1 more source

Numerical analysis of negative skin friction on piles in soft clay

open access: yesHBRC Journal, 2013
Negative skin friction is considered one of the problems in the design of piled foundations in soft soil. The negative skin friction induces an additional compressive force on the pile called the dragload as well as, an additional pile movement called ...
Yasser M. El-Mossallamy   +3 more
doaj   +1 more source

Fractional analysis of unsteady squeezing flow of Casson fluid via homotopy perturbation method

open access: yesScientific Reports, 2022
The objective of this article is to model and analyze unsteady squeezing flow of fractional MHD Casson fluid through a porous channel. Casson fluid model is significant in understanding the properties of non-Newtonian fluids such as blood flows, printing
Mubashir Qayyum   +7 more
doaj   +1 more source

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