Results 1 to 10 of about 10,859 (156)
Algebraic solution for the classical harmonic oscillator
Revista Brasileira de Ensino de Física, 2023 The harmonic oscillator is one of the most studied systems in Physics with a myriad of applications. One of the first problems solved in a Quantum Mechanics course is calculating the energy spectrum of the simple harmonic oscillator with analytic and ...
Murilo B. Alves
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Effects of rotor separation on the axial descent performance of dual-rotor configurations
Flow, 2023 Rotorcraft can encounter highly unsteady flow when descending at a steep angle, leading to a flow condition called vortex ring state, which is associated with strong oscillatory airloads and substantial losses in mean rotor thrust.
Marcel Veismann +2 more
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Flow, 2021 It is demonstrated how aqueous droplets with volumes down to the sub-femtolitre range can be manipulated, including the withdrawal of minute samples from the droplets.
Mostafa Shojaeian, Steffen Hardt
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Research on simulation technology of wireless sensor in swimming mechanics
EURASIP Journal on Wireless Communications and Networking, 2020 In order to improve the quantitative teaching level of swimming sports, it is necessary to carry out quantitative analysis of swimming sports mechanics. A method of swimming mechanics analysis based on computer simulation technology is proposed. The ARMA
Zhiwen Xu
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Emergence of in-line swimming patterns in zebrafish pairs
Flow, 2021 Mathematical models promise new insights into the mechanisms underlying the emergence of collective behaviour in fish. Here, we establish a mathematical model to examine collective behaviour of zebrafish, a popular animal species in preclinical research.
Maurizio Porfiri +3 more
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Flow, 2021 In recent years, observations of the atmospheric surface layer have greatly promoted research on high-Reynolds-number wall-bounded turbulence, especially observations of wind-blown sand flows/sandstorms, which are typical sand-laden two-phase flows ...
Hongyou Liu, Xiaojing Zheng
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Time scales of dynamic stall development on a vertical-axis wind turbine blade
Flow, 2023 Vertical-axis wind turbines are excellent candidates to diversify wind energy technology, but their aerodynamic complexity limits industrial deployment.
Sébastien Le Fouest +2 more
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Accurate analytic approximations to eigenvalues anharmonic potentials x2+λx8
Results in Physics, 2020 Precise analytic approximations have been found for the eigenvalues of the ground state in the anharmonic potentials x2+λx8. Rational functions combined with fractional powers are used to determine the new approximations.
Pablo Martin +2 more
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On the thermal effect of porous material in porous media Rayleigh–Bénard convection
Flow, 2023 We perform a two-dimensional numerical study on the thermal effect of porous media on global heat transport and flow structure in Rayleigh–Bénard (RB) convection, focusing on the role of thermal conductivity $\lambda$ of porous media, which ranges from ...
Jun Zhong, Shuang Liu, Chao Sun
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Resolvent analysis of a finite wing in transonic flow
Flow, 2023 Shock waves interacting with turbulent boundary layers on wings can result first in self-sustained flow unsteadiness and eventually in structural vibration.
Jelle Houtman +2 more
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