Results 251 to 260 of about 9,353 (305)

Research on rock damage characteristics of gravity tunneling machine based on different rotational speeds. [PDF]

Sci Rep
Jin XF, Chen XM, Jiao HZ, Yang Z, Zhang JL, Li Y, Cao JF.   +6 more
europepmc   +1 more source

Gait Planning and Load-Bearing Capacity Analysis of Bionic Quadrupedal Robot Actuated by Water Hydraulic Artificial Muscles. [PDF]

Biomimetics (Basel)
Li J, Zhang Z, Feng S, Yang Y, Gong Y.
europepmc   +1 more source

Dynamic response of tri-layered functionally graded-viscoelastic-piezomagnetic cylindrical tunnel excited by circumferential shear horizontal waves. [PDF]

Sci Rep
Gupta V, Flah A, Yaylacı M, Sur A, Pergl I, Ghatasheh M, Das S.   +6 more
europepmc   +1 more source

Internal Gravity Waves

, 2013
This chapter focuses on internal gravity waves in a stable thermal stratification. When the amplitude of the fluid velocity is small relative to the amplitude of the phase velocity, a linear analysis, which neglects advection, provides insight to the relation between the wavelength and frequency of internal gravity waves.
Gary A. Glatzmaier
openaire   +2 more sources

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Near-Inertial Internal Gravity Waves in the Ocean

Annual Review of Marine Science, 2016
We review the physics of near-inertial waves (NIWs) in the ocean and the observations, theory, and models that have provided our present knowledge. NIWs appear nearly everywhere in the ocean as a spectral peak at and just above the local inertial period f, and the longest vertical wavelengths can propagate at least hundreds of kilometers toward the ...
Matthew H Alford, Jennifer A Mackinnon, Harper L Simmons   +2 more
exaly   +3 more sources

Generation of Internal Gravity Waves Far from Moving Non-Local Source

Symmetry, 2020
We consider analytical solutions describing the generation of internal gravity waves far from a non-local source of disturbances. We suppose that the source moves on the surface of stratified medium of a finite depth.
V V Bulatov
exaly   +2 more sources

From Topographic Internal Gravity Waves to Turbulence

Annual Review of Fluid Mechanics, 2017
Internal gravity waves are a key process linking the large-scale mechanical forcing of the oceans to small-scale turbulence and mixing. In this review, we focus on internal waves generated by barotropic tidal flow over topography. We review progress made
Sutanu Sarkar, Alberto Scotti
exaly   +3 more sources

Nonlinear internal gravity wave beams

Journal of Fluid Mechanics, 2003
Based on linear inviscid theory, a two-dimensional source oscillating with frequency $\omega_{0}$ in a uniformly stratified (constant Brunt–Väisälä frequency $N_{0}$) Boussinesq fluid induces a steady-state wave pattern, also known as St Andrew's Cross, that features four straight wave beams stretching radially outwards from the source at angles $\pm ...
Tabaei, Ali, Akylas, T. R.
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Multisolitons in the surface gravity waves and internal waves

Modern Physics Letters B, 2023
In this paper, a five-order Korteweg–de Vries (KdV) equation is studied, which is used to describe the nonlinear phenomena in the fluids, especially those of the surface gravity waves and internal waves in the stratified fluids. (a) Via the symbolic calculation, this KdV equation cannot pass the Painlevé test without any constraint conditions.
Hui-Xian Jia, Ji-Ying Ma, Yu-Jun Liu, Jing Zhang   +3 more
openaire   +1 more source

Moments of internal gravity waves

The Journal of the Acoustical Society of America, 2001
Observations have revealed the widespread distribution of internal waves in deep oceans, shallow seas, lakes and reservoirs. Much theoretical, numerical, laboratory and field work has studied their generation and propagation, and in particular significant progress has been made in internal solitary wave research.
Tao Wang, Tian-Fu Gao, Li Ma
openaire   +1 more source