However, in the second method, the formulae for these quantities are inferred from a specifically derived conservation relation_ The validity of the results of the first method cannot be questioned. It is shown that the errors in the results of the second method are due to the presence of a...
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1. A fluid pressurization unit for accumulating energy from natural wave action on a body of water such as an ocean, the unit comprising: (a) a floating component having sufficient buoyancy to float on water waves and having a compression chamber with an inlet valve biased to receive a fluid...
The group velocities associated with the guided waves are first discussed. The group velocity of a purely or lightly damped propagating branch j can be readily expressed from the calculated wavenumbers as follows:cjg(ω)=∂ω∂(Re{kj}).However the use of this basic formula in the context ...
It is clear from their formulae that all the waves match in tangential oscillation, as this is governed by the tangential wavenumber kt in both cases. It is however also clear that they will not match in magnitude, since the plane waves in Section 3.1.1 are unitary and the cylindrical wav...
The underlying conceptual mechanism in both cases relies on the formulation of the wind stress, which is here computed using a bulk formula41 and including a wind stress correction to account for the wind response (mimcking coupled models in forced numerical simulations), following Renault et al....
ABSTRACTAnempiricalformulatodescribetherelationofparticlevibrationvelocitytoexplosive’squantityanddistancefromtheexplosioncenterisusedintheblastingengineeringfield.Basedonthisformula,anewempiricalequationtocharacterizetherelationofparticlevibrationvelocitytohypocenterenergyanddistancetothehypocenterispresentedinthisarticle,...
The formula and figures of the dissipation rate of specific energy expressed by the changing rate of acceleration are established. 为了避免加速度变化率过大引起车辆急动而造成安全事故,分析了加速度变化率与汽车制动器比能量耗散率的关系,讨论了加速度变化率对汽车制动器摩擦衬片磨损特性的影响,建立了用加速...
Potential energyis present in an object that is affected by a force field. One example is water in ahydropower plant. Calculations of potential energy are made according to the following formula (2.2)E=m·g·h whereEis the energy (J);mis the mass (kg);gis the gravity acceleration (m/s2...
View in ScopusGoogle Scholar [17] E. Infeld, G. Rowlands Nonlinear Waves, Solitons and Chaos Cambridge Univ. Press, New York (1990) Google Scholar [18] K. Liu, X. Wu An extended discrete gradient formula for oscillatory Hamiltonian systems J. Phys. A: Math. Theor., 46 (2013), Article...