按等级
发表于 2025-3-28 17:30:25
https://doi.org/10.1007/978-981-97-0930-4is formulated and solved as a multiple scales perturbation problem, using the Mach number . based on the surface velocity as the perturbation parameter. Following the idea of multiple scales, new “slow” spacial scales are introduced, which are defined as the usual physical spacial scale multiplied b
悄悄移动
发表于 2025-3-28 22:02:53
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Reverie
发表于 2025-3-29 02:06:34
https://doi.org/10.1007/978-981-97-0930-4gators. It is easy to show that the computed acoustic wave solutions are good approximations of those of the exact solutions of the linearized Euler equations as long as the wavenumbers are in the long wave range. Computed waves with higher wavenumber, or the short waves, generally have totally diff
饮料
发表于 2025-3-29 05:02:37
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发芽
发表于 2025-3-29 10:21:03
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斥责
发表于 2025-3-29 11:54:06
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Harass
发表于 2025-3-29 17:21:53
Thermoporometry and Scattering, noise. That work has more or less dominated the subsequent development of this field, which has received renewed attention over the past few years as a result of recent efforts to develop an updated high speed transport — whose successes will largely depend on whether its jet exhaust noise can be r
endure
发表于 2025-3-29 20:50:49
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夹死提手势
发表于 2025-3-30 02:18:08
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Indolent
发表于 2025-3-30 04:27:58
https://doi.org/10.1007/978-3-319-55875-2the case. These cases can serve as valuable tests of computational aeroacoustic algorithms and boundary conditions. The simple class of problems considered in the present paper involves the radiation of sound by vortex flows. The interesting feature of these flows is that the loss of angular momentu