马用
发表于 2025-3-21 19:51:33
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无瑕疵
发表于 2025-3-21 23:48:18
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CHAFE
发表于 2025-3-22 03:59:23
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撕裂皮肉
发表于 2025-3-22 04:37:21
Ros Derrettsolutions. Depending on the frequency of the driving forces a possible form of wave formation in a hollow cylinder is explored. The asymptotic behaviour of the solutions of three-dimensional dynamic problems of elasticity theory is studied as the wall-thickness parameter tends to zero hence correspo
ACE-inhibitor
发表于 2025-3-22 11:58:30
Angie Hart,Kim Aumannferential equations of the flexural vibrations of beams by what we now call the variational principle of stationary action. They determined the eigenfunctions and the eigenfrequencies of a beam in the six cases of boundary conditions corresponding to the free, clamped or fixed edges. The BernoulliEu
lethal
发表于 2025-3-22 14:54:06
Ruth Williams,Allan Cochranel analysis, and constrained-layer damping treatment.Provides.Due to strong potential applications and more demanding requirements imposed upon long and thick cylindrical structures, there has been increasing research and development activities during recent years in the field of vibration and passiv
Notify
发表于 2025-3-22 20:53:56
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WATER
发表于 2025-3-23 00:47:17
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即席
发表于 2025-3-23 04:48:53
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展览
发表于 2025-3-23 05:50:59
Laura Saija of aircraft fuselage stiffened by orthogonally distributed rib-stiffeners and subjected to external jet noise in the presence of convected mean flow. The focus is placed upon quantifying the effects of external mean flow on the aeroelastic-acoustic characteristics of the rib-stiffened plate. The Eu