粘性衰減 的英文怎麼說
中文拼音 [niánxìngshuāijiǎn]
粘性衰減
英文
viscous damping-
So we do n ' t ignore the effect of inner amortisseur of these materials, these similar materials are called the viscoelastic
在對大多數這樣材料的研究時，我們不再忽略它們的內部衰減的影響，這些材料為粘彈性材料。Two of the most predominant characteristics of surface wave are dispersion and attenuation which are the effective tools to study the velocity structure and viscidity structure of the earth interior
頻敵和衰減是面波傳播中的兩個基本特徵，利用面波頻散和衰減可以有效地研究地球內部速度結構和粘彈性結構。The numerical simulations show that the phase plane and amplitude plane in orthotropic fluid - saturated porous media is not paralleled to each other any more though the dispersion caused by the fluid is omitted. it is one kind of non - homogeneous wave. the maximum attenuation is no longer
指出由於介質的各向異性，盡管忽略了流體粘度引起的粘度耗散，正交各向異性液飽和多孔介質中瑞利波的相平面和幅平面亦不再重合，為非均勻波，最大的衰減不再沿波傳播方向。A method is provided to measure the friction parameters of the bed. the maximum friction torque, coulomb friction torque, viscous friction coefficient and moment of inertia can be gotten by fitting the free reduced rate curve of the gimbals and measuring the motor current when the motor begins to rotate
提出了一種測量轉臺摩擦特性的方法，通過對轉臺在無外推力作用下的速度衰減曲線的擬合以及電機啟動過程電流和轉速的測量，可以得到最大靜摩擦力矩、庫侖摩擦力矩、粘滯摩擦系數及轉動慣量。By using the attenuation property of the rayleigh surface wave to invert the quality factor of crust and upper mantle, this paper yields the s - wave quality factor 3d structure of crust and upper mantle of china, and the viscidity structure of this area as well
本文主要通過rayleigh面波衰減反演地殼上地幔s波品質因子q _ ，建立了中國大陸地殼上地幔s波品質因子全三維結構。探討了中國大陸區域地球內部粘彈性結構。Attenuation characteristic of fast wave, slow wave, quasi - transverse wave and anti - plane transverse wave are discussed and the combined effects of the anisotropy of the solid skeleton and fluid viscosity on the propagation characteristic of plane waves are analyzed numerically. the influence of horizontal anisotropy and fluid viscosity on the propagation characteristic of elastic waves is clarified
討論了液飽和多孔介質中快波、慢波，準剪切波和反平面剪切波的衰減特性，並分析了固體骨架異性以及流體粘度的綜合效應對平面波傳播特性的作用，澄清了介質水平面內異性以及流體粘度對彈性波傳播特性的影響。Self adhesive tapes. flagging of adhesive tape
自粘帶.膠粘帶的性能衰減Any homogeneous viscoelastic medium subjected to one - dimensional tension and compression can be characterized in terms of the phase velocity c ( w ) and the attenuation coefficient deduce the complex modulus and the other equivalent viscoelastic functions
一維的縱向壓縮波在同質的粘彈性介質中傳播時，材料的粘彈性特性主要通過縱向波的傳播速度c （ w ）和衰減系數a （ w ）兩項來定義。In viscoelastic media, the high frequency waves propagate and are damped more quickly than the low frequency ones, so that the shape of the wave will change continuously as it propagates
在粘彈性介質里，頻率高的波相對于頻率低的波而言不僅傳播快，同時也衰減快，這樣在傳播的過程中它的波形發生連續微小的變化。We have deduced mathematical equations modeling its vibration and studied the stability of the semigroup associated with the equation system. we obtain the exponential stability under certain hypotheses of smoothness and structural condition of the coefficients of the system, applying the relaxation function decays exponentially. this result does not need the continuity of the damping coefficient at the interface
對于具有局部粘彈性阻尼的高維波方程的能量的指數衰減問題， liuetal . 51 }和riveraetal . 63分別對k一v型和boltzmann型的情形進行了研究，在假設了阻尼系數是光滑的並且附加了一些結構性條件的情形下，得到了指數穩定性的結果。分享友人