粘彈性波 的英文怎麼說
中文拼音 [niándànxìngbō]
粘彈性波
英文
viscoelastic wave-
Stability of travelling waves for non - convex system of one - dimensional viscoelastic materials with boundary effect
具邊界效應一維粘彈性物質的非凸方程組行波解的穩定性Viscoelastic wave equation forward modeling and migration
粘彈性波動方程正演和偏移Analysis of stress wave when piling viscoelastic pile
粘彈性樁打樁過程中的應力波分析In this way, corresponding to every single viscoelastic random medium model, we can calculate and gained 6 different wave field characteristic quantities
這樣，對應每一個粘彈性隨機介質模型，我們均可計算得到6個不同的波場特徵量。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。Investigation of waves behavior in a finite deformation viscoelastic rod
有限變形粘彈性桿的波動行為研究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。To study the wave field characteristics of 2 - d viscoelastic random medium, we divide up the theoretic recording sections ( vertical component ) into two different time sectors, and separately calculated and extracted the three statistical characteristics ( horizontal center frequency, vertical center frequency and relative magnitude of the wave field energy ) in the two different time sectors
為研究粘彈性隨機介質模型中的波場特徵，我們在理論記錄（垂直分量）剖面上選取兩個時間區段；在這兩個不同的時間區段上，分別計算剖面的三個統計特徵（橫向中心頻率、縱向中心頻率、波場能量相對值） 。Since about ten years, the theory of determining the viscoelastic properties of solids by transient wave propagation methods is developed and perfected by scholar mr. blanc
最近十年來，用應力波傳播方法對粘彈性材料性質的鑒定理論已被法國學者布蘭克先生發展和完善。Based on the sound wave transferring theory of infinite elastic and viscoelastic materials with the method of transferring matrix, the formulas of transmission coefficient and the level of sound insulation are gained, which consider shearing strength in the rubber, and the sound insulation properties of compound structures are discussed in condition of oblique incidence
摘要基於無限大彈性體和粘彈性體的波傳遞理論，採用傳遞矩陣的方法，對斜入射情況下的透射系數和隔聲量進行了理論推導，考慮了聲波在橡膠中傳播所產生的剪切力，並就單層復合結構的隔聲性能進行了詳細的研究，進而也分析了多層復合結構的隔聲性能。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。Under the assumptions of non - convexity and non - degeneration, it is proved that the solutions of the initial - boundary problem to this viscoelastic model tend towards the travelling wave solution of the corresponding cauchy problem time - asymptotically for zero boundary speed and small initial perturbation by a weighted energy method
對粘彈性模型，用權能量方法證明了在非凸非退化的情形下，當邊界速度為0 ，初始值具有小擾動時，具初邊值問題的解收斂于相應的柯西問題的行波解。In fact, the constitutive models employed in both methods could not re - produce the dynamic behaviour of soil to non - proportional cyclic loading, such as waves loading. to simulate dynamic responses of elastic, visco - elastic and elasto - plastic sea beds, linear and / or non - linear numerical models based on generalized biot ' s theory are developed together with stable and effective algorithm. the difficulty in numerical computation made the generalized biot ' s theory be difficult to be put into practice in the field of geotechnical engineering
上述兩種方法採用的土體本構模型都不能再現砂土在暴風浪等非比例加載條件下的動力特性，本文基於廣義biot理論提出了波浪作用下海床線性或非線性動力響應的耦合計算模型與穩定、高效數值演算法，分別針對土的彈性、粘彈性與彈塑性本構關系，對海床的動力響應進行了有限元數值模擬與分析。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。Trough the staggered - mesh finite difference simulations of the wave equations, simulated the propagation of the seismic wave and the relevant zero offset time record in the 2d viscoelastic random medium models
摘要通過交錯網格有限差分正演，模擬了平面地震波在二維粘彈性隨機介質模型中的傳播及其自激自收時間記錄。Viscoelastic wave equation
粘彈性波動方程On the basis of three - dimensional axially symmetrical soil model and taking consideration of vertical wave effect of soil layer, the interaction between visco - elastic layered soil and an integral pile or a multi - defective pile with arbitrary bottom boundaries and its engineering application is systematically studied in this dissertation
本文從三維軸對稱土模型出發，較系統地對考慮樁周土豎向波動效應、任意樁底支承邊界條件下、成層粘彈性土中完整樁及變阻抗樁與土縱向耦合振動理論及其工程應用進行了研究。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。Considering the difference of time that the wave crest reaches the adjacent platforms, the adjacent offshore platform vibration control with viscoelastic dampers is studied as well. the results show it is effective to control the vibration of offshore platform with viscoelastic dampers
考慮波浪峰值先後到達相鄰平臺的時間不同，研究了採用粘彈性阻尼器的相鄰海洋平臺的振動控制；分析了利用粘彈性阻尼器對海洋平臺進行振動控制的有效性。分享友人