elastic waves 中文意思是什麼

elastic waves 解釋
彈性波
  • elastic : adj. 1. 有彈力[彈性]的。2. 伸縮自如的，靈活的。3. 機變的，輕快的。n. 橡皮線，松緊帶，橡皮圈。adv. -ally
  • waves : WAVES ＝ Women Accepted for Volunteer Emergency Service 〈美舊〉（海軍）婦女預備隊。
  1. From an earthquake source within an elastic medium, both types of body waves will propagate outward into the medium.

    這兩種體波將從彈性介質中的震源出發，向外傳播到介質中去。
  2. The equations of motion governing the axisymmetric elastic deformation of finite orthotropic cylindrical shells, involving the effect of transverse shear and rotational inertia, are derived. by applying the reverberation method, the displacement and the resultant forces of the shell in the phase space are expressed. then the transient waves in the finite orthotropic cylindrical shell subjected to the axisymmetric impact are obtained by using inverse laplace transforms. furthermore, the transient solutions are decomposed to the generalized ray integrals and computed numerically

    分析了計及剪切變形和轉動慣性的有限長正交異性圓柱殼中彈性瞬態波的傳播問題，採用回傳矩陣法，在相空間中給出了位移和內力的表達式。再利用laplace逆變換，得到正交異性圓柱殼受軸對稱沖擊作用時彈性瞬態波解，然後將其分解為若干廣義射線積分之和，並用數值方法求解之。
  3. A complete study of the propagation of shock waves in elastic solids is presently lacking.

    關于彈性固體中沖擊波的傳播，目前還缺少全面的研究。
  4. We shall see that ( 7. 5. 25 ) is none other than the celebrated snell ' s law applied to elastic waves

    我們很快就將看到， （ 7 5 25 ）恰恰就是應用彈性波上的有名的斯涅耳定律。
  5. H. - h. hung, y. - b. yang, “ elastic waves in visco - elastic half - space generated by various vehicle loads ”, solid dynamics and earthquake engineering, 21 ( 2001 ), 1 - 17

    吳政樺， 「高速移動載重在半無限域彈性體表面振動之模擬」 ，國立成功大學土木工程學研究所碩士論文， 1999年6月。
  6. It consists of two parts : the first part ( chapter 2, 3, 4, 5 ) studies the characteristic of elastic waves and surface waves in orthotropic fluid - saturated porous media using biot ' s theory which is based on the substitutive model. in the second one ( chapter 6 ), a new three - dimensional meso - calculating model, which is more coincided with the inner action mechanism of porous media, is proposed. based on this model, the elastic wave propagation in fluid - saturated porous media under longitudinal impacting is discussed

    論文主要分為兩大部分：第一部分基於替代模型的biot理論，對各向異性介質中平面波以及表面波的傳播特性進行了研究；第二部分從細觀層次出發，提出了一個更加符合含液飽和多孔介質內部作用機理的三維細觀計算模型，並對縱向沖擊載荷作用下液飽和多孔介質中彈性波的傳播規律進行了討論。
  7. The results show that : 1 ) the effects of interface on waves scattering are stronger in the structure with the interface perpendicular to the direction of fracture normal than that in the structure with the interface parallel to the direction of fracture normal. 2 ) when the interface is perpendicular to the direction of fracture normal, the amplitude of reflected waves and converted s - waves are higher and there are the sub - p - and sub - s - wave. 3 ) when the elastic waves propagating in the multi - stripe model, wavesforms become complex due to multiple scattering on interfaces

    研究結果表明： 1 ）界面與裂縫排列方向平行時，界面對波的散射作用大於界面與裂縫排列方向垂直時的情況； 2 ）當界面與裂縫排列方向平行時，在界面上產生的反射波及轉換的橫波幅度較大，並且有次級縱波和橫波產生； 3 ）彈性波在多條紋結構中傳播時，在界面上產生多次散射使得波形十分復雜。
  8. There are two kinds of elastic waves in solids a compressional wave and a transverse wave.

    在固體中有兩類彈性波，一類是壓縮波，另一類是橫波。
  9. Visualized method for elastic waves propagating in structure

    結構中彈性波傳播的可視化方法
  10. Fem with absorbing boundary condition and expansion of discrete chebyshev polynomials for inverse problem of elastic waves

    基於吸收邊界條件的有限元方法和離散切比雪夫展開的二維缺陷識別
  11. 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。
  12. The thesis included two main following parts : 1. based on the dynamics equation of a beam, the wave model of one was derived, so did the relation between the power flow of the elastic waves and the vibration energy. at last, the function of the compensator was attained by applying knowlage about h2

    本文主要包括以下兩個方面的工作： 1以梁的動力學方程為基礎，推導了梁的波動模型以及彈性波的能流強度和梁振動能量的關系，最後應用二范數理論確定了控制器的補償函數。
  13. In the process of building and using the mass concrete structures, because of the effect of out - side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance using nondestructive testing method to test the concrete ' s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseases this dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic fem to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, researched the principles of the first - arriving waves " phase when the cracks " depths are not same, obtained the relation between the inversion point and the cracks " depth, which has the direction sense in the application of projects, the second part of this dissertation is ct, which used the ultrasonic wave running through the tested - substance to get arriving - time of the ultrasonic wave, then inverse the image this dissertation drawed one ct program which can well present the different little cells " ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested - substance, ct has the better using foreground.

    在混凝土結構的施工及使用過程中，由於受其自身及外界各種因素的影響，常常會產生一些缺陷，對結構物的承載能力和耐久性造成嚴重影響，採用無損檢測技術進行質量檢測和健康診斷，這對混凝土結構開展安全、穩定性評估以及病害隱患治理研究具有重要意義。本論文主要針對大體積混凝土結構缺陷的檢測方法展開研究工作，重點討論了超聲波法檢測混凝土結構裂縫的基本原理和方法及其特點、適用范圍，運用動力有限元數值模擬其檢測過程，探討了有裂縫缺陷的混凝土結構在脈沖荷載作用下彈性波的傳播及其變化特徵，研究了不同裂縫深度下首波相位變化規律，得出了反轉臨界點與裂縫深度之間的關系，這對實際工程應用具有指導意義。聲波ct是一種新的無損檢測技術，它是利用聲波穿透被檢測體獲取聲波接收時間，來進行計算機反演成像的技術。
  14. Reflection and refraction of elastic waves at a unilateral contact interface between two generally anisotropic media

    一般各向異性單側接觸界面上波的反射和折射
  15. Effect of water saturation on reflection and transmission of elastic waves at interface of partially saturated sandstone

    飽和度變化對彈性波在非飽和砂巖表面反射和透射的影響
  16. In this paper, a new heterogeneous anisotropic constitutive model of fractured media was presented, and the properties of elastic waves excited from a two - dimensional ( 2d ) point source propagation in 2d fractured rocks were investigated by the pseudo - spectral method ( psm )

    本文提出了一種新的非均勻各向異性隨機裂縫介質本構模型，用偽譜法模擬了二維點源產生的彈性波在二維復雜巖石中的傳播。
  17. The psm was extended to heterogeneous anisotropic medium and a program for 2d elastic waves propagation was written in fortran. the stable condition of psm for 2d anisotropic media was introduced and discussed. the propagations of elastic waves, excited by point sources in homogeneous isotropic / anisotropic rocks, were simulated

    導出了適用於模擬二維各向異性非均勻巖石中彈性波傳播、以位移為變量的偽譜法公式並編寫了相應的程序，並推導了適用於二維各向異性介質的偽譜法穩定性條件。
  18. We shall see that(7. 5. 25)is none other than the celebrated snell's law applied to elastic waves.

    我們很快就將看到，（7525）恰恰就是應用彈性波上的有名的斯涅耳定律。
  19. The absorption of elastic waves in rocks has been the subject of extensive theoretical and experimental study.

    彈性波在巖層內的吸收問題曾經是理論上與實驗上廣泛研究的課題。
  20. 3 ) on the other hand, the gaussian heterogeneous anisotropic random fractured model might be a suitable model for the single - scaled and smooth heterogeneous media. the propagation of elastic waves, excited by an explosive point source in exponential ellipsoidal and gaussian heterogeneous anisotropic random fractured rocks, were simulated

    模擬了爆炸點源產生的彈性波在指數橢圓型、 gaussian型非均勻各向異性隨機裂縫國防科學技術人學研究生院學位論文巖石中的傳播，討論了具有不同自相關長度的或者不同類型的非均勻各向異性隨機裂縫巖石對彈性波的散射。
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