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- In this paper, using FEM method to numerical simulate the elastic wave equation. 本文採用有限元法進行彈性波方程數值模擬。
- In this study, we applied the reversibility of elastic wave to a discussion of the reverse time propagation of wave equation. 摘要本文應用波動方程式的可逆性討論彈性波的逆時影像重建。
- The finite element method was used to calculate elastic wave propagation in the medium. 本文採用有限元素法計算彈性波在介質中的傳播。
- The computerized tomography(CT) of elastic wave is a forward problem in the geophysical domain for more than ten years. 彈性波計算機層析成像(CT)技術是十多年來地球物理領域裡的一個前沿熱門課題。
- Hardin B O, Richare F E. Elastic wave velocities in granular soils[J]. Divi. Proc. of ASCE, 1963,89[SM1]:3-65. 李新.;用超聲波法測定三軸儀內非飽和砂土試件動剪切模量初探[A]
- Keywords: concrete, crack, defect, elastic waves, imaging. 關鍵詞:混凝土、裂縫、缺陷、彈性波、影像法。
- By using the propagating theory of elastic wave the attenuation mechanisms of the elastomer with cylindrical bores is analyzed. 摘要應用彈性波在帶圓柱通道橡膠體內傳播的理論,分析了穿孔橡膠體的吸聲機理。
- The thin-layer method(TLM) is a semi-analytical and semi-numerical approach for the analysis of elastic wave propagation in stratified media. 薄層法是分析和模擬彈性波在層狀介質中傳播的一種半解析半數值方法。
- The elastic wave parameters characteristics of Datong jurassic coal rock bed are analyzed.It will guide the channel wave seismic exploration in future. 對大同侏羅紀煤田的煤岩層彈性波特徵參數進行分析,以便指導今後槽波地震探測工作。
- The thin layer method(TLM) is a semi-analytical and semi-numerical approach for the analysis of elastic wave propagation in stratified media. 薄層法是分析和模擬彈性波在層狀介質中傳播的一種半解析半數值方法。
- The scattering problem of elastic wave by arbitrarily shaped cavities in an infinite anisotropic medium is investigated by the boundary intcgral equation (BIE) method. 本文藉助於廣義格林公式導出了用位移表示的各向異性介質中SH波入射時的邊界積分方程.
- To test the absorbing ability, the reflection coefficient formulas on the absorbing boundaries are derived based on the potential functions theory of elastic wave. 為檢驗其吸收能力,利用彈性波的勢函數理論導出了P波和S波在吸收邊界處的反射係數公式。
- The two systems of government are polar opposites. 這兩種政體正好相反。
- We propose a domain decomposition method based on combining the finite element method with the finite difference method for numerical simulation elastic wave propagation. 摘要本文針對彈性波波場傳播的數學模型,提出了一種基於有限元和有限差分耦合的區域分裂方法。
- The influenes of triaxial stress states on the elastic wave velocities of clayey sandstone,and claystone and hard siliceous sandstone have been determined by experiments. 岩石所受的三嚮應力狀態對其彈性波傳播性質有一定的影響,此認識為所做的以泥質砂岩、泥岩和硅質膠結的堅硬砂岩為試樣的實驗所證實。
- Based on the theory of elastic wave in saturated soils estabblished by the fundamental equaations of Rayleigh wave in a saturated soil ground are derived herem. 基於第一作者提出的飽和土彈性波動方程,本文提出了飽和地基中端利波的頻率特徵方程,並由此分析了瑞利波傳播速度和衰減係數隨振動頻率、土滲透係數等因素而變化的規律性。
- By way of adopting elastic wave equation and finite difference approximation calculating method, the numerical simulation of VSP synthetic record is realized in the paper. 本文採用彈性波方程,通過有限差分近似計算,實現了VSP合成記錄的數值模擬。
- This paper presents a new finite-difference (FD) method for spatiall irregular grids to simulate elastic wave propagation in heterogeneous anisotropic media. 從彈性波動方程出發,提出了一種新的空間不規則網格有限差分方法,並用於求解非均勻各向異性介質中的彈性波正演問題。
- The fluid and lithology can be predicted effectively by elastic wave impedance inversion which use the offset seismic angle stacked data under the consideration of AVO effect. 彈性波阻抗反演利用遠炮檢距地震角度疊加數據,考慮了AVO效應,可以有效預測流體和岩性。
- The issue has polarized congress. 該爭論於國會分裂。