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- In this paper, using FEM method to numerical simulate the elastic wave equation. 本文采用有限元法進(jìn)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(dòng)方程式的可逆性討論彈性波的逆時(shí)影像重建。
- The finite element method was used to calculate elastic wave propagation in the medium. 本文采用有限元素法計算彈性波在介質(zhì)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(shù)是十多年來(lái)地球物理領(lǐng)域里的一個(gè)前沿熱門(mén)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(dòng)剪切模量初探[A]
- Keywords: concrete, crack, defect, elastic waves, imaging. 關(guān)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(zhì)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巖層彈性波特征參數進(jìn)行分析,以便指導今后槽波地震探測工作。
- 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(zhì)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. 本文借助于廣義格林公式導出了用位移表示的各向異性介質(zhì)中SH波入射時(shí)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系數公式。
- 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(chǎng)傳播的數學(xué)模型，提出了一種基于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. 巖石所受的三向應力狀態(tài)對其彈性波傳播性質(zhì)有一定的影響，此認識為所做的以泥質(zhì)砂巖、泥巖和硅質(zhì)膠結的堅硬砂巖為試樣的實(shí)驗所證實(shí)。
- 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. 基于第一作者提出的飽和土彈性波動(dòng)方程，本文提出了飽和地基中端利波的頻率特征方程，并由此分析了瑞利波傳播速度和衰減系數隨振動(dòng)頻率、土滲透系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. 本文采用彈性波方程，通過(guò)有限差分近似計算，實(shí)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(dòng)方程出發(fā),提出了一種新的空間不規則網(wǎng)格有限差分方法,并用于求解非均勻各向異性介質(zhì)中的彈性波正演問(wèn)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巖性。
- The faultiness of existing models was discussed.A new model for elastic wave velocity of unconsolidated sandstone was developed on the basis of these models. 首先討論了現有各類(lèi)模型存在的不足，并在這些模型的基礎上，提出了新的疏松砂巖彈性波速分析模型。
- 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(wèn)題曾經(jīng)是理論上與實(shí)驗上廣泛研究的課題。
