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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。
- 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。
- The study puts forward the precision difference solution to elastic wave equation, using staggered mesh random even rank, and formula for tilted contact surface's refraction blind zones. 研究提出了彈性波方程交錯網格任意偶數階精度差分解法及傾斜界面地表折射盲區計算公式。
- The study puts forward the accurate difference method for elastic wave equation, using staggered mesh random even order, and formula for tilted contact surface's refraction blind zones. 在朋友幫助下,問題已解決!研究提出了彈性波方程交錯網格任意偶數階精度差分解法及傾斜界面地表折射盲區計算公式。
- second-order elastic wave equation 二階波動方程
- In this paper, on the base of paraxial approximations, we present a set of absorbing boundary conditions of 3D elastic wave equations and apply to the 3D elastic wave numerical modeling in isotropic medium. 本文傍軸近似法提出了計算三維彈性波方程的吸收邊界條件公式，表示了各邊界面、邊棱和角點處波場所滿足的單程波方程，並在三維彈性波數值模擬中進行了應用。
- We introduce perfectly matched layer to attenuate the refection of the artificial boundary, and construct boundary and corner point conditions of elastic wave equations in isotropy media. 為了消除邊界反射，引入最佳匹配層，構造了各向同性介質中彈性波方程在不同邊界和角點處的邊界條件。
- Weak reflection and weak conversion makethe elastic wave equations be applicable to the elastic-wave reverse time recursionimage problem where interbed reverberation must be suppressed thoroughly. 由於這些方程的弱反射、弱轉換特性，使它們特別適用於需要壓制層間混響的彈性波道時遞推成像一類的工程。
- SIMULATION OF PML ABSORBING BOUNDARY CONDITION WITH SECOND-ORDER ELASTIC WAVE EQUATION IN ANISOTROPIC MEDIA 各向異性介質中二階彈性波方程模擬PML吸收邊界條件
- THE REVERSE-TIME MIGRATION OF ELASTIC WAVE EQUATION AND ITS IMAGING CONDITIONIN TRANSVERSE ISOTROPIC MEDIA 橫向各向同性介質中的彈性波方程逆時偏移及其成像條件
- FINITE ELEMENT METHOD OF THE ELASTIC WAVE EQUATION AND WAVEFIELD SIMULATION IN TWO-PHASE ANISOTROPIC MEDIA 雙相各向異性介質中彈性波方程的有限元解法及波場模擬
- INVERSION OF TWO-DIMENSIONAL ELASTIC WAVE EQUATION WITH TWO VARIABLES WITHIN BORN APPROXIMATION Born近似二維彈性波方程的雙參數反演
- Keywords absorptive boundary condition;numerical modeling;elastic wave equation;grid;wave field; 吸收邊界條件;數值模擬;彈性波方程;網格;波場;
- Pant: Woven, allover printed, full elastic waistband with selffabric drawstring, fake fly with 3 buttons, legopening straight hemmed with 2ndl stitching. 褲子；梭織布，全身印花，腰口裝橡筋，本身布拉繩，假門襟有3個紐扣，腳口雙線卷邊。
- elastic wave equation [計] 彈性波方程
- 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.
- The paper also gives the prospect of wave equation migration. 對波動方程偏移成像發展趨勢進行展望.
- A new type of elastic rod wave equation, nonlinear hyperelastic rod wave equation, is researched. 摘要討論了一類新型的彈性桿波動方程（即非線性超彈性桿波動方程）的行波解。
- Keywords: concrete, crack, defect, elastic waves, imaging. 關鍵詞：混凝土、裂縫、缺陷、彈性波、影像法。
