elastic wave 中文意思是什麼

elastic wave 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
  • wave : n 〈美海軍〉女志願軍人〈見 WAVES 條〉。n 1 波浪;碎浪; 〈the wave(s)〉 〈詩〉海。2 波動;波狀...
  1. In this article, considering the character of the one - dimensioned continuum and the cross - section, the varied quotiety of the strain can be presented as the mode function to identify the damage. and inversion of the elastic wave is presented to detect the injures when the area is the variable of the inversion, for the pip usually buried under the earth or enwrapped into the protection make the detection difficulty by the mode of vibrancy. the influence of the area must be considered if the exactness is the pre - requisition

    在論文中,考慮到壓力管道的一維性質,提出用應變模態改變變化率的方法對一維的結構進行損傷識別;同時考慮到在實際的工程和現場測試中,壓力管道大多深埋在地下或者有外在的保護膜,不宜進行模態的檢測,所以也考慮利用彈性波的方法對壓力管道的性質參數和截面性質進行反演識別,從而得到我們感興趣的東西,達到損傷識別;一般,在利用彈性波反射方法進行損傷檢測中,不考慮截面效應對彈性波的衰減影響,這就對損傷檢測造成一定的影響,本文考慮截面效應的影響,通過實驗來確定截面效應系數。
  2. 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。
  3. This paper puts forward a method of fast, handy, no - destructive and effective testing which can be used to test the strength and geometrical dimension of subgrade abamurus using the method of earthquake wave velocity and gpr ( ground penetrating radar ). this method can be used to definite the dimension and strength of abamurus by determining some physical parameters ( such as elastic wave velocity and electromagnetic wave velocity etc, ) and by the correlation of these physical parameters with mortar flag stones

    本論文提出使用地震波速法和地質雷達法檢測路基擋墻的強度和幾何尺寸,是一種快速、簡便、無損、有效的檢測方法。此方法通過測定某些適當的物理量(如:彈性波速度、電磁波速度等) ,並通過這些物理量與漿砌片石的相關性,確定墻體的尺寸、強度等性能。
  4. The main contents of testing the strength of subgrade abamurus using earthquake wave velocity are as follows : the influence of the lithology and strength of flag stones and the shape of block upon wave velocity, the influence of the strength of cement mortar upon earthquake wave velocity, the estimation standards of the strength and completion of abamurus. this paper puts forward an accurate no - destructive testing using the different reflect of elastic wave velocity for abamurus stones, the strength of mortar, the plumpness of mortar and the type of abamurus, on the basis of laboratory tests and field tests. it can be used to accurately distinguish the completion of abamurus

    地震波速法檢測路基擋墻強度,研究的主要內容有:片石巖性和強度及塊體形體對波速的影響;水泥砂漿強度對墻體波速的影響;擋墻整體強度和完整性的評估標準。應用彈性波速度對擋土墻石材、砂漿強度、砂漿飽滿度及擋墻類型的不同反映,在室內外模型試驗和現場生產試驗的基礎上,提出了一種正確的無損檢測法,可以正確判別漿砂片石擋墻墻身的完整性。
  5. 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。
  6. According to solid - state physics, the physical mode of elastic wave stimulating the nucleation of martensitic transformation had been established, of which the elastic energy release as elastic wave to induce particle displacement and strengthen the condition required by martensitic transformation

    依據固體物理理論,建立了彈性應變能以彈性波的形式釋放,彈性波在奧氏體中傳播引起晶體點陣質粒位移,強化馬氏體相變形核的條件,促進馬氏體相變形核的物理模型。
  7. Based on the backward propagation concept, we evaluated the feasibility of reconstructing the image of elastic wave sources and scatterers

    依據逆時傳播的觀念以評估重建彈性波源及散射體影像的可行性。
  8. The ultrasonic quenching of medium carbon alloy high strength steel 35crmnsi was conducted, using h66025t ultrasonic generator. the result showed the mertensite lath was fined obviously and the nucleation rate was improved. it proved the theory that the propagation of elastic wave in austenite can promote the nucleation of martensitic transformation

    採用h66025t超聲波發生儀,對中碳合金高強度鋼35crmnsi進行超聲波淬火,發現馬氏體板條明顯細化,提高了馬氏體相變形核率,證實了彈性波在奧氏體中傳播促進馬氏體相變形核理論。
  9. It is a new tool to detect and observe the structure and status of underground media by accurately measuring its transfer function through sinusoidal elastic wave accurately controlled in frequency and stable in phase

    它是使用一種精密控制頻率和相位穩定的彈性波,對發射和接收兩點間的傳遞函數進行精密測定從而監視和觀測地下構造和狀態的一種新型手段。
  10. The relating to methods based on the research on international and domestic electromagnetic wave ( elastic wave, acoustic wave ) for the identification of flaws are all - round viewed

    本文對國際和國內基於電磁波(聲波,彈性波)逆散射理論研究缺陷識別的有關方法給予了全面的評述。
  11. The application of multi - level delay charging method has change the conventional charging method and increase the effective energy in downgoing elastic wave, which has unique effect in increasing the bandwidth of effective wave, resolution, s / n ration and interference attenuation and is worth to propagate

    多級延遲爆炸技術的應用,改變了傳統的激發方式,提高了彈性波下傳的有效能量,對提高有效波頻帶寬度、在提高解析度、信噪比、壓制干擾各方面,都具有獨特的作用,具有很好的推廣價值。
  12. Elastic wave in bar

    桿中彈性波
  13. Three finite - difference methods, i. e., stagger grid, implicit and explicit algorithms, are analyzed in detail. multi - grid algorithm is firstly introduced in elastic wave simulation, to solve for the stability problem inherent in stagger grid and implicit algorithm, also for the efficiency problem inherent in explicit algorithm, and the precision, stability and efficiency for simulation of elastic wave arc increased by multi - grid method. phase - delay method is provided to effectively absorb boundary reflection and increase efficiency for wave motion simulation, based on phase delay and amplitude decaying features along wave propagation

    在水平分層介質接收函數的波形反演研究的基礎上,本文系統闡述了非均勻介質中彈性波傳播數值模擬常用的三種有限差分方法:顯式差分、隱式差分和交錯網格法,首次將多重網格演算法應用於彈性波方程的數值模擬問題,克服了交錯網格法和顯式差分法穩定性差,以及隱式差分法計算效率低的缺點,大大提高了彈性波數值模擬的精度、穩定性和計算效率。
  14. Elastic wave scattering of an interface cylindrical crack subjected

    多環交界裂紋面在諧振應力波作用下的動應力強度因子
  15. This conversion is based on the analytic expression of sonic and elastic wave equation, and use the different wave field extrapolation, which is initially used in seismic migration and forward modeling. this paper introduces the easy and efficient finite - difference method to realize the conversion by comparing three different methods

    論文經過對三種常規波場延拓方法( kirchhoff積分法、頻率波數域法和有限差分法)優缺點的比較,採用了簡單易用的有限差分方法來實現這種轉換。
  16. The seismic modeling algorithm includes in two key steps in which one is for calculating effective elastic parameters in a fractured and caved media by using elastic wave equation, the other is for wave extrapolating by using acoustic one - way wave equation based on an equivalent geology model consisting of those effective parameters

    地震正演方法包含兩個關鍵步驟,一是利用彈性波動方程計算含縫洞介質的有效彈性參數,另一步驟是根據有效彈性參數構成的等效地質模型,用單程聲學波動方程進行波場延拓。
  17. By means of the wavelet transformation the deconvolution is done in the time domain. the dispersive properties of the elastic wave within the impacts acted are analyzed, and with the nonlinear optimization method concerned the impact location is identified

    利用小波變換作時域內的解卷積計算,分析了結構在沖擊載荷作用下的彈性波的散射特性,結合非線性優化方法實現了載荷沖擊位置的識別。
  18. The numerical modeling of 3 - d elastic wave equation using a high - order, staggered - grid, finite difference scheme

    交錯網格高階差分法三維彈性波數值模擬
  19. Mixed boundary and frequency dispersion suppressing in elastic wave numerical simulation

    彈性波數值模擬的混合邊界與頻散抑制
  20. Based on the concepts of elastic wave velocity of skeleton and reinforced cohesion, the effect on the velocity by soil density with different saturation was distinguished from that by weakened reinforced cohesion ; on the condition of same confined press and saturation, the elastic wave velocity was measured before and after soil samples were dynamically loaded, so that the elastic wave velocity changed by dynamic load was distinguished from that by soil. nature characteristic

    ( 9 )通過試驗運用了骨架波速和黃土加固凝聚力的概念,將飽和度的增加引起土體密度的增加對波速的影響與水破壞加固凝聚力對波速的影響區分開來;在相同的壓力和飽和度(近似)條件下,採用動力作用前後分別測試彈性波速的方法,將動力荷載對加固凝聚力的破壞作用與土樣自身的顆粒組分對波速的影響因素區分開來。
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