輸入的地震波 的英文怎麼說

中文拼音 [shūdedezhèn]
輸入的地震波 英文
input earthquake motion
  • : Ⅰ動詞1 (運輸; 運送) transport; convey 2 [書面語] (捐獻) contribute money; donate 3 (失敗) l...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : 4次方是 The fourth power of 2 is direction
  • : Ⅰ動詞1 (震動) quake; shake; shock; vibrate 2 (情緒過分激動) be greatly excited; be deeply ast...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 輸入 : 1 (從外部送到內部) import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  1. And the explicit finite difference method, the combining method of the central difference method and newmark s constant average acceleration method, and the transmitting boundary are used. by comparing the acceleration determined by the several methods of the displacements or velocities, a computing method of acceleration employed the one side difference of velocity is more practicality in this research. corresponding to normal incidence of the body waves, p waves or svwaves, and rayleigh surface waves, two two - dimensional finite difference programs are compiled to compu te the dynamic response of two - phase media

    以土力學模型為基礎,利用以土骨架和孔隙流體四個位移為基本未知量數值方法去模擬二維飽水介質中傳播,採用了顯式差分方法(中心差分法和newmark常平均加速度法結合)和透射邊界,通過比較利用幾種差分格式求解加速度結果,發現一種用速度單邊差分求解加速度方法在本文研究中較為實用,分別編制了體( p或sv) 、 rayleigh面時求解兩相介質動力響應兩個二維數值分析程序。
  2. The inconsistent excitation can be decomposed into a series of irregular incident waves in terms of the spectral decomposition scheme of the hermitian matrix, with which the coherency function of the ground motions under the inconsistent excitation can be obtained numerical results are given to show its stability and rationality

    該方法將隨機動分析問題轉換為多個虛擬激勵下確定性動分析組合問題,從而可以方便獲得場動觀測量之間譜密度矩陣,進而計算給出工程場動相干函數本文還用數值模擬辦法對所提出方法合理性和穩定性進行了探討。
  3. The precious method to simulate earthquake accelerations is not perfect because the points on the interface still move according to the simulated acceleration when the points " motion ends, which is obviously a paradox. if the points " velocity is not zeroized, soil ' s damage value based on shear stress ' s peaks or extrema is overestimated in multi - point input analysis. the new method ' s rationality is analyzed

    以往人工合成結束時即加速度恆為零時速度不為零,這與合成動是「模擬點從靜止到運動再到靜止運動過程」這一要求不一致,同時導致時域內多點分析時差動力過大以至算出損傷值過大,於是本文提出了簡易動速度歸零化方法並分析了其合理性。
  4. Input seismic wave fields in elastic half - space interbedded by liquid - filled porous medium and solid medium

    不同介質互層分佈彈性半空間
  5. This paper deals with seismic analysis of an immersed tunnel using the travelling wave method the objective of the analysis is to obtain the maximum stresses in the tunnel body and the relative displacements at the joints for design purpose in analysis , the axial and transverse input waves are treated as two independent waves with different amplitudes and periods the method has been found to have the advantages of simplicity and clearness in physical concepts however , reasonableness of the prediction by the method depends largely on the input data , such as the wave amplitude , the wave length , the propergation speed of the travelling wave as well as the reaction coefficient of the ground thus , determination of the input data is discussed in detail finally , the method is applied to analysis of huangsha - fangcun immersed tunnel across the pearl river in guangzhou

    將行法應用到剛度較大、分段較多水下沉管隧道分析中,提出把軸向、橫向兩個處理為兩個獨立方法行法是否符合實際,與有關參數及基系數選取有很大關系,作者對此進行了比較深討論,使參數選取簡單、明確,便於對計算結果進行分析與判斷最後應用此法對珠江水下隧道工程實例進行了計算
  6. Running the model with seismic data alone would have underestimated tsunami heights in the open ocean by a factor of 10 or more

    若單把資料模型運算,會低估海嘯在開放海域高,預估值約只有實際值1 / 10或更少。
  7. It can be used to create the model data file for the seismic forward modeling semi - automatically. thus, the two primary difficult problems of low efficiency and accuracy have been solved very well. 2. graphic and digital image processing technique are introduced into geological modeling, and some kinds of arithmetic are presented, based on which fast model input for ray tracing and wave equation forward modeling have been both achieved

    首次建立了獨立於大型勘探專業軟體開放式構造質模型系統,開發了針對于射線層狀結構模型和網格化動方程模型軟體,大大簡化了模型過程,極大提高了構造質模型效率,解決了以往模型精度和效率不高兩大難題。
  8. Firstly, the inversion of the ground motion with the unknown parameters and limited measurements was studied by the sub - structural identification, and the least - square algorithm of unknown input was built. secondly, based on the estimated input, structural parameter down to the element level was identified in time domain by extended kalman filter algorithm. several cases of a 6 - story frame s

    首先,使用子結構識別技術,研究了未知參數、觀測不完整條件下反演問題,建立了未知最小二乘估計演算法;其次,在估計基礎上,使用廣義kalman濾器方法,識別全部單元結構參數。
  9. The obtained results indicate that compared with the clay layer, the liquefied sand layer takes a decreasing effects on the short period component of the surface ground motion and the effects increase with increasing of the thickness 、 depth and width of the liquefied sand layer ; the liquefied sand layer takes a increasing effects on the long period component of the surface ground motion but the effect is not obviously ; to the input earthquake wave, the demarcation point of strengthens and weaken is about 0. 6s

    主要結論為:和同樣粘土層相比,液化層存在對表上短周期分量主要起減弱作用,且減效果隨著液化層埋深、厚度增加而變強;對長周期分量主要起加強作用,但是效果不太明顯;對所輸入的地震波來說加強減弱分界點所對應周期為0 . 6s左右。
  10. Time history analysis is carries on after the seismic waves being numbered according to period, input values of seismic wave to vibration equation of system, adopt the method of progressive integral to gain the whole course of the structure ' s state at the whole earthquake

    時程分析是將按時段進行數值化后,結構體系振動微分方程,採用逐步積分法得出結構在整個時域中振動狀態全過程。
  11. Four records with different earthquake magnitude, epicentral distance and spectrum ingredient are selected as the seismic input. the result of it compared with the result of test and spectrum analysis. lastly, on the basis of analysis result the conclusion is drawn and the recommendation and perspectives are put forward

    選取了el - centro等四條不同級、不同中距及頻譜成份不同作為,對其進行了反應譜分析,計算結構在其作用下動力反應,並與試驗結果及反應譜分析結果進行對比。
  12. On the other hand, the calculation on difference earthquake wave show : the spectrum of earthquake wave will affect dynamic property of structure like long period of xiao wan dam

    另外,不同性質所得計算結果表明,頻譜特性對于小灣大壩這樣長周期結構動力反應特別是位移反應有明顯影響。
  13. And the effects of liquefaction sand soil on surface ground motion are investigated for considering the thickness 、 depth 、 width of the liquefied sand layer and the input earthquake wave

    主要分析了飽和液化層厚度、飽和液化層埋深、土性參數和等因素對面加速度反應譜影響。
  14. A certain thickness of sand cushion of a certain size or gradation is paved between the foundation and ground in this new method. when earthquake happens the sand cushion will have plastic shearing strain, reducing the input of high frequency volume, thus consume the earthquake energy form substrate. it is showed in shaking table experiments that there is relevant slippage between foundation and sand cushion, which can prevent the seismic energy from being passed to the above structure and thus reduced the seismic role for the above structure

    在建築物基礎與基之間鋪設一定厚度、某種單一粒徑或級配砂墊層,在作用時砂墊層發生塑性剪切變形,減少高頻分量,從而消耗了下層傳來能量;振動臺試驗表明,當振動發生時,基礎與砂墊層之間有明顯滑移產生,這就對能量向上部結構傳遞起到了隔斷作用,因而對上部結構起到了減作用。
  15. The characteristics about the magnitude and distribution of stress, the width and depth of joint and time sequence of joint opening are compared on condition of different traveling wave directions. the difference between general uniform wave input and traveling wave input is also compared

    分析了分縫壩行響應,比較了常規均勻和行,行不同方向對應力大小和分佈,縫張合深度和寬度、縫張合時序等諸多方面表現特性。
  16. Furthermore, the optimization of the parameters of the frame with friction energy dissipation under several earthquake records is solved. examples are illustrated to verify the method

    此外,還解決了多種下摩擦耗能框架優化問題,並通過算例進行詳細解析。
  17. Finally, shaking table experiments are carriod out, in which input several different character seismic waves with different acceleration peak value on several states of the shell model. the experimental results prove the theory research to be correct and show that the control strategy raised in this thesis is effective and feasible

    最後,進行了雙層柱面網殼被動控制減試驗,對于網殼在替換不同桿件數量、位置和不同加速度峰值不同頻譜特性反應進行了上百種工況振動臺試驗。
  18. ( 3 ) the sma incorporated friction damper is applied to long - span canopy roof structures to investigate its vibration control performance. the control effectiveness is analyzed with inputting three - dimensional el - centro earthquake waves in small, medium and large seismic intensity. the results show that control performance of the sma incorporated friction damper is superior to that of both the friction damper and the sma damper

    通過三向el - centro,分別研究了結構在小、中和大情況下減振性能,並與結構在純摩擦阻尼器、僅sma阻尼器控制效果進行了對比分析,表明sma復合摩擦阻尼器具有卓越耗能減振性能。
  19. This paper firstly compares the provisions about torsion effect and anti - torsion design in several codes ( the old and new chinese code for seismic, and some other countries " codes ). then, according to the code for seismic design of buildings ( gb50011 - 2001 ) and the code for concrete structure design ( gb50010 - 2002 ), the paper designs two multi - storied irregular concrete spatial frames, which respectively situated at the area of fortification intensity 8 and 9. subsequently, using the program based on the column - beam element of fiber model, input several ground motion records, which are selected according to the demand of code, to carry the structures " three - dimensional nonlinear analysis in two perpendicular directions at the same time

    本文對比了我國新、舊建築抗設計規范( gb50011 - 2001 、 gbj11 89 )以及國外設計規范(或指南)中關于結構扭轉效應與抗扭設計相關規定;按照新建築抗設計規范和混凝土結構設計規范( gb50010 2002 ) ,設計了設防烈度分別為8度和9度兩個多層鋼筋混凝土不規則空間框架結構,利用纖維模型樑柱單元三維非線性動力分析程序,根據新抗設計規范要求,在設防作用和罕遇作用水準下選擇適當作為,對結構進行了雙向作用下三維非線性動力反應分析。
  20. From the results, it could be known that the structure ' s dynamic displacements were related with the seismic waves dimension and direction

    從計算結果看,結構動位移與輸入的地震波方向及維數有關。
分享友人