newmark 中文意思是什麼

newmark 解釋
紐馬克牌手錶
  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的四個位移為基本未知量的數值方法去模擬二維飽水介質中的地震波傳播,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的加速度結果,發現一種用速度單邊差分求解加速度的方法在本文研究中較為實用,分別編制了體波( p波或sv波) 、 rayleigh面波輸入時求解兩相介質動力響應的兩個二維數值分析程序。
  2. Then, use the direct integral calculus method of newmark to solve solution, and get each node and element ' s displacement and stress solution vs. time

    然後,用newmark直接積分法進行求解,得到各節點和單元的位移、應力的時程解。
  3. Characters of communicative translation and translation methods of movie title translation from the perspective of newmark ' s

    從紐馬克的交際翻譯理論談起
  4. Based on newmark ' s step - by - step implicit integration method, the response analyses of a tunnel are performed by using viscous - spring artificial boundary under various earthquake accelerations and multiform conditions of surround rock. the seismic responses of the tunnel are calculated by changing parameters of surround rock within the tunnel some ranges. two kinds of shock absorption measures, which are setting shock layer and reinforcing surround rock are studied and shock absorption effects, applicable to cases and shock mechanism are analyze

    4計算了不同地震動作用下不同的圍巖材料對隧道地震反應的影響,並通過改變隧道襯砌一定范圍內圍巖材料的參數,計算了隧道的地震反應,分析了在隧道施工中設置減震層和注漿加固一定范圍內圍巖這兩種方法的減震效果、適用條件及其減震機理。
  5. ( 3 ) the theory of morden optimal control is used for the controller design of the active vibration isolation system. two algorithms, instantaneous optimal control and linear quadratic gauss optimal control, have been discussed and compared. an instantaneous optimal closed - loop control algorithm in structural space is derived by using the newmark scheme

    ( 3 )應用最優控制理論設計控制器,對瞬時最優控制和線性二次型gauss ( lqg )閉環控制方法進行研究和對比,並導出構形空間內的瞬時最優閉環控制演算法。
  6. Meanwhile, a modified newmark difference scheme and computational procedures has been proposed for fem dynamic incremental load method to the non - linearity of geometry and material

    其後,對撞擊接觸的動力學數值計算原理及關鍵理論方法在連續介質力學框架下進行了初步研究與歸納。
  7. The solution format and caculation step of nonlinear dynamic equilibrium equation was derived by newmark method in this article, and dynamic caculation flow chart and relevant program of the frp honeycomb structure was given in two dimension

    本文採用newmark法推導出非線性動力平衡方程的求解格式和計算步驟,給出了二維場下玻璃鋼拱形結構的動力計算流程圖和相應的程序。
  8. Numerical examples show that the results are highly accurate in comparison with newmark > wilson - # -. houbolt and central difference method

    算例表明解析逐步積分法和積分型直接積分法比中心差分法、 newmark 、 wilson - 、 houbolt法等有較高的精度。
  9. Taking the bending stiffness, cable sag and cable inclination into consideration, the space vibration control of the cables using the visco - elastic dampers in cable - stayed bridges is investigated by joining the center difference method and the state space strategy. both the maximum modal damping ration and the optimal damper size are obtained, then the practical suggestions are proposed for the design of the dampers. the space nonlinear vibration equations of the cable - damper system are derived, and a new hybrid method for solving the cable - damper system is presented by combing the newmark method and pseudo - force technology

    綜合考慮了拉索抗彎剛度、垂度的影響,研究了粘彈性阻尼器對斜拉橋拉索的空間振動控制,聯合中心差分方法及狀態空間法,得出了拉索麵內、外振動各階模態可能達到的最大阻尼比及相應的最優阻尼器系數,並對斜拉橋拉索的阻尼器設計提出了參考建議:考慮拉索抗彎剛度、垂度及幾何非線性,導出了索-阻尼器系統的空間振動非線性方程組,結合newmark方法及偽力( pseudo - force )方法,創新地提出了求解非線性方程組的雜交方法,根據拉索-阻尼器系統的阻尼特性,在各種荷載作用下,對索-阻尼器系統的非線性瞬態振動響應進行了研究,從系統響應的角度更加直接地驗證了阻尼器的控制效果。
  10. The newmark - p step - by - step numerical integration algorithm is used to calculate the response behavior of system when feed cabin locates at a certain position ( typical location ) and when feed cabin moves along a certain trace ( time - dependent structure )

    。 ark d數值積分方法,在時域上分析了饋源艙停留在空間某一位置(典型點)和沿空間某一軌跡運行(變結構)時,系統的順風向風致響應。
  11. Peter newmark, approaches to translation ( oxford : pergamon press, 1981 ), p. 3

    劉宓慶: 《文化翻譯論綱》 ,湖北教育出版社1999年版, 2頁
  12. The newmark method is used to solve the panel flutter equations in time domain. the linear flutter boundaries are determined and the effect of temperature on flutter boundaries is analyzed

    編制了壁板顫振分析的有限元程序,採用newmark方法在時域中求解了壁板的線性顫振方程,確定了壁板的顫振邊界,分析了溫度對壁板顫振邊界的影響。
  13. As for dam ' s dynamic properties in condition of elastic foundation, author uses mapping infinite element, which can reflect displacement ' s property of diminishing in semi - infinite materials. through exchanging data between three analytic software - matlab, ansys, fortran, dynamic properties of dam is computed in condition of elastic foundation. and then the dynamic displacement curve is obtained under the load of earthquake with the method of newmark - b

    對于彈性地基情況下壩體的動力特性,作者採用了能夠反映半無限域介質中位移衰減特性的映射無限元,通過matlab 、 ansys 、 fortran三種計算軟體之間數據交換得出了彈性地基下壩體的動力特性,並通過自編newmark -法程序計算了壩體在地震荷載作用下動位移響應。
  14. Second, a jeffcott rotor model supported by two seals bearings in its two ends is established to simulate the shafting of simple turbines ( only short - and - straight - blades are included in the shafting ). and periodical response of the system is obtained by using the newmark method. then, the dynamic characteristics of rotor system at the certain rotate speed and the certain physic

    其次,建立了一個用來模擬簡單汽輪機軸系(只含有短直葉片)的兩端用滑動軸承支撐的jeffcott轉子模型,並用newmark方法求得了系統的周期響應,根據系統的周期響應、 poincare映射圖、頻譜圖、分岔圖等,分析了系統在特定轉速及特定的轉子系統參數下的運動特徵。
  15. The seismic response is analyzed with total stress method ; and it ' s found that the positions of the most dangerous slide surfaces are fairly stable though the precision for searching is very high. the idea of newmark method is induced to calculate permanent deformation on circular sliding surfaces. the precision is increased and the complexity of searching is lessened

    本文採用總應力法分析了填埋場在地震作用下的動力響應,通過計算發現,在滑弧搜索的精度相當高的情況下,最危險滑弧的位置仍然比較固定;在這一發現的基礎上,引入newmark地震永久變形的思想,並將其運用於圓形滑動面從而提高了該方法的精度並減少了試算的繁復性。
  16. A comparison of nida and newmark ' s translation theories

    奈達翻譯理論引發的啟示
  17. A comparative study of nida and newmark ' s translation theories

    奈達和紐馬克翻譯理論對比初探
  18. Newmark ' s core translation theory in the translation of ancient chinese poetry

    紐馬克翻譯理論在譯詩中的適應性與審美再現
  19. The handling of faults in the originals with newmark ' s text type theory is analyzed

    用紐馬克的文本分類法來分析對不同原文失誤的處理策略。
  20. The equations are solved by newmark integration method. 2. the nonlinear response and the journal trajectory of the rotor - bearing system are numerically investigated

    這樣的轉子系統具有高維和局部非線性的特點,可採用變步長的newmark積分法對系統的運動方程進行求解。
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