新索法拉 的英文怎麼說
中文拼音 [xīnsuǒfǎlā]
新索法拉
英文
nova sofala-
Rafael benitez has been handed a double boost with the news that momo sissoko and bolo zenden are back in training and could feature in saturday ' s merseyside derby with everton
拉法收獲了兩條重要的好消息：西索科和岑登已經重新開始訓練並有可能在下周六對埃弗頓的德比戰中復出。In order to satisfy the demands of the main pylon measure benchmark stakingout and the cable anchor - pipe positioning for cable - stayed bridge, a new georobot relative datum 3d polar coordinate method is presented
摘要結合斜拉橋索塔基準放樣及斜拉索預埋鋼管的精密定位的需要，提出了一種新的基於測量機器人的三維相對基準放樣方法，並成功用於灌河特大橋斜拉橋主橋的施工放樣。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。Based on the transient response, the control effectiveness of the visco - elastic dampers is further demonstrated. according to the lqr optimal control theory, clipped - optimal control arithmetic, and the modified bouc - wen model of the mr dampers, the lqr - clipped semi - active control is proposed. the passive, active, and semi - active control of the cables are analyzed by using the difference discretization model of the cable - dampers system
結合lqr最優控制理論、面向速度剪切（ clipped - optimal ）控制演算法及修正的磁流變（ nr ）阻尼器bouc - wen模型，創新地提出了lqr - clipped半主動控制演算法，應用拉索振動的差分離散模型，對斜拉索的面內振動進行了被動、主動及半主動控制研究，分析了mr阻尼器對斜拉索的振動控制效果。A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived
本文創新地提出了斜拉橋拉索-橋面耦合參數振動模型，推導了索-橋耦合非線性參數振動方程組，聯合galerkin法及數值積分方法，對各種特性的拉索進行了數值求解，得出了影響拉索參數振動的各種因素；提出了斜拉索受軸向端激勵參數振動模型，導出了模型的非線性振動方程，使用諧波平衡法得出了產生參數振動需要的最小激勵幅值、共振時瞬態及穩態的振動幅值及索拉力的變化特性，並用數值積分方法對實際斜拉橋拉索進行了計算，分析了拉索阻尼對參數振動的影響。According to calculating and analysis, educes the distributing laws and their correlations of horizontal displacement and stress of stabilizing pile, anchor pull and earth press in two sides of pile, including the distributing of point repel force and internal force of pile at the terminal state, providing full theoretical basis for anchor cable and stabilizing pile structure design, strength check, stability check and determination of anti - slide force for a single stabilizing pile
通過計算分析，得出了抗滑樁的水平位移、樁身應力、錨索拉力和樁側土壓力的分佈規律和它們之間的相互關系以及極限狀態時的樁的結點抗力和樁的內力分佈規律，為錨索樁的結構設計、強度校核、穩定性校核和單樁抗滑力的確定提供了充分的理論依據，同時也提出了錨索抗滑樁計算分析的一種新方法。The principal work in this paper is to investigate the third - order nonlinear optical properties of three new organometallic complexes with z - scan technique, and study the molecule structural vibration of these complexes. in order to further understand their nonlinear optical characters there are six chapters in this paper, which can be divided into three sections : in the first section, i. e. chapter one, the current status of the development and practical applications of nonlinear optics are introduced briefly the third - order nonlinear optical effect is introduced particularly
本文的工作主要是利用單光束z掃描技術研究了三種新型金屬有機化合物的三階非線性光學特性，並且利用拉曼光譜技術探索了這些化合物的結構振動信息，試圖從結構方面更深入的了解其非線性光學性質。論文共分六章，其主要內容概括為三個部分：第一部分，即論文的第一章，簡單介紹了非線性光學發展的現狀以及非線性光學的現實應用和意義，著重介紹三階非線性光學效應，用z掃描方法測量三階非線性光學系數的方法和理論。Accordingly, the problem of dynamical, such as seismic response, wind induced vibration, coupled dynamical vibration between bridge and vehicle should not be ignored. especially, stay cable, which is one of the main components in cable - stayed cfst arch bridge, is susceptible to environment and traffic excitations because of its flexible, low damping small weight, then the significant vibration is induced. the accurate analysis of the dynamic characteristics of cable - stayed cfst arch bridge is very important for the design of this type bridge
大跨斜拉鋼管混凝土拱橋作為一種新型的組合結構橋梁，由於結合了斜拉橋和拱橋的優點，已經運用到實際工程中，但其理論研究才剛剛起步，大跨斜拉拱橋與大跨拱橋、斜拉橋一樣，是一種柔性結構，應該重視其動力問題，地震、風振、車振等動力問題是該類橋梁所無法迴避的，尤其是斜拉拱橋的主要承力構件之一的斜拉索，由於其大柔度、小質量和小阻尼等特點，極易發生振動，準確分析斜拉拱橋及斜拉索的動力特性是斜拉拱橋設計的重要工作之一。分享友人