水平力矩 的英文怎麼說
中文拼音 [shuǐpínglìjǔ]
水平力矩
英文
horizontal moment- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 平 : Ⅰ形容詞1 (沒有高低凹凸 不頃斜) flat; level; even; smooth 2 (高度相同; 不相上下) on the same l...
- 力 : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
- 矩 : 名詞1. (畫直角或正方形、矩形用的曲尺) carpenter's square; square2. (法度; 規則) rules; regulations 3. [物理學] moment
- 水平 : 1. (跟水面平行的) horizontal;level2. (達到的高度) standard; level
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In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane
本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及深度調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺旋槳推進器的動態模型,它以螺旋槳來流速度v _ p和螺旋槳轉速n為狀態變量,以電機施加轉矩為輸入,螺旋槳推力t和轉矩q為輸出。After analyzing the soil stress, flexure moment data of central section of the sheet, and the flections data of two kinds of holding sheet models which are different on span, the paper gets the horizontal and vertical soil stress distribution rules and compares the result of the exam with calculating result of classic soil stress theory
通過對兩種跨度的擋板模型的土壓力、擋板跨中彎矩、擋板跨中撓度值的分析總結,得到了擋板後土壓力沿高度及水平方向的分佈規律,並在土壓力分佈形式及數值大小與經典理論作了比較。It also investigates the effect of secondary torque, the characteristics of moment redistribution subjected to reversed cyclic loading, and the role of spandrel beams in the overall response
著重討論了預應力次扭矩對結構受力的影響、水平荷載作用下結構的彎扭分配規律以及如何進行邊主梁的合理設計等問題。In this thesis, four types of steel beam - rectangular cfst column connections, including normal welded flange plate ( wfp ) connection, bolted flange plate ( bfp ) connection, stiffened end plate ( sep ) connection and double split - tee plate ( dst ) connection, were designed based on the configuration of steel frame connection. total 8 models, 2 models of each kind of connections were tested under low - reversed cyclic loading at the end of cfst columns. the relationships between force and displacement at the end of columns, the relationships between the moment and rotation of the joints, degradations of strength and stiffness, ductility, failure mechanism and failure characteristics of these four connections under different axial - compression ratios were presented
本文借鑒鋼框架節點構造,設計了四種類型矩形鋼管混凝土柱與鋼梁連接節點,包括常規栓焊( wfp )節點、翼緣全螺栓連接( bfp )節點、雙t板連接( dst )節點以及加勁端板連接( sep )節點,進行了四類節點8個模型試件在柱端低周反復荷載作用下的抗震性能試驗研究,比較了不同軸壓比下節點的滯回性能、強度與剛度退化、延性、破壞機理與破壞特徵,主要結論有: 1 、節點的位移滯回曲線與轉角滯回曲線為塊型分佈,沒有或略有捏攏現象,耗能能力強; 2 、軸壓比對節點滯回曲線有顯著影響,全部節點都有顯著的剛度退化; 3 、位移與轉角骨架曲線在峰值荷載後有較長的水平或下降段,具有良好的延性性能; 4 、從整體抗震性能上看,翼緣全螺栓連接節點、雙t板連接與加勁端板連接節點都優于常規栓焊節點,可在實際工程中加以推廣。This paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用Abstract : this paper sets up a fuzzy optimum math - model of the prestressed degree for prestressing bundle disposition of prestressed concrete continuous beam bridges, which is transformed into a clear math program by - level cut - set. by the solution of the clear math program, a succession of reasonable prestressing moments can be obtained. then it is convenient to dispose the prestressing system by only taking account of geometric factors of all controlling sections. based on this, a theory of automatic disposition of the prestressing bundles is proposed and an engineering example is given to demonstrate it
文摘:建立預應力混凝土連續梁橋預應力度的模糊優化問題,按-水平截集解法,將模糊優化問題轉化為確定性的數學規劃問題.求得一較合理的消壓彎矩后,只需按控制截面的構造進行預應力體系設計.在此基礎上提出了配束自動化的基本思想,並以一實例說明其理論應用The comparison of results with existing solutions to minimize the influential factors of bearing capacity as well as the reduction factors of the bearing capacity of rectangular footings near excavations were given finally
最後將計算結果與已有文獻資料進行了分析比較,並以地面水平時矩形基礎地基承載力系數為基準,得到臨近基坑矩形淺基礎地基承載力減損因數上界估算值。So. the low speed jitter problem has been the central task in the servo system research. the improvement of the working precision at low speed is hindered by the disturbances of the friction moment and the motor torque wave, while the decrease of the disturbances is restricted by the making technology. for the reason, the research of the low speed properties and corresponding compensation methods means a lot for the optoelectronic tracking system
轉臺伺服系統低速工作精度主要受到以摩擦力矩、電機波動力矩為主的擾動力矩的影響,而摩擦力矩、電機波動力矩的減小又受到轉臺製造工藝水平的限制,所以,轉臺伺服系統的低速特性以及抖動補償研究,對結構簡單、性能優良的精密光電跟蹤系統的研製,具有相當重要的意義。It shows that the method suggested in the paper is simple, applicable for engineering and has good precision. on the bases of the formulas deduced, and combining with relative test datas, it studies in the paper several factors influencing the bearing performance of the simple beams, such as shape of the external tendons, the equal moment segment length, span - to - depth ratio of the beam, valid initial prestress of the external tendons, area of the internal tension reinforcement, strength of the concrete, vertical distance between
在公式推導的基礎上,結合相關試驗資料,研究了體外筋的形狀、等彎矩區長度、梁跨高比、有效張拉預應力、體內受拉筋配筋率、混凝土強度、錨固點到樑上邊緣在垂直方向上的距離、體外預應力筋水平段長度(雙折線型體外筋的情況)以及荷載類型等對體外預應力混凝土簡支梁受力性能的影響。The submarine noise detected by sonar consists of two parts : propeller - generated hydro - dynamical noise, which can be greatly reduced by improving the submarine rear shape ; radiated noise from the submarine structure excited by the centrifugal forces ( moments ) of rotatory machine, which is more complicated and influenced by many factors
聲納所探測的潛艇噪聲包括兩部分,一是螺旋槳運轉帶來的水動力噪聲,二是潛艇主機工作時產生的不平衡力和力矩引起潛艇結構振動,帶動流場振動從而輻射噪聲。通過改進潛艇尾部線型設計,已將水動力噪聲降到比較低的程度,而結構噪聲則復雜得多,與許多因素有關。Only through control of roll moments could a pilot maintain a level trajectory or dip a wing into a smooth banking turn
飛行員必須控制滾轉力矩,才能維持水平飛行,或將一側機翼向下壓,做出平順的傾斜轉彎動作。The differential equation of pump station start - up transient is established and derived from discharge balance and moment equation of pump unit
摘要本文從水量平衡及水泵機組力矩方程出發,建立起水泵從起動到同步的微分方程式。Through the physical model experiment, the wave forces over submerged dyke and transmission coefficient are analyzed under the action of regular wave. in the test of wave forces, the rectangle - type submerged dyke is used as research object, and when analyzing the total wave forces, the effect of water depth before the dyke and that of the wave parameters is considered. based on the test, through the methods of multi - element linear regression, experimental formulae are given to calculate maximum total wave forces in horizontal direction, its relative vertical wave forces and maximum wave forces before and after the dyke, which are compared with the present formulae
在潛堤波力的研究中,選取矩型潛堤作為研究對象,在分析各個影響因素對潛堤波力影響的基礎上,選取兩個最主要的影響因素,即相對波高和相對水深作為研究重點,在物理模型試驗結果的基礎上,定性地研究分析了潛堤所受的總波力隨相對波高和相對水深的變化規律,並在此基礎上,利用多元線性回歸的方法,分別給出了在本文試驗條件下計算潛堤最大水平總波力及其相對應的垂向總波力的經驗公式以及計算堤前堤后最大總波力的經驗公式,並與已存在的計算公式進行了對比。All kinds of resisting moment effects upon pump start - up process are fully considered and the different operational results of outlet gate with little flap valve are also reviewed
在計算過程中,比較完整地考慮了各種阻力矩對起動過程的影響,同時重點考察了平直管出水流道,具有快速閘門帶小拍門斷流裝置形式的起動效果。It also has restrained the sustainable development of the mutton sheep industry in hebei, and affected further improving of the competitiveness of the mutton sheep industry in china. to solve these problems the paper points out creatively the concrete and formal management objectives, principles and methods. it ' s content is the matrix organizational structure, the open contractual operation manner, the personal and group inspiring plan, the management style of the personnel reward and training, the framework of production system, the process and function of mis, etc. through the preliminary study on formal management and mis, the paper tries to provide a theoretical base for stud ying on the transition from the traditional management to a modern one, in order to enforce the direction to the mutton sheep pen ' s modernization, industrialization, and intensity in management and operation
個業的組織結構管理、人力資源管理、庫存管理、銷售管理、生產作業管理利生產經營方式管理等方面,無序、隨意、人治的管理現狀制約了肉羊養殖企業管理效率的提高、產品質量的升級,制約了河北省肉羊業的持續、穩定發展,也制約了中國肉羊業競爭力水平的再提高,為此,創新性地提出了關于肉羊養殖企業的矩陣組織結構、外包生產經營方式、員工個人和集體激勵計劃、員工薪酬和培訓的管理方式、生產系統框架、管理信息系統的流程及其功能等具體規范化管理的目標、原則和手段等。The cycloid function is used to generate the horizontal and vertical foot trajectory respectively, and a modified cycloid function is used to make the acceleration curve of the joint more smooth and successive, the trajectory and drive moment of each joint is calculated by simulation
使用擺線函數分別產生足的水平和垂直方向的運動軌跡,用修正擺線函數使其加速度進一步平滑、連續,對各關節的運動軌跡和關節驅動力矩進行了模擬。Contrast with the results, the dissertation concludes that the axial loads of column have no essential variation, the variations of moments and shear forces of column are small under horizontal loads in contrast with the structure system in elastic ground, the moments and shear forces variation of column cannot be neglected, and the structure system with different foundation have the close degree variation
通過對比分析,本文認為水平力作用下交錯桁架體系柱的軸力基本不變,彎距及剪力響應數值變化不大。豎直荷載作用下,與彈性地基計算結果比較,彎矩及剪力均存在不可忽略的變化,且不同形式基礎其影響的程度基本相近。By establishing force equilibrium equations, a mechanical model for calculating the friction on the string is set up, and the analytical formulas for calculating the hook load and wellhead torque when the string is tripped in
通過建立管柱受力平衡方程,推導出水平井管柱入井時摩阻計算的力學模型,分析計算了在穩定和旋轉方式下管柱入井時的大鉤載荷和井口扭矩等重要技術參數的解析公式。So, for the design of prestressed frame, the later coefficient may be considered as the parameter of modulation of moment and the moment modulated is the moment caused by the vertical load plus the one by the horizontal load
因此,在預應力框架設計中,可以取只承受豎向荷載的彎矩調幅作為其調幅標準,調幅彎矩為豎向荷載產生的彎矩與水平荷載產生的彎矩之和,即用最小的彎矩調幅系數來調整截面的彎矩。For the structure that the side - frusta is also used as retain wall, considering the side frusta fastened on the weir body, the plane stress is calculated at first. then the moments, horizontal shear force and vertical force on the bottom of the retain wall are applied as fixate, and stress distribution on the weir body are calculated piecewise
對于邊墩兼作擋上墻結構,通常是將邊墩視為固端于巖體上,先進行下端為固端的擋墻平面受力計算,再將擋墻下部的彎矩、水平剪力和垂直力作為集中外荷載進行堰體的應力計算,堰體也只能分段進行片面受力計算。分享友人