moment of a force 中文意思是什麼
moment of a force
解釋
力矩-
The aerodynamic characteristics of a projectile with wrap around fins are studied systematically in this paper, as follows : 1. the lift coefficients 、 drag force coefficients 、 pitch moment coefficients 、 pitch damping moment derivatives and roll damping moment derivatives are obtained from engineering calculation through looking wrap around fins as flat fins of the same projection aera
本文對某卷弧尾翼彈氣動特性進行了系統研究，主要內容與結論為: 1 .將卷弧翼按照相同投影面積的平板翼進行工程估算，得到升力系數、阻力系數、俯仰力矩系數、俯仰阻尼導數、滾轉阻尼導數曲線。 -
Abstract : the paper probed the analysis on the adding mode of perpendicular load in multistorey building structures, the bending moment of frame side beams and the top, the bending moment of secondary beams, the difference between the tie - beam, plane - frame analysis and the space analysis on the path of conduct force, ect. it can be used as a reference when probing these problems
文摘:討論了在多項高層建築結構分析中垂直荷載加載模式的選擇，框架邊梁和次梁端部的彎矩計算，連梁問題和平面框架分析與空間分析在傳力路徑上的差別以及單片剪力墻平面外彎矩等問題，可供同類結構內力分析時參考 -
Two numerating methods are used in traditional structural design of gate chamber. first, considering the gate frusta to be fastened on the weir body, it is calculated as plane stress problem independently. then applying the results ( moment and vertical force ) on the bottom of gate frusta as concentrating load on the weir body, and the weir body is viewed as a elastic foundation beam or plate and unilateral stress analysis was performed
傳統閘室結構計算有兩種計算方法，其一是將閘墩視為固端于堰體上，單獨進行閘墩平面受力計算，再將閘墩下部的計算結果（彎矩和垂直力）作為集中荷載作用於堰體上，堰體作為彈性地基梁或板進行片面應力計算。 -
A brief introduction to the project and its main results are as follows : overall considering the feature of the force from two couple support wheels 6 formulas of calculating the push force, support force and moment of tpih have been concluded
主要內容和結果如下：在全面考慮兩對支撐輪作用下加熱彎管過程受力特點的基礎上，推導出了加熱彎管彎曲時推力、彎矩、支撐力等6個計算公式。 -
This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten
本文結合框架-剪力墻實例，研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工作的微分方程及求解，得出框-剪結構在倒三角形荷載作用下的側移曲線、彎矩、剪力分佈曲線，經分析對比，得出框-剪結構最佳剛度特徵值區間。 -
The optimum balancing of a four bar linkage with elastic links is studied, in which the control torque of redundant drives is taken as the design variable, and the shaking force and shaking moment of the mechanism are taken as the objective. the numerical simulation shows validity of the method
針對一平面彈性四連桿機構，以其震動力和震動力矩的加權和為目標函數，以冗餘驅動力矩為變量，對附加冗餘驅動的彈性機構進行最優平衡，其模擬結果表明該方法是有效的。 -
In this paper, the drive theory of the large ratio friction transmission is studied ; a new type elliptical cam wave generator is designed ; the large ratio friction transmission prototype is designed and manufactured ; based on the ansys finite element method software, structure of the elliptical cam is analyzed ; precision index of the manufactured large ratio friction transmission prototype, such as transmission accuracy, least step, stability of the least step, load capacity is measured by the absolute rotary encoder. by analyzing the measurement data and research content, it is think that the new elliptical cam wave generator could overcome a good many problems brought by processing errors, facilitate size precision adjustments, input moment can be achieved in the form of a pure force couple importing ; through this study, " the large ratio friction transmission prototype " could apply in practical engineering basically
本文研究了大速比摩擦傳動的傳動理論;設計了新型橢圓凸輪波發生器，設計製作了大速比摩擦傳動樣機;用軟體ansys對所設計的橢圓凸輪結構進行了有限元分析;用19位絕對式編碼器測試了大速比摩擦傳動機構的傳動精度、最小步距、最小步距的穩定性以及帶負載能力等各項精度指標;對測量數據和研究內容進行了歸納和整理，認為新型橢圓凸輪波發生器克服了加工誤差帶來的諸多問題，新型橢圓凸輪波發生器可以進行尺寸精度調整，能夠達到輸入力矩以純力偶的形式輸入;通過本項研究，基本可以使「大速比摩擦傳動機構」在工程中得以應用。 -
Therefore, the safety of bulk carrier is widely concerned ; the theory of insubmersibility is followed by the introductions of domestic and international regulations, solutions, rules and requirements on the floodability ; introduced are the conditions of hold in flooded condition, and provided are the calculation methodology of the stability and buoyancy when flooding. the concept of cargo permeability is concretely defined, and the calculation methods of the amount of flooding waters are executed ; the application of the influence numbers simplify the calculation of the still water bending moment and shearing force in flooded conditions. a new method to calculate the maximum still water bending moment and shearing force is developed by means of the influence numbers ; the simulation system provides a means of evaluation and forecast on ship ' s danger extent after ship is damaged
在抗沉性公式的推導過程中採用一些假設，並分析了這些假設對結果的影響；然後介紹了船舶強度的概念和計算方法，鑒于現有的剪力彎矩計算方法工作量大、效率不高的缺點，引用影響數計算船舶進水后的剪力和彎矩；最後根據船舶抗沉性理論對散貨船破艙進水進行模擬，在模擬中根據船舶破艙的實際危險情況，採用直觀的圖形輸入的辦法，判斷船舶的危險程度並計算船舶到達危險狀態的時間以助於船長做出正確快速的決策。 -
The prestressed continuous beam - arch composite bridges are a special structural system where the horizontal thrust of the arch rib is absorbed by a prestressed tie at deck level. in some cases, this type of structure is preferable because it does n ' t have the large thrust at the spring hi traditional arch bridges and the somewhat large bending moment and shear force in traditional beam bridges. as a result, the performances of the prestressing reinforcement can be efficiently utilized
它利用拱肋承擔壓力，系梁預應力束抵抗拱端推力，吊桿及縱橫橋面系結構承受橋面荷載，既克服了傳統拱橋巨大的拱端推力，又改善了連續梁橋較大的彎矩和剪力的受力狀況，最大限度地發揮了拱梁混凝土和預應力鋼筋各自的特點，經濟效益顯著。 -
The moment of inertia, damp and comeback can be adjusted. two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with two pressure sensors and a placement sensor
兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有兩個壓力傳感器和一個位移傳感器。 -
The major causes of falling - away of the steering universal joint of jiefang ca1111k2lw logging truck are analysed in a scientific way, implying that the steering universal joint is a key device for transfering moment of force
科學地分析了解放ca1111k2lw型運材車轉向萬向節脫落的主要原因，指出了轉向萬向節是傳遞力矩的關鍵裝置，詳細地介紹了在不改變萬向節上接叉設計情況下，通過在上接叉鎖定螺栓介面上加裝固定套，使之與方向盤縱桿頭花鍵凹槽緊緊配合的好方法。 -
This paper, in allusion to damage of expansion joint of bridge, introduces a sort of new structure of jointless device - semi - integral abutment jointless bridge, and establishes model of general structure finite element of this bridge, and in details analyses its qualities of stress. the model considers the interaction of superstructure - substructure - soil. resistance of the soil behind abutment adopts still soil pressure and elastic resistance when the temperature rising, but active soil pressure when dropping. analysis of qualities stress of bridge includes of action of dead load, car load, temperature load of season character. taking an 100m length pc semi - integral abutment jointless bridge as instance, the paper establishes the model of plane frame by applying large common software - anasys, and analyses it by elastane and large deformation to imitate character of stress and deformation of general bridge. at the same time corresponding models of finite element of joint bridge and integral abutment bridge are established, and unique stress and performance of structure of semi - integral abutment jointless bridge are researched by comparing and analysing character of three different models under same loading, and controlling factor of design and constitution are generalized. in conclusion, for semi - integral abutment jointless bridge, on one hand shear, moment and deflection of the main beam and axis force of substructure are approximate with that of joint bridge, and integral stifmess of structure is increased and damage of expansion joint is eliminated, on the other hand there is axis force in main beam, shear and moment of substructure are bigger than that of joint bridge. in all this type of jointless bridge has rational stress and is worth of application and popularization
半整體式橋臺無縫橋梁計算模型考慮了上部結構-下部結構-土的共同作用；臺後土抗力升溫時採用靜止土壓力加彈性土抗力，降溫時採用主動土壓力；分析橋梁受力性能時考慮了結構自重、車輛荷載和季節性溫變荷載的作用。以一座橋長100mpc半整體式橋臺無縫橋梁為實例，採用大型通用軟體ansys建立平面框架模型，進行彈性、大變形分析，模擬全橋受力和變形特點；同時建立與此對應的有伸縮縫橋梁和整體式橋臺無縫橋梁有限元模型，通過三種橋型同步加載對比分析，研究半整體式橋臺無縫橋梁獨特的受力特點和結構性能，總結其設計控制因素和構造要求。通過本文研究知：半整體式橋臺無縫橋梁主梁的剪力、彎矩、撓度和下部結構的軸力與梁式橋相近，結構整體剛度增大，併除去了伸縮縫病害；但主梁增加了軸力，下部結構剪力、彎矩較梁式橋大；綜合分析是一種受力合理有實踐和推廣價值的橋型。 -
Two electro - hydraulic servo systems analog rolling moment and swaying force of wave respectively. the two systems both use electro - hydraulic servo valves, in which the analog rolling moment system adopts gear - rack swing hydraulic - pressure oil vat with torque sensor, while the analog swaying force system employs double shanks hydraulic - pressure oil vat with a placement sensor
兩套電液伺服系統均使用流量電液伺服閥（採用外供油方式） ，其中模擬橫搖力矩的伺服系統採用齒輪齒條擺動液壓油缸，配有扭矩傳感器，模擬橫蕩力的伺服系統採用雙出桿液壓油缸，配有一個位移傳感器。 -
A detailed study has been made of the main problems of test rolling analog table simulation, including simulation of wave disturbance force / moment and attenuation force / moment of the ship. moreover, the adjusting method of test rolling analog table is given
討論了試驗搖擺臺模擬船舶運動中幾個主要問題，包括海浪干擾力（矩） 、阻尼力（矩）的模擬及實哈爾濱工程大學博士學位論文現等；給出了試驗搖擺臺的調整方法。 -
The calculation results indicate that for steel frame in semi - rigid joints cases, the top story deflection, the displacement between two stories, the moment at the center of a beam and the initial end moment at column is larger, nevertheless the end moment at beam and the shear force between two stories
分析表明：半剛接和剛接相比會使框架結構的柱頂側移、層間位移、跨中彎矩、柱腳某些部位彎矩增大，而梁端彎矩和層間剪力減小。 -
After discussing the theoretical basis for a designing method of cam mechanism based on output force ( moment ) characteristics, a new designing method for that mechanism is presented and then, employed for designing a spring actuating mechanism in vacuum circuit breaker with singlephasy single breaker contact which operates under the condition of high - voltage and large - current. the application of this method shows that the cam mechanism designed by using the method presented can completely meet the requirement of output force characteristics for the mechanism and, furthermore, the performance of the mechanism is remarkably better than that of similar mechanisms designed by using conventional methods
介紹了一種按輸出力（力矩）特性曲線設計凸輪機構的新方法.闡述了這種設計方法的理論依據，並將這種設計方法應用在高電壓等級、高工作電流單相單斷口真空斷路器的彈簧操動機構中.結果表明：用這種方法設計的凸輪機構完全能滿足機構所要求的輸出力特性的要求，且機構的性能明顯優于用傳統方法設計的機構 -
Meanwhile, the key research topics are focused on how to reduce the differential settlement between the main tall building and the anex on soft ground, where to set the post - cast strip, and what cause the smart change of the internal force of plate under the core canister of tall building. an experiential equation for estimating the maximum moment of plate is advanced. a method for calculating the range and the thickness of the local enganced plate and another experiential equatio n for estimating the increment of maximum moment of the local plate are also suggested
同時著重就軟弱地基中減小高層建築主裙房之間沉降差異的措施、施工后澆帶的設置位置，以及高層建築核心簡體下筏板內力變化劇烈等問題展開了分析，提出了筏板最大彎矩估算值的經驗公式，獲得了簡體下局部筏板加厚處加厚范圍及加厚厚度的取值方法及加厚處最大彎距增幅估算值的經驗公式，為今後設計同一類型高層建築提供一些借鑒。 -
C ompared the results of structural period, displacement and internal forces of mode 1 with mode 3, we can know that the hypo - frame can increase the lateral stiffness of the mega steel - frame structures, decrease lateral - deformation of the structures, especially decrease the maximum inter - storey displacement obviously, and get the internal forces and deformation of the whole structure more uniform. from the analysis results, it can be found that the maximum axial force gets less with hypo - frame than without it, and the maximum shear force and bending moment get more with hypo - frame than without it. thus it can be seen that the mainframe can be an independent structure system by itself, but the cooperation of main and hypo frame should be considered for conducting the entire analysis and design, otherwise the mega structure can be unsafe, in addition, from the comparing analysis, it can be found that the shear force and bending moment of inside - row columns are increased much more than those of outside - row ones in a mega column
通過3個算例方案1和方案3結構周期、位移和內力反應的比較分析可知，次框架可以進一步增加巨型鋼框架結構的抗側剛度，減少結構側向變形，特別是明顯減少了結構最大層間位移，使整個結構的內力與變形分佈更為均勻；次框架的加入使主框架柱最大軸力較無次框架情況減少，而主框架柱的最大剪力和彎矩較無次框架情況都有所增加，由此可知，雖然主框架本身可以成為獨立的結構體系，但在分析設計時，還應該考慮主、次框架協同工作，進行整體分析、整體設計，否則結構會偏於不安全。 -
Firstly, behavior and destroying mechanism of pile under inclined loads are systematically discussed based on summary of research on pile under inclined loads home and abroad, and then a power series solution for displacement and stress calculation of pile under inclined loads in layered soils is presented. based on the solution, the calculation of soil reaction force at the flank and bottom of piles, vertical and horizontal displacement of piles and maximal bending moment of piles is concluded
本文首先系統地回顧了國內外傾斜荷載樁研究工作，在此基礎上詳細討論了傾斜荷載下基樁的受力特性和破壞機理，從而導出了處于成層地基中的傾斜荷載樁的內力及位移分析的冪級數解，並以冪級數解的分析結果進一步導出了樁側及樁端土體抗力、樁身豎向及水平位移、樁身最大彎矩的計算方法。 -
At first, this thesis analyzes the main causes in theory, which have effects on the redistribution of internal force and modulation of moment for the bonded post - tensioned partially prestressed concrete frame ( for short prestressed frame ), including the relative height of compressive zone of section ( ), secondary moment and types of load applying. then, this thesis analyzes the test of prestressed frame. then, a method, called curvature - force method, for nonlinear analysis of prestressed frame is put forward
本文首先從理論上分析了影響后張有粘結部分預應力混凝土框架（簡稱為預應力框架）內力重分佈和彎矩調幅的主要因素，即相對受壓區高度、次彎矩和加載方式等，並初步分析了兩榀只加豎向荷載和兩榀既加豎向荷載又加水平荷載的單層單跨預應力框架靜力加載的試驗。
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