elastic deflection 中文意思是什麼

The practical issue of drum brake with oversized overall stroke was resolved by experiments, and it indicates that major effect factors of air chamber overall stroke, which are the drum - shoe clearance, the elastic modulus of lining, the torsion deflection of cam shaft

研究結果表明，氣室推桿總行程過大的主要影響因素為制動蹄與制動鼓之間的間隙、摩擦片的彈性模量、凸輪軸的扭轉變形。

In light of the elastic thin plate theory, the author induced equilibrium differential equation of bi - direction cellular slab, which was proved correct through analysis and comparison to result of ansys to with theoretical calculation. through the deflection and bending moment coefficient calculation of bi - direction cellular slab under various boundary conditions, the author brought forward the theory that the deflection of mid - span and bending moment coefficient calculation of mid - span and support of bi - direction cellular slab could be in accordance with solid plates ", which could satisfy the precision of engineering

本文根據彈性薄板理論，導出了雙向空腹板的平衡微分方程，並通過理論計算和通用有限元程序ansys結果對比，驗證了其正確性；通過對各類邊界條件下雙向空腹板撓度和彎矩系數的計算比較，本文提出：雙向空腹板跨中撓度及跨中、支座彎矩可使用本文空腹板剛度公式查找現有的實心板撓度彎矩系數表進行計算，完全能滿足工程精度要求。

The linear elastic slope deflection equations of gable portal frames when occur the side - sway and non - sway buckling are derived. the equations considere the rafter slope and the vertical uniform loading subjected on the rafter. the established equations of non - sway buckling can consider the effect of snap change effect of gable frame

推導了山形門式剛架有側移失穩和無側移失穩的線彈性位移方程，方程考慮了斜梁傾角和斜樑上豎向均布荷載的影響;建立了能考慮山形門式剛架跨變效應的無側移失穩位移方程。

The influence of side - crack on the elastic deflection of eccentric rectangular column

邊裂紋對矩形截面偏心柱彈性撓度的影響規律

However, the structural flexibility inevitably causes the elastic deflection and vibration. as a consequence, the positioning and tracking performance of flexible robots will tend to be degraded

但由於它結構的特殊性，機械臂在運動中會發生變形和振動，這給空間柔性機器人的定位和跟蹤控制帶來了很多的問題。

Secondly, for the elastic deflection and vibration of a free - floating flexible dual - arm space robot, an approach for lq optimum vibration suppression is developed, and some simulation results conducted to verify the effectiveness of the proposed methods

接著，針對空間柔性機械臂的彈性形變和振動問題，本文設計了lq最優控制器對其進行振動主動控制，並通過大量的模擬結果證明了方法的有效性。

However, due to the elastic deflection and vibration of the links, the flexible manipulator becomes an infinite dimension mimo system with distributed parameters, and is highly nonlinear and strong coupling. therefore, the model and the control of flexible manipulator are of great significance both in theory and in application

然而也正是由於連桿存在彈性變形和振動，使得柔性機械手成為一個高度非線性的、分佈參數的、強耦合的無窮維多輸入多輸出系統， ，因此其建模和控制也具有重要的理論意義和應用前景。

A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials

現在已經意識到，混凝土在其典型的位移曲線中呈現出的非線性特徵是由於裂縫在端部的緩慢擴展引起的，可以認為是混凝土的一種半脆性性能。這是在發現傳統的線彈性斷裂力學（ lefm ）和適合金屬類材料的斷裂模型不適用於混凝土研究時得出的結論。

( 3 ) the deflection upwards of simple supported beam is calculated by the means of unites elastic and plastic analysis into finite - element theory

（ 3 ）利用混凝土的彈性徐變計算理論對預應力混凝土簡支t梁的起拱度進行了編程計算。

As regards to the spheric thin shell structure under external hydro static pressure, basing on flat - plate theory and by using basic von karman equations for large deflection, the equilibrium problem of axisymmetric bending of the spheric shell under uniform external pressure is simplified to an equilibrium problem of bending of elastic basic flat - plate and further converted into an equilibrium problem of beam on elastic fundation taking into consideration of the deformation characteristics

對球形薄殼結構隨靜水外壓的情況，應用平板理論中的vonkarman大撓度基本方程，將球形薄殼在均勻外壓下的軸對稱彎曲平衡問題簡化為彈性基礎平板的彎曲平衡問題，進而再根據變形特點將其轉化為彈性基礎梁的復雜彎曲平衡問題。

Abstract : this paper introduces the global stiffness, strength and stability of bracing structure with long span, pointing out that the control of bracing structure ' s deflection and elastic module can make the arch ring fit the line of pressure and arch axis and can guarantee the stability of bridge structure

文摘:本文介紹了大跨度支撐結構的整體剛度、強度和穩定性，控制支撐的撓度和彈性變量可使拱圈符合設計壓力線與拱軸線，保證橋梁結構的穩定性。

In the analysis of the elastic local buckling strength of the plates in stiffened plates, an analytical expression is derived for calculating the local strength of a stiffened plate subjected to biaxial thrust considering plate / stiffener interaction and welding residual stresses and initial deflection

由於船體中的加筋板結構的受力情況是十分復雜的，除了主要受到由於總縱彎曲而產生的縱向壓力以外，還會受到橫向的壓力以及垂向壓力。

The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。

In mechanics, the class of problems describes the deflection of a elastic beam fixed at left and clamped at right by sliding clamps

在力學上，這類問題描述了一個左端固定右端被滑動夾子夾住的非線性彈性的形態。

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。

Through theoretical analyses in the article, the highly tough top - coal deflection before destroying is in inverse proportion to elastic mould, in direct proportion to tensile strength, and the conclusion that bigger deflection roof can ' t sufficiently transmit the compressible support to top - coal is drawn

通過理論分析，獲得了高韌性煤層煤體在破壞前的撓度與彈性模量成反比，與抗拉強度成正比的關系，並得出撓度較大的頂板不能很好把支承壓力傳遞給頂煤的結論。

The results show that the elastic membrane thickness, actuator span and gap spacing have a strong effect on the deflection, the actuator undergoes the deflection increasing nonlinearly at voltages below pull - in voltage and snap through instability at voltages above pull - in voltage when subjected to a voltage ramp, the re - set time and repeatability are attractive when the actuated voltage is set to zero

結果表明，驅動器的彈性薄板厚度、跨度和電極間距明顯影響變形位移；驅動器的變形位移隨驅動電壓的增加出現穩定的非線性增加和不穩定的「拉入」現象；驅動電壓撤除后鏡面回復時間短，重復性好。

The increment - iteration solution strategy is adopted in the nonlinear finite element analysis. arc - length method and the incremental plastic reversibility procedure are used to find the complete load - deflection curve and deal with elastic unloading occurring in elasto - plastic analysis

有限元分析中採用增量?迭代方法，結合弧長法和塑性增量可逆的假定，可以計算出完整的荷載位移曲線，並考慮彈塑性問題中可能出現的彈性卸載問題。

In the dynamic equation both the viscoelasticity properties of belt, the run resistance, the inertia force of take - up, the belt ' s elastic modulus influented by the deflection of belt and the initial stress have been considered

所建立模型的動力學方程不僅考慮了輸送帶的粘彈性力學性質、運行阻力、張緊裝置的慣性力和輸送帶撓度變化下的彈性模量，同時也考慮了輸送帶初始張力的影響。

Analyzing and researching in the results of the plate ’ s deflection and bending mo - ment from calculating a mass of examples by the program. the laws of interactions of plates and foundation with arbitrary boundary are summarized. namely, discuss the influence of the thickness of plates h, foundation ’ s parameters k, t, the load q and other factors on the deflec - tion and bending moment of the moderate - thick plates on two - parameter elastic foundation

利用該程序計算大量的算例，對所得撓度和彎矩的結果進行了分析與研究，並總結了各種邊界條件下中厚板與地基相互作用的規律，即探討了板的厚度h ，地基參數k 、 t以及荷載q等不同因素對于雙參數地基上的中厚板撓度及內力的影響。