撓度曲線 的英文怎麼說
中文拼音 [náodùqūxiàn]
撓度曲線
英文
deflection curve- 撓 : 動詞1. (輕輕地抓) scratch 2. (擾亂;阻止) hinder 3. (彎曲,比喻屈服)yield;flinch:不屈不撓indomitable; unyielding
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 曲 : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
- 線 : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
- 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
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Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic
提出了一種針對小撓度曲線的逆向曲線光順演算法,該演算法直接擬合曲線型值點列的二階導數曲線,然後通過兩次積分來反求出光順后的曲線,並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。First, using strip - partitoning method and programming in matlab language, the numerical caculations of the relation curve between moment and curvature are done for the beams strengthened with non - prestressed and pretressed cfrp sheets, base on the assumption of plane section, non - bonding slip and non - peeled destroy. secondly, nolinear finite elemeant analysis by ansys are done for the beams strengthened with prestressed cfrp sheets base on the three assumptions before mentioned, the analysis are all done for the relation curve between load and displacement, the distribution of material stress, the distribution of cracks. lastly, calculation formula of flexural capacity and deflection are proposed
)的全過程關系曲線。其次基於上面的三個假定,選擇合理的本構關系,利用ansys通用有限元分析程序對預應力碳纖維布加固梁進行非線性有限元分析,分析了加固梁的荷載-撓度關系、材料的應力情況、裂縫的分佈情況等。最後提出了承載力計算公式和正常使用狀態下撓度計算公式。A load - displacement full - process analyzing program of cfrp - confined rc eccentrically loaded columns is given. the computed results of load - displacement coincide with test results
編制荷載-撓度全過程計算程序對碳纖維布約束偏壓柱進行數值分析,程序計算曲線與試驗曲線吻合良好。According to eigenvalue equation ( general formula ) of the energy method of the plane steel frame structure stability, and considering the restriction of the end of the column of the main steel frame and function of deflection curve gained from the differential balance equation general resolution, we get the equation for calculating the length coefficient of the main frame structure stability of the steel arch gate and the resolutions are also given
根據平面剛架穩定性能量法特徵值方程(通式) ,考慮弧形鋼閘門主框架柱的柱端約束的特殊情況,求出撓曲線函數(試解函數)通解,得到弧形鋼閘門主框架柱穩定性計算長度系數方程。其中弧門主框架主橫梁式形框架的臨界荷載比較現行規范推薦的有限元法簡單方便、結果精確及物理概念明確等優點。Dq method for the deflection of thin rectangular plates
矩形薄板線性彎曲撓度的微分求積法研究Based on analysis of the iso - rigidity of the gyro assembly, the requirement for making the joints match each other is offered, which has a guiding significance for joints assembly and selection. based on analysis of rigidity and drift error for the dynamically tuned gyro, a cross model including an inner and an outer flexible hinges is established
在對動力調諧陀螺剛度和漂移誤差分析的基礎上,建立了由內外撓性接頭裝配所形成的十字型鉸鏈模型,並利用偽剛度理論對該模型進行了分析,得出了內外撓性接頭兩鉸鏈的相對位置關系對十字型鉸鏈模型的影響曲線。The main purpose of this paper is to realize the section properties and moment capacities of profiled sheets by experimental study and academic analysis for three types of profiled metal sheets which are called u450, u860and super combination profiled metal sheets produced by shanghai baosteel metallurgical construction corporation. its main contents include : ( l ) according to " european recommendations for the testing of profiled metal sheets ", the moment capacities of 32 full - size u450 and u860simple and continuous specimens are tested. ( 2 ) using the finite element program ansys and nonlinear finite element method, the moment capacities of super combination profiled metal sheets profiled are analyzed
主要內容有: ( 1 )依據《金屬壓型鋼板試驗歐洲建議》 ,進行了32塊1 : 1的u450 、 u860二類壓型鋼板試件簡支、連續板彎曲性能試驗研究; ( 2 )採用有限元程序ansys對超級組合壓型鋼板受彎性能進行了非線性有限元分析,分析中考慮了大變形與幾何初缺陷,得出其荷載?撓度曲線與極限荷載p _ ( max ) ,通過截面特性與曲線斜率、極限荷載的關系式得到截面特性;並將分析結果與同濟大學試驗結果進行對比分析。As soon as the normal section cracks, the crack firstly appears in the flexural region. at this moment, the load - deflection curve has a turning point. with the increase of the load, the rigidity of the beam decreases compared with that before cracking because of the development of cracks in flexural region, and the formation and development of diagonal cracks toward the loading point, the load - deflection curve is basically linear till the beam fails
正截面開裂前,荷載撓度曲線基本為線性,截面剛度較大;正截面開裂時,裂縫先在純彎段出現,荷載撓度曲線出現轉折點,隨著荷載的增加,純彎段正裂縫的發展以及剪跨段斜裂縫的產生並向梁的受壓區加荷點發展,使梁的剛度較截面開裂前減少,荷載撓度曲線也基本為線性直到梁破壞。Nonlinear constitutive relations are discussed for analyzing the stress distribution, the appearance and development of the cracks, as well as the behavior of the boundary conditions of the two way slabs respectively. in the light of the experimental research on r. c. two way slabs under static loading, the behavior of yield line, the load deformation curves and the crack yield, plastic limit loads of slabs with different supporting conditions are studied
根據反映雙向板混凝土材料非勻質性的本構關系,分析了雙向板在荷載作用下的變形、屈服、裂縫和破壞的形態特性,並對鋼筋混凝土雙向板在不同支承條件下的塑性極限荷載、正常使用撓度(曲線)和截面設計作了進一步研究。Static deformation of a beam with directional attached piezoelectric elements
用固支梁撓度曲線模擬高速路基本超車過程The computational load versus deflection curves agree with the test results
計算得到的荷載?撓度曲線基本吻合試驗曲線。3. the test study indicates that the load - deflection curves of frp reinforced concrete beams reinforced can be divided into two linear stages through the boundary point of initial cracking
試驗研究表明,纖維增強塑料筋混凝土受彎構件的荷載撓度曲線以截面初裂為界限點分為兩個線形階段。Five prestressed concrete testing beams were designed with different reinforcing distance. based on experiments of frp prestressed concrete beams, failure pattern 、 load - deflectioncurve 、 stress increasing and so on are studied systematically
設計了五根不同加固距離的試驗梁,對試驗梁的受力過程、破壞形態、荷載-撓度曲線、纖維筋應力增量等進行了詳細分析。For each curvature incremental step, a deformed curve in the correspondi ng state can be determined for the column. through the iteration for all incremental steps until the solution is convergent, the complete load - deformation relation can then be obtained
對各曲率增量進行反復迭代,直至得到收斂解,就獲得了長柱從加載到破壞的全過程變形曲線及荷載-撓度曲線。The load - displacement curves and moment - curvature curves that calculated from the full - course analysis program are in accordance with the resuits of experimental especially in prime period of ioad presents the program is avaiiable
試驗和全過程分析得到的荷載-撓度曲線對比表明:在加載前期兩者的曲線吻合較好,證明全過程分析能反映碳纖維加固梁的受力特點及程序的正確性。Two methods were compared with the finite element method and experiment. it proved that method based on large deflection was reasonable and effective. it can provide initial parameters for the design of sma actuator
與相關研究中採用的將撓度曲線假設為圓弧的方法進行了對比,通過有限元方法和實驗進行了驗證,結果表明,基於大撓度理論的研究方法更為合理有效,並且這種方法還可以為sma驅動器的設計提供初始參數。And the calculated results closely coincide with experimental results. furthermore, the paper, through applying the improved algorithm to the load - deflection curve and secondary load, also the calculated curves closely coincided with experimental results ( showed as chart 3. 17 - 3. 20 )
本文還將改進的演算法運用於粘貼加固受彎構件的荷載?撓度曲線和二次受力問題的計算中,得出與試驗結果吻合較好的計算曲線(圖3 . 17 3 . 20 ) 。Then, by analyzing the extensive test data of load - displacement and bear - curvature, we can conclude that the crack resistance, bearing capacity of normal section and short - dated rigidity will be improved a lot when the strength of concrete is not so low
然後,通過對各組試件的荷載-撓度曲線的進一步分析表明:對于混凝土強度等級高於c15的鋼筋混凝土梁,採用這種粘角鋼加固法能有效提高鋼筋混凝土梁的正截面承載力和短期剛度。But method based on large deflection theory was proposed in this paper. accordingly, output force and displacement of each sma actuator under anticipative attitude was obtained as well as accurate coordinate of the center of the joint and deflection curve equation of the axis of the active catheter
基於大撓度理論對主動導管做了力學和運動學分析,相應獲得了預期姿態下各個sma驅動器上的輸出力和輸出位移,以及精確的關節中心位置坐標和導管軸線撓度曲線的具體形式。Observing the mechanics and effect of the new strengthening method with test and finite element method is supposed to offer a guide for technology and become valuable in theory and practice. both compression test, including four reinforced and three control specimens, and shear - compression test, including nineteen reinforced and four control specimens are being studied in this paper. the research on the curves of load - strain, load - deflection and hysteretic shows that the transverse translation of the reinforced columns is well controlled with an upgrading of both ductility and ultimate bearing capacity ( ubc )
本文對4根鋼絲網外噴高強砂漿加固鋼筋混凝土柱和3根對比鋼筋混凝土柱進行了軸壓試驗研究,並對19根加固鋼筋混凝土柱和4根對比鋼筋混凝土柱進行了剪壓試驗研究;通過對試件荷載-應變曲線、荷載-撓度曲線和滯回曲線等的研究表明,採用該加固方法能有效的約束柱子橫向變形,並對提高鋼筋混凝土柱的極限承載力和延性有明顯的效果;同時根據理論及加固機理分析提出了適應於此加固方法的軸壓極限承載力計算公式。分享友人