撓曲彎形 的英文怎麼說
中文拼音 [náoqūwānxíng]
撓曲彎形
英文
flexural deflection-
In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered
確定了船體梁整體破壞時的剖面應力分佈之後，關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式，即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響，使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲，採用解析法推導出筋的腹板的撓度方程及其邊界條件，求解相應的方程，從而計算出腹板的局部屈曲應力。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。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。On the basis of relative researches in the world, according to the study status of steel - concrete composite slab, which would be widely used in modern bridge, modified equivalent inflexibility of steel - concrete composite slab was deduced by use of conversion section principle in this paper ; based in this, this paper put forwards the theory of ultimate flexural capacity of steel - concrete composite slab in consideration of slip effect, and introduces the practical simplified method for calculating flexural deformation of steel - concrete composite slab in consideration of the effect of steel studs and welded wire, and conclude that the methods in this paper is veracious and reliable, comparing with the traditional calculating mode ; morever, this paper put forwards the calculating theory and program of the effect analysis of creep and shrinkage to steel - concrete composite slab, using conversion elastic modulus principle, and testifies that the theory is right and the program is reliable and practical
本文在國內外研究成果的基礎上，針對壓型鋼板與混凝土組合板結構在現代橋梁建設中廣泛應用前景和研究現狀，利用換算截面法導出了壓型鋼板與混凝土組合板結構的修正等效慣性矩；在此基礎上，又推出了考慮壓型鋼板與混凝土之間的相對粘結滑移影響的壓型鋼板與混凝土組合板結構極限抗彎承載能力計算理論，並介紹了考慮栓釘、聯結件影響的壓型鋼板與混凝土組合板結構簡化實用撓曲變形計算公式，而且通過與傳統計算理論的分析比較，表明本文提出的計算理論公式的準確可靠性；此外，採用換算彈性模量比法著重提出了壓型鋼板與混凝土組合板結構的徐變、收縮效應分析的計算理論和程序，並通過實例分析計算證明了理論的正確性、程序的可靠性和實用性。According to the transferring matrix method, the paper presents a method for calculating the deflection of a filament wound tapered tube at bending and the calculation result is proved by experiment results
本文以傳遞矩陣法為基礎，計算纖維纏繞錐管在彎曲載荷作用下的撓曲變形，並以實驗結果驗證了計算結果。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。At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections
首先利用鋼筋混凝土非線性平衡試演算法對天津大學試驗進行了理論分析，所得分析值與試驗結果相比，加固梁的屈服荷載、極限荷載能夠很好地吻合，彎矩曲率關系曲線及彎矩撓度關系曲線較為吻合；其次，為了滿足實際工程的需要，根據碳纖維布加固構件可能發生的三種破壞形態（壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞） ，區別三種鋼筋混凝土構件截面形式（單筋矩形截面、雙筋矩形截面、 t形截面） ，分別給出了碳纖維布加固混凝土構件抗彎承載力的簡化計算公式和適用條件，並進一步探討了這三種截面形式下進行加固設計和復核的步驟。In the other method, young ' s modulus, residual stress, and bending strength are characterized under a wedge tip by means of micro bridge deflection tests
利用楔形壓頭和薄膜微橋撓曲法，得到了標準氮化硅、低應力氮化硅和氮化鋁薄膜的楊氏模量、殘余應力和彎曲強度。A sensing magnetic field and displacement type of giant magneostrictive microdisplacement actuator with the functional of sensing driving magnetic field and microdisplacement is developed, and the design theories and approaches being applicable this type of microdisplacement actuator are pointed out : a circular diaphragm type of flexible construction that acts as integration mechanism of microdisplacement transferring and sensing of giant magnetostrictive microdisplacement actuator is adopted, sheet flexure theory of elasticity mechanics and approach of finite element are applied to design and calculate it, corresponding deflection and analytic formula and distribution curve of stress are given, and the specific achieving approaches of measuring principle and magnetic field sensing function of driving field in giant magnetostricitive rod are pointed out the magnetic field sensing function of the actuator is used to practically measure driving magnetic field of actuator and to obtain the relationship of driving magnetic field and coil current, which is also analyzed and studied
其中，採用圓形膜片式柔性結構作為超磁致伸縮微位移執行器的微位移傳遞、感知一體化機構，應用彈性力學中的薄板彎曲理論、有限元方法對其進行了設計、計算，並給出了相應的撓度和應力解析式及分佈曲線；應用電磁理論給出了超磁致伸縮棒內驅動磁場的測量原理及磁場感知功能的具體實現方法，並利用執行器的磁場感知功能對其驅動磁場進行了實際測量，得出了驅動磁場與線圈電流之間的關系，並對其進行了分析和研究；對執行器內部的電磁路和偏置磁路結構進行了設計計算與實驗研究，為了減小驅動線圈的發熱，對其形狀進行了優化設計。The progress of this method can be divided into two steps. one is found the relations of the moment, compression force and the curvature on the base of the balance of the internal force. the other step is to found the relation of the flexibility, corner and the curvature through the elemental deformation curve
該方法的計算過程可分為兩大步驟：第一步根據截面內力平衡條件建立彎矩、壓力和曲率之間的關系；第二步根據構件的變形曲線建立撓度、轉角和曲率之間的關系。分享友人