有限撓度 的英文怎麼說

中文拼音 [yǒuxiànnáo]
有限撓度 英文
finite deflection
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 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
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 有限 : limited; restricted; finite; a little; not much
  1. Third, on the base of expatiating on experimental research method and theoretical research method of joints, the paper points out two kinds of valid methods, which are used to analyze the tube joints stress of dendriform structure by making use of semi - analytical method and inelastic large deflection finite element analysis method, confirms to apply the evaporative pattern casting process as the facture method of dendriform structure cast joints, and detailed dissertates the casting theory, casting process, generation cause and prevention measure of casting flaws, heat treatment method and inspection standard about cast steel joints

    然後在闡述樹狀結構節點實驗研究方法和理論研究方法的基礎上,提出了利用半解析法和彈塑性大元法兩種效分析樹狀結構管節點應力的方法,並給出兩種方法的詳細表達式及它們各自的優缺點。通過對鑄鋼件常見製作方法的介紹,確定了採用消失模法作為樹狀結構鑄鋼節點的製作方法,並詳細論述了用消失模法製作鑄鋼節點的鑄造原理、鑄造工藝、鑄造缺陷產生的原因及防治措施、鑄鋼節點的熱處理方法以及檢驗標準。
  2. 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和彎矩系數的計算比較,本文提出:雙向空腹板跨中及跨中、支座彎矩可使用本文空腹板剛公式查找現的實心板彎矩系數表進行計算,完全能滿足工程精要求。
  3. Using large - scale current finite element software algor, the author builds 3d finite element models for the five project, and analyzes flexural, temperature deform and natural frequencies of the five guideway girder projects

    運用大型通用元分析軟體algor ,對五種可能軌道梁結構方案建立元空間分析模型,進行、溫變形及自振特性的對比分析。
  4. 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通用元分析程序對預應力碳纖維布加固梁進行非線性元分析,分析了加固梁的荷載-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計算公式。
  5. Also, the thesis calculate and analysis the transverse deflection of steel box girder deeply in multiple factors. firstly, the article introduced the calculative methods and theory of local stress and strain of bridge structure. then program software system of finite element method was introduced. after that, the influential factors to the calculatial result and their values were analysed and suggested

    本文首先介紹了橋梁結構局部應力應變計算理論和方法,對元計算程序進行了介紹,然後分析了縱橫隔板設置、梁高及梁寬變化等因素對鋼箱梁橋面板在恆載作用下的橫向的影響,並將這些計算結果進行對照分析,從而找出了影響橋面板橫向的主要影響因素,並得出了相應的數值可供工程實踐參考。
  6. 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元法簡單方便、結果精確及物理概念明確等優點。
  7. The results of finite element model and theoretical formula are proved to be in good agreement with the experimental results

    在基於現行規范的基礎上提出了組合梁跨中的建議計算公式把元模型和建議公式的計算結果與試驗結果進行比較,三者吻合良好。
  8. The proposed model is compared with experimental beams in the midspan cross - section deflections, strain distribution and the slip of supporting points

    為驗證單元法的正確性,對試驗梁進行了跨中、沿梁高應變分佈及梁端滑移的計算分析。
  9. On the basic of former research men ' s experience, 18 experimental members ( including 9 simple beams and 9 restrained beams ) are designed and tested. in the experiment, phenomena are observed and record by taking photos in the whole process from the first crack appears to test members crash completely, experimental data is attained including load values of crack - appear load, critical load and terminal load, stress values of reinforcing steel bar stress, compressed concrete stress and beam flank stress and values of deflection etc. by analyzing the crack ' s appearing and developing form and stress values of concrete and steel bars, the crash modes of test beams are defined ; shearing force - deflection curves are contrasted and analyzed ; the effects on shear strength of the three factors as shear span ratio, concrete strength and restraining moment are also analyzed

    借鑒已試驗的經驗,本文設計和完成了對18根超高強混凝土無腹筋梁(包括9根簡支梁和9根約束梁)在集中荷載下抗剪強的試驗,觀察了試件從裂縫出現到完全破壞失去承載能力全過程的試驗現象並通過拍照進行記錄,獲得了試件的斜裂縫出現荷載、臨界斜裂縫荷載和極荷載等荷載值和縱筋應變、混凝土受壓應變和梁側混凝土應變等應變值以及值等。
  10. 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: ( 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 )採用元程序ansys對超級組合壓型鋼板受彎性能進行了非線性元分析,分析中考慮了大變形與幾何初缺陷,得出其荷載?曲線與極荷載p _ ( max ) ,通過截面特性與曲線斜率、極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。
  11. 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伸縮縫橋梁和整體式橋臺無縫橋梁元模型,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、和下部結構的軸力與梁式橋相近,結構整體剛增大,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實踐和推廣價值的橋型。
  12. Study of practical formula about strength and rigidity of 6 - point - supported - glass using the super sap fea software to solve different calculation models - which have different parameters, such as a / b, a / c and so on, this paper achieves a series maximum deflection coefficients and maximum stress coefficients, then form calculation formulas of maximum deflection and maximum stress under the load of wind

    6點支承玻璃強實用的計算公式研究採用supersap元分析,求出不同的計算模型(玻璃板的尺寸參量a b , a c不同) ,得出一系列最大系數和最大應力系數,形成6點支承玻璃在風載荷作用下的最大計算公式和最大應力的計算公式。
  13. The main content and achievements of the paper are briefly summarized as following : deducing and verifying the formula of deflection about 6 - point - supported - glass based on a series deducing of mathematics and physics, the formula of deflection about 6 - point - supported - glass has been gained, subsequently verified through fea

    本文的主要研究結論和成果如下: 1 6點支承玻璃計算公式推導及元分析驗證通過一系列數理方程的推導,得出6點支承玻璃計算的表達式,並用元分析數值計算結果進行驗證。
  14. The 16 - node degenerated iso - parametric element is proposed for the analysis of raft foundation with mid - thick plate. the stiffness matrix of single pile among the pile group can be founded assuming the total contact between the plate and the foundation. and the results of stress and deformation of plate, the force on pile and the settlement of pile bottom can be solved after the finite element disperse for the plate and the establishment of balance equation of pile - raft interaction

    在引入16節點退化等參元的中厚板筏板分析模型的基礎了,假定筏板與地基間完全接觸,建立了群樁中單樁樁身剛矩陣,繼而對筏板進行元離散得到樁筏共同作用的平衡方程,從而求解筏板內力、、樁頂反力、樁端沉降等一系列結果。
  15. Parameter analysis, 3d nonlinear finite element program and experimental study are carried out to discuss the prestressing effects in terms of ultimate flexural strength, deflection, cracking moment, the redistribution of internal force, the stress increment of prestressed tendons, and the slip at the interface of prestressed steel - concrete composite continuous beams

    本文通過參數分析、 ansys三維元非線性分析、模型試驗等研究方法,著重探討了抗彎承載力、變形、開裂彎矩、內力重分佈、預應力筋應力增量、組合界面滑移等方面的預加力效應。
  16. 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曲線假設為圓弧的方法進行了對比,通過元方法和實驗進行了驗證,結果表明,基於大理論的研究方法更為合理效,並且這種方法還可以為sma驅動器的設計提供初始參數。
  17. So the concrete beams reinforced with frps not only increase the flexural strength but also increase the stiffness and decrease it ' s max deflection, which is very important to increase the ability of resisting reflex of the original beams and the strength of the normal use limit status

    因此,纖維加固混凝土構件不僅提高了其抗彎承載力,而且提高了其剛,減小了最大,這對于增加原梁抵抗變形的能力、提高正常使用極狀態的承載能力具十分重要的意義。
  18. J. melan proposed the deflection theory for analyzing large - spanned suspension bridge early as in 1888. the finite element theory has been so advanced today and has been widely applied in analyzing suspension bridges

    J . melan早在1888年就提出了大跨懸索橋的理論,空間元理論也在七十年代中期趨于成熟並廣泛應用於大跨懸索橋的分析。
  19. In the small deflection theory, by buckling analysis, the classical buckling critical load of integrative braid composite cylindrical shells under axial compression is get. according to the experience and the results of fem, a revised formula for calculating buckling critical load is presented

    在小理論中,通過前屈曲分析得到了完善的編織復合材料圓柱殼在軸壓情況下的經典屈曲臨界載荷,根據經驗及元計算結果,提出了計算屈曲臨界荷載的修正公式。
  20. Because of the limited rigidity in every direction of the flexure joint, the gyro drift must be existed. the simulation analysis for this drift is done. 5

    研究了由於性軸在所方向上均存在而引起的陀螺儀漂移,並進行了模擬分析; 5
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