非剛性節點 的英文怎麼說
中文拼音 [fēigāngxìngjiédiǎn]
非剛性節點
英文
non-rigid connection- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 節 : 節構詞成分。
- 點 : Ⅰ名詞1 (液體的小滴) drop (of liquid) 2 (細小的痕跡) spot; dot; speck 3 (漢字的筆畫「、」)...
- 節點 : [電學] panel point; hybrid; packing; node; nodal points; joint of framework; pitch point; point pitch
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The static analysis of the long span plate - truss composite cable - stayed bridges. first, the cr formation on the geometric non - linear structural analysis is introduced. next, the structural discretization of cable - stayed bridge, the stiffness matrix the formation of nodal force and the simulated construction system are introduced
首先介紹了本文採用的桿系結構幾何非線性問題的分析方法? cr列式法,其次介紹了板桁結合斜拉橋的結構離散及桿單元、梁單元的剛度矩陣以及節點力的形成方法,然後介紹了斜拉橋施工模擬體系的形成。Thecalculating results show that the composite action between concrete floor and steel beamsgreatly influence the bending bearing capacity and initial rotational stiffness of joints, it shouldbe considered in practical engineer. reinforcement ratio of lengthways reinforcing bar andthe stiffener of web have great influencer on the behavior of connections, while the thicknessof end - plate and degree of shear connection have a litter influence on its behavior
分析計算結果表明:樓板與鋼梁的組合作用對節點的抗彎承載力及初始轉動剛度的影響非常大,實際工程中節點設計應當考慮這種組合作用;樓板內縱向鋼筋配筋率與柱腹板加勁肋對節點性能影響顯著,而連接端板厚度及剪力連接程度的影響則不是太顯著。On the contrary, in - parallel actuated micromanipulators have the advantages of more rigidity and accuracy, higher load capacity, and simple inverse kinematics, therefore they can be used to replace conventional serial ones to meet the rising need for higher precision, they are widely used in automation, communication, mechanics engineering, medicine field and so on
而並聯機構具有運動鏈封閉、剛性好、無關節誤差累積、運動精度高,且運動學逆解求解簡單等優點,因此非常適合於用作微操作執行器機構,廣泛應用於自動化技術、機械製造工程、醫療技術等領域,具有廣闊的發展前景。On the contrary, in - parallel actuated micromanipulators have the advantages of more rigidity and accuracy, higher load capacity, and simple inverse kinematics, therefore they can be used to replace conventional serial ones to meet the rising need for higher precision in this dissertation, position kinematics of a micromanipulator with serial - parallel structure is studied
相反,並聯機構具有運動鏈封閉、剛性好、無關節誤差累積、運動精度高,且運動學逆解求解非常簡單等優點,使得這類機構非常適合於用作微操作機器人機構,因而,研究基於並聯機構的微操作機器人系統具有現實的工程意義。4. because there are sub - elements in a member with the introduction of inner joints, when tile spatial stifmess matrix of main joints of a member is made, there are some cases of solving the double nonlinear equations, negative stifmesses, and singular stiffness matrices in process of iterating
4 、由於引入了內結點,構件存在子單元,在形成主節點的構件空間單元剛度矩陣時,存在雙重非線性方程求解,迭代過程中負剛度和剛度矩陣奇異問題。On the basis of large - displacement virtual principle, the finite element equations of stable type suspension bridge containing towers are driven. the stiffness matrixes of the cable element, the bar element and the beam element using node coordinates are given, too. such method has not been found in reference books
論文從有限位移彈性理論的虛功方程出發,推導出穩定橋全橋結構的非線性有限元運動方程,還推導了用節點坐標表示的索單元、桿單元和梁單元的單元剛度矩陣,這一點在參考文獻較少見。Through comparing and analyzing of bearing capacity, development of crack and strain of reinforced, the results show that the load - deflection plots f or specimens from the finite element analysis agree well with the experimental data, and choosing the rightful stress - strain relationship, utilizing ansys program, the test process can be well simulated. at the same time, making used of the program, the traditional shear wall is analyzed. it shows that comparing with the traditional shear wall, the hollow shear wall ' s cracking load drop 16 %, yield load and failure load drop 13 %, stiffness drop 13 % ~ 22 %
其次在試驗的基礎上,將試驗手段、有限元數值模擬方法和理論分析結合起來,利用有限元程序ansys對其中的兩片墻板進行非線性有限元分析,並對前後的承載性能,裂縫發展、鋼筋應變進行了比較和分析,結果表明有限元節點模型分析的荷載-位移曲線和試驗測得數據符合良好,選用合理的材料本構模型,利用ansys可以較好的模擬試驗過程;同時利用有限元模型對比分析了普通剪力墻和空心剪力墻,空心剪力墻與普通剪力墻對比,其開裂荷載下降16 ,屈服荷載、極限荷載下降13 ,剛度下降13 22 ,開裂至屈服、屈服至極限荷載階段的剛度衰減規律與普通剪力墻基本一致,空心剪力墻的後期剛度比較穩定。By simulating body node with fea software ansys and comparing its results with the experiment ones, natural capacity of semi - rigid connection node itself was discussed, and the experimental results were analyzed additionally, and the bearing conditions of sections which could n ' t be tested in experiment were obtained, as well as two kinds of bearing conditions under different conditions that the connections with and without stiffener were compared in detail
在討論半剛性連接節點本身的性能時,通過有限元軟體ansys對節點進行三維非線性有限元精細模擬,將計算結果與試驗所得數據對比,對試驗結果進行補充分析,了解沒有測到試驗數據的節點組件在加載過程中的受力情況,並對帶雙腹板角鋼頂、底角鋼連接在有無加勁肋兩種情況下的受力狀態進行詳細對比。Steel frame with welding joint easily occur brittle collapse because of having a low ductility at joints then , a semi - rigid connected steel frame has large the energy absorption capacity which can resist dynamic loads and the using steel qualities of bracing system and joints are small so adopting a semi - rigid jointed steel frame is economical and stable but for semi - rigid connections are complex and variable , in conventional analysis and design of steel structures , it is usually assumed that the connections between columns and beams are either rigid or pinned the analysis of steel frames adopting the assumption can simplify the procedure of analysis and design , but cannot precisely reflect structural practical circumstance and the errors of calculating results are large , even , get incorrect conclusions semi - rigid connection was referred to in chinese code for design of steel structures ( 2001 , 10 ) , however , it isn ’ t specified how to apply semi - rigid joints in design in fact it cannot be carry out the purpose of the paper give a calculating method that accords practical engineering and easily put into effect worthwhile it is going to promote the development of semi - rigid jointed steel frame in design and heighten structural stability in the paper , at first some commonly employed methods for the modeling of connection behavior are introduced richard abbott function modeling of connection is adopted for extended end plate bolted connection by the 34 test data comparing to regression analysis indicate richard - abbott function modeling of connection represents an excellent fit to test data then after a semi - rigid joint behavior can be modeled as a finite stiffness rotation spring , base on rotation and displacement equation derive the element stiffness matrixes with semi - rigid connections where the effects ofj ointed flexibility geometric non - linearity and shear forces in the connection deformations have been considered in and fixed - end forces are modified finally, a program for calculating semi - rigid with incremental - iterative method has been
本文的目的就是為半剛性連接鋼框架的設計提供一種既符合工程實際又簡便易行的計算方法,供規范使用過程的補充、延伸或參考;同時,也將促進半剛性連接鋼框架設計技術的發展,為提高結構安全性能、節省工程成本發揮應有的作用。本文首先介紹了常見的幾種應用較為廣泛的樑柱連接彎矩轉角關系模型,在分析比較的基礎上,選用richard ? abbott函數模型作為外伸端板連接彎矩轉角關系模型,通過對34個外伸端板連接的實驗數據與回歸分析得到的參數比較可知,經回歸分析得到的此模型參數與實驗數據符合較好。然後用彈簧表徵連接點的轉動剛度,根據梁的轉角位移方程推導出半剛性連接的剛度矩陣,在單元剛度矩陣中考慮了節點柔性、幾何非線性和剪切變形的影響,並對固端力進行了修正,最後用增量迭代法編制有限元程序進行計算和分析。Theoretical research based on the quasi - static test such as theoretical analysis in nonlinear finite element method, programs to shape function of isoparametric element of hexahedron with eight nodes and to stiff matrix of elements, application of resilience model in degeneration equation of elastic module of concrete goes along
在試驗基礎上進行了理論研究,用非線性有限元方法分析框架,編寫了六面體八節點等參元形函數、單元剛度矩陣等部分程序,將恢復力模型應用到混凝土彈性模量退化方程中。The results of joint performance tests show that the modular joint possesses many good abilities, such as high stiffness, big load and very high control precision approaching to 0. 01
針對所設計的關節進行了必要的關節性能實驗,結果表明該模塊化關節具有高剛度、大負載特點,其關節的位置輸出能精確跟蹤期望的軌跡,位置精度非常高,達到了0 . 01 。Physical nonlinear analysis of semi - rigid composite joints
半剛性組合節點物理非線性分析According to former research products, when choosing rigid node, analysis in structure analysis, especially in non - linear analysis of slts will be reasonable
前人研究成果表明,進行網架結構分析特別是非線性分析時節點選擇剛接會使計算分析結果更為合理。In the finite element method analysis, the constitutional relationships of steel and three - dimension compressed concrete were conducted by using increment plastic theory. in the paper a serious of joint models were analyzed by using the program ansys and the mathematical formulas for determination of load - carrying capacity of shearing and bending in the joint region were also given. at last the influence of many parameters to the load - carrying capacity in the joint region was analyzed and some suggestions were given for the design in the practical projects
在有限元分析中,用增量塑性理論推導出鋼材以及三維受壓混凝土的本構關系,重點是三維受壓混凝土的本構關系,建立了模型的單元剛度矩陣,給出了程序中非線性方程的求解方法,並用ansys軟體計算了一系列節點模型,得出了節點域的抗剪、抗彎承載力及各參數對節點域承載力的影響情況,並用試驗結果和計算公式驗證了有限元計算結果。Recently, with the development of economy and our country ’ s enhanced in the output and quality of the steel, gabled frames have been widely used in industrial and civil structures
端板連接節點是門式剛架輕鋼結構中普遍採用的連接形式,由於其構造上的特點,端板連接節點具有非線性性能。分享友人