torsion structure 中文意思是什麼

torsion structure 解釋
扭曲構造
  • torsion : n. 扭轉;扭(轉)力;【物理學】扭(力)矩,轉(力)矩;【醫學】捩轉。 torsion pairing 扭曲配對。
  • structure : n. 1. 構造,結構;組織;石理,石紋。2. 建造物。3. 【化學】化學結構。4. 【心理學】(直接經驗中顯現的)結構性,整體性;整體結構。adj. -d ,-less adj.
  1. So we figured that the influence of the electron - electron interactions must be considered in our work. added an electron - electron interaction ( up to the fourth neighbor ) term to the baranowski - buttner - voit ( bbv ) model for polyaniline, we carried out a self - consistent - variation calculation for an biexciton in the pernigranlilne - base polymer, in order to confirm the model hamiltonian. the results showed that two peaks ( near l. oev and 1. 5ev ) appeared in the calculated optical absorption, besides the reproduced electronic structure, bond order wave ( bow ) and ring - torsion angles

    發現引入電子?電子相互作用后,聚苯胺靜態激子的性質受到影響,該聚合物的鍵序波、芳環扭角和電子中文摘要結構發生了變化,而且在理論吸收譜的低能端出現了明顯的二特徵吸收峰( 1 . 0ev和1 . 5ev附近) ,這一結果與實驗數據很好的吻合,從而這一點表明我們所考慮的因素是合理的。
  2. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  3. It shows that the result of resistance under bending and torsion by this method is almost same as that of experiments. correlate equations of bearing capacity of this structure under complex loads are deduced. four expressions of bearing capacity of this structure under complex loads, which are press, bending and torsion, are deduced in the end

    最後利用軸壓、彎曲和扭轉作用的兩兩組合作用下的極限承載力相關方程,通過適當的簡化處理,就得到偏於安全的離心鋼管混凝土構件在軸壓、彎曲和扭轉三種荷載共同作用下的承載力計算公式。
  4. Finally, a correlative equation about bearing capacity of this structural member under bending and torsion is deduced, which may provide design of such structural members a valuable reference. to imitate centrifugal concrete - filled steel tubes used in real structures, three - dimension models are built up by using finite element method. the resistance performance of this structure under complex loads is studied

    利用三維有限元模擬分析方法對離心鋼管混凝土在彎扭組合作用、彎壓組合作用、壓扭組合作用下的構件彈性應力分佈進行了研究,分析了離心鋼管混凝土構件在組合作用下的工作機理和承載力的相關關系。
  5. In this thesis, the dynamic models of a specific precise instrument in spacecraft are established and an active vibration isolation system based on piezoelectric intelligent structures is constructed. theoretical analysis and numerical simulation on this system has been carried out. piezoelectric intelligent structure is applied to civil engineering. the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure suffered from earthquake

    本文還將壓電智能結構主動隔振的理論和控制方法應用到土木工程領域,利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震,模擬結果顯示:結構各層的平移和扭轉均得到顯著減小,表明將智能結構系統用於結構地震反應主動控制中的可能性。
  6. ( 5 ) the piezoelectric intelligent control devise is used for the control of translation - torsion coupling responses of multi - story frame structure which is suffered from earthquake. the results of an example illustrate that this intelligent control devise can effeiciently reduce the structual translation - torsion coupling responses induced by earthquake

    ( 5 )利用一類壓電材料控制器對平移-扭轉耦聯的框架結構進行了主動隔震研究,並對其進行了模擬分析,結果顯示出良好的隔震效果和應用前景。
  7. But the translation - and - torsion coupling vibration of structure is a three - dimensional problem, and the experimentation is limited to the size and quantity, so the computer simulation becomes the main means to study the torsion effect

    由於結構地震反應的平-扭耦聯振動是三維空間動力反應問題,結構試驗研究受到試驗規模和數量的限制,因而主要是依靠結構動力分析手段對其進行計算機模擬分析研究。
  8. But the translation - and - torsion coupling vibration of structure is a three - dimensional problem, and the experimentation is limited to the size and quantity, so the computer simulation becomes the main method to study the torsion effect

    由於結構地震反應的平-扭耦聯振動是三維空間動力反應問題,結構試驗研究受到試驗規模和數量的限制,因而主要是依靠結構動力分析手段對其進行計算機模擬分析研究。
  9. The results showed that the excitons were completely recombined after 900 fsec and the geometry structure of the polymer such as the bow and the ring - torsion angles returned to the ground states, which were the dimerization states

    結果表明,大約在900fsec之後激子復合過程結束,電子結構返回到二聚化狀態,體系的鍵序波、芳環扭角等回到基態的二聚化狀態。
  10. Abstract : in this paper, the ship structure is analyzed by using 3d overall structure finite element method and the longitudinal strength is calculated when the hydro - static bending moment, wave bending moment, horizontal bending moment and torsion moment are considered. we compare the calculating result with the one based on the theory of thin - walled box girders and discuss the future of application of the two methods

    文摘:本文對3800箱集裝箱船進行了整船有限元分析,計算了在設計靜水彎矩、波浪彎矩、水平彎矩和扭矩作用下的船體總縱強度,並與基於薄壁梁扭轉理論的總縱強度計算結果進行了比較,對兩種方法的應用前景作出評論。
  11. According to the fluctuating property of wind, on the stochastic vibration finite element theory, some calculation formulas of the response, including the along - wind response and the across - wind response, are obtained, the ideology of the torsion vibration in the double - tower structure and the ideology of the double - tower structure ' s dynamical wind load are also put forward at the same time. by using the stochastic vibration module of the general finite element program, the paper analyses the performance of the wind resistance more deeply and fully, discussing the influence on the double - tower structure from the diversification of the different component. the variance law of dynamic displacement and wind - induced vibration coefficient is derived through analyzing structure stochastic vibration, so is the effect of several parameters on dynamic displacement, acceleration and wind - induced vibration coefficient

    從結構風振的基本理論出發,通過對脈動風功率譜的分析,推導了結構風振響應(順、橫風向)的計算公式,同時提出了雙塔結構的扭轉振動和動力風荷載計算的思想,在結合通用有限元程序的隨機振動模塊的情況下,對雙塔結構的抗風性能作了深入、全面研究,探討了雙塔結構構件截面的變化對其抗風性能的影響,同時探討了順風向風速譜的選取、風速、參與計算的振型數、風與結構耦合作用是否考慮等因素對分析結果的影響,比較了規范風振系數的計算與隨機演算法結構的異同,並討論了原因,得出一些有意義的結論。
  12. Research has been done on the calculating methods of lateral stiffness and bearing capacity of the frame. according to experimental studies, finite element analysis and theoretical analysis, it develops to calculate lateral stiffness of frame with special - shaped columns of greater height - width ratio by using frame with rigid zones, and considering shear deformation of beam and columns. without considering the torsion of the whole structure, assuming the special - shaped column in the rc frame is flexural failure under uniaxial eccentricity force, putting forward the calculation method of flexural strength of special - shaped columns and the shear strength in a story for r. c

    對異形柱框架分別按普通框架和壁式框架進行分析,並與空間有限元分析結果和試驗結果進行比較,提出了異形柱框架結構側向剛度的計算方法;在整體結構不產生扭轉且異形柱為彎曲破壞的假定下,提出了異形柱的受彎承載力及受剪承載力計算公式;提出了根據異形柱框架結構的破壞機構確定其樓層受剪承載力的方法。
  13. So we can easily obtain nilpotent class of s * ( a *, c * ) - groups and the structure of their derived subgroup in the case of torsion and locally nilpotent group

    從而進一步得到了周期的局部冪零群的冪零類及導群的結構。
  14. For different f, the effect of curvature and torsion on the flow structure, temperature distribution, the friction factor and nusselt number

    不同的f下撓率和曲率對流動結構、摩擦系數和nusslt數的影響不同。
  15. In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses

    本論文針對目前國內車身結構分析的研究只限於對車身或車架結構在靜態扭轉、彎曲載荷以及幾種極限工況載荷作用等幾種情況的研究,對含有懸架、輪胎以及路面模型的整車瞬態響應分析的研究較少的實際情況,對有限元方法在汽車結構分析中的應用作了些研究工作,尤其是在車身連接件處理、車身動態響應、車身疲勞強度分析、車身結構改進方案等方面進行了較深入的探索。
  16. From above analysis, the thesis gets conclusions as following : ( 1 ) the frequencies of multi - tower building are so dense and the coupling in each mode is so evident that the cqc method instead of srss should be used to calculate the seismic action effect ; ( 2 ) torsion effects is distinct between the modes of asymmetry multi - tower structure and it is necessary to take translation - torsion coupling into account ; ( 3 ) the effect of the enlarged base rigid on the seismic properties is very big, the rigid ratio of the enlarged base to towers in asymmetry multi - tower structure should be designed in a proper range ; ( 4 ) the distribution of plane rigid is asymmetry because of the asymmetry layout of towers. the torsion effects of structure not only result in large torsion internal force in vertical element resisting lateral displacement, but also make large influences on the stress of transfer plate and near floors, thus it is necessary to strengthen those floors

    通過上述分析,得出以下主要結論:多塔樓結構存在頻率密集現象,各振型間耦聯效應明顯,地震作用計算應採用cqc組合原則而不能簡單地採用srss組合原則;非對稱多塔結構的振型中,扭轉作用明顯,平扭耦聯效應值得考慮;裙樓剛度對整體結構的抗震性能影響很大,非對稱多塔結構宜控制裙樓與塔樓剛度比在適宜的范圍;非對稱多塔易導致平面剛度分佈不均勻,結構扭轉效應不僅在豎向抗側構件中引起較大的扭轉內力,對轉換層樓板應力有較大的影響,且延續至相鄰樓層,對相應樓層均應採取相應的加強措施。
  17. As less friction it will acurred, so the torsion it need will correspondingly reduced. and the transfer structure will not easy wear out

    6摩擦力小,所需的傳動扭力相對減少,傳動機構較不易損壞。
  18. It is importance of the experiment about measuring principal stress combined bending with torsion in mechanics of materials. this paper points out shortcomings in the traditional experimental devices combined bending with torsion and establishes theory and principles for designing superminiaturizational experimental device combined bending with torsion through analyses of stress and strain state at the measured point a ( b ). it also designs the superminiaturizational experimental device, which has smaller space and more precision and has more reasonable structure measurements in this paper

    彎扭組合主應力測定實驗在材料力學實驗中佔有重要的地位,作者指出了老式彎扭組合實驗設備的缺點,通過對所測點a ( b )處應力應變狀態分析,確立了設計超小型化彎扭組合實驗裝置的理論基礎、設計原則,設計出了體積小,加載簡單,結構尺寸合理,精度高的超小型化彎扭組合實驗裝置。
  19. The ratio of story shear rigidity as well as the equivalent lateral rigidity ratio of story above the transfer story to the story under the transfer story should be designed properly to avoid the transfer story becoming weak story, thus the shear walls and the columns in the large base will not yield before the elements above the transfer story ; ( 2 ) the translation - torsion coupled effects and the vibration in the plane should be considered in analysis of structure with large base and muti - towers

    轉換層的設計除應控制層剪切剛度比外,還應控制轉換層上部與下部結構的等效側向剛度比以避免薄弱層出現在框支層,保證地震作用下落地剪力墻和框支柱不先於轉換層上部結構進入屈服狀態;大底盤多塔樓結構的分析必須考慮平扭耦聯振動和樓板平面內振動的影響。
  20. In this paper, three - tower building with name of oriental tunes square in xiamen is analyzed by the international current program sap2000, considering seismic action in two directions. by structural modeling and calculation, the characteristic of vibration of the multi - tower structure is analyzed, the influences of the rigid ratio of the enlarged base to top tower and translation - torsion coupled effects among several towers are investigated, the inter - story displacement, displacement of the top tower and deformation of tower ' s base floor in x and y major orientation under earthquake action are contrasted with those under wind load. at last, the distributing characteristics of stress of transfer plate and of the normal, shearing stress of mostly vertical elements under earthquake action are studied

    本文以具有3個塔樓的廈門東方時代廣場為分析對象,採用國際通用有限元分析軟體sap2000進行結構建模和分析,考慮雙向地震動輸入,研究結構的振動特性,分析底盤與塔樓剛度比對結構的影響以及多塔之間的扭轉效應和平扭耦聯作用,對比風荷載和地震作用下塔樓在兩個結構主軸方向的層間位移、頂點位移以及塔樓底層的變形,分析地震作用下轉換層樓板的應力分佈特點及主要豎向構件的正應力和剪應力分佈特點。
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