cyclic element 中文意思是什麼

cyclic element 解釋
循環元
  • cyclic : adj. 1. 周期的;輪轉的,循環的。2. 【化學】環狀的;【植物;植物學】輪列的,輪卷的。3. 組詩的;故事始末的。
  • element : n 1 要素;成分;(構成)部分;分子。2 【化學】元素;【數學】元,素;【機械工程】單元;單體;【無...
  1. The main popular theoretical method adopted to study end - plate connection is finite element technique under monotonic loading at present. this paper applies nonlinear ( material, geometry and contact ) finite element method to analyze the behaviors of connections under cyclic load at fist time. contact elements are set between end plate and column flange, screw cap and neighborhood plane, bolt bar and hole

    對于端板連接的理論分析,目前國內外的研究主要局限在單向加載有限元分析范疇,本文首次採用三維非線性(包括材料、幾何與狀態非線性)有限元對端板連接進行了循環加載分析,端板與柱翼緣間、螺栓頭(帽)與相鄰板件間、螺栓桿與孔壁間都設置了反映邊界狀態的接觸單元。
  2. The main contents are as follows. by the experiments of two joints under low - reversed cyclic loading, the paper analyzes the failure pattern, energy dissipation, ductility and cracking in the joint cores, evaluates the seismic performances and anti - crack behaviors of the joints, and deduces the anti - crack formula of the subassemblage and prestressed frame joint. through the fini te element analysis software ansys, the paper analyzes the specimens nonlinearly, and the theoretical analysis results are well consistent with those of the experiment

    主要內容包括:通過兩榀節點在低周反復荷載作用下的試驗,分析其破壞形態、耗能能力、延性性能和節點核芯區裂縫開展情況,評估節點的抗震性能和抗裂能力,推導出預壓裝配式框架節點的抗裂驗算公式;並運用ansys對試驗中的節點進行了非線性分析,計算結果與試驗結果基本吻合。
  3. This paper applies nonlinear finite element program bsnfem to analyze the behaviors of eccentrically braced steel frames under cyclic load. the study that comprehensive and systematic analyze the factor of links length, thickness of links flange, distance of links rib, thickness of links rib and angle of brace to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel frames have been some studied before. this paper fills the black in the filed factor of high - span ratio, brace stiffness and brace - to - beam connections to be changed affect energy - dissipation capacity of d shape and k shape eccentrically braced steel trames and any factor to be changed affect energy - dissipation capacity of y shape eccentrically braced steel frames

    對耗能梁段的長度、耗能梁段腹板的厚度、耗能梁段翼緣的厚度、耗能梁段加勁肋的間距、耗能梁段加勁肋的厚度、支撐的夾角等因素的改變對d形、 k形偏心支撐鋼框架耗能的影響,前人已有一些研究,本文對這些因素的影響進行了全面系統的分析,完善了理論分析的不足;而結構高跨比、支撐剛度、支撐與梁的連接形式等因素對d形、 k形偏心支撐鋼框架破壞機理的研究以及各種因素對y形偏心支撐鋼框架破壞機理的影響,則很少有人涉及,本文對此也進行了深入系統的分析,填補了這一研究空白。
  4. By initiating the values of vector description for a primitive element, all finite field elements could be generated by continue cyclic shifting, gmw sequences then could be generated by trace function calculation

    通過預置本原元向量表達的初始值,不斷的進行向量循環移位來生成有限域中的元素。生成有限域中所有元素后,即可按跡函數計算出gmw序列。
  5. As the deformation caused by centrifugal force is beyond the small deformation range, the large deformation effect was also taken into account in the equation. two models are constructed, one is of shrouded blade and the other is of bladed disc. the static natural frequencies and dynamic frequencies ( under 3000rpm ) are calculated by the finite element method and cyclic symmetry technique

    針對葉片的結構特點,採用適應較強的三維八節點實體單元模擬葉片,建立葉片運動微分方程;葉片?輪盤系統在高速旋轉時,受到離心力作用,使葉片發生大變形,故在方程中考慮了幾何大變形的問題;為研究葉根輪緣之間的接觸狀態,建立了考慮葉根?輪緣接觸的有限元方程,利用拉格朗日增廣演算法來求解該方程,確定葉根輪緣之間的接觸面狀態。
  6. In this dissertation, the response of reinforced concrete slit shear walls under cyclic loading and reinforced concrete shear walls with large or small opening holes is investigated by using nonlinear finite element analysis method

    本文用微觀有限元模型對帶豎縫耗能剪力墻和開洞剪力墻的抗震性能進行了分析。
  7. Nonlinear finite element analysis of peripheral joints on frame of high - strength concrete under cyclic loading

    反復荷載下高強混凝土框架邊節點有限元非線性分析
  8. At last, take a three - storeyed and two - span reinforced concrete frame as example, its damage value under cyclic load at different time is computed by the program. and the damage evolution curve of different element and whole structure is also obtained. as result the damage evolution law of reinforced concrete structure under cyclic load is found, which provides basis for the study of collapsing mechanism of reinforced structure under seismic force

    最後,以一個三層兩跨的鋼筋混凝土框架為例,應用作者自編的程序計算了循環荷載作用下該框架結構在不同時刻的損傷值,並給出了其不同構件及整體結構的損傷演化曲線,揭示了循環荷載作用下鋼筋混凝土框架結構的損傷演化規律,為地震力作用下鋼筋混凝土結構的倒塌機制問題的研究提供了依據。
  9. Considering the behaviors of unbonded prestressed concrete beams and steel reinforced concrete columns, a kind of nonconforming beam - column element was constructed and the analysis precision was improved. loading and reloading paths were introduced into the constitutive relationship of concrete. it is helpful to the analysis program to trace the full - range mechanical behavior of structures including the descending part and the hysterisis characteristic under cyclic loading

    考慮無粘結預應力混凝土梁、型鋼混凝土柱等結構構件的受力特點,構造非協調樑柱單元,提高了分析精度;混凝土的本構關系中,引入卸載路徑和再加載路徑,使得分析程序可以追蹤包括下降段在內的結構全過程力學行為,以及反復荷載下結構的滯回特性。
  10. The research of this connection under monotonic and cyclic loading is simulated using powerful finite element analysis software. the damage mechanism under the moment loading is studied and the hysteresis curve is obtained. at last, the hysteresis model and the parameter of the model is defined to provide academic and numerical foundation

    採用大型有限元通用軟體模擬該種連接在單調荷載和周期荷載作用下的試驗,研究了該連接在彎矩荷載作用下的破壞機理、做出了該連接的滯回曲線,並確定了滯回模型和模型參數,為研究半剛性連接鋼框架在地震荷載作用下的性能提供理論依據和實驗基礎。
  11. The finite - element model utilized in this study is composed of 3d four - node shell ; both monotonic loading and cyclic loading are used for analyses

    本文通過三維四結點殼單元建立了梁?柱節點的有限元模型,有限元分析包含了單向和反復加載兩種情況。
  12. In chapter 3, the above cumulative damage model, together with finite element stress analysis, was used to evaluate the fatigue lives of multidirectional laminates under cyclic shear loadings

    考慮型材上含裂紋板條以外的其餘部分的彎曲剛度對含裂紋板條的作用,形成改進的準三維模型,並編制出相應的有限元分析程序。
  13. Results show that low - rise steel frame structures can ignore fracture of bottom beam flange in the low seismic intensity area. 2 build up the finite element model. through comparing the shell element result to the test result, it proved feasible in shell element model to get the behavior of beam - column connections under monotonic and cyclic loads

    2通過試驗結果與有限元模型計算結果的比較,驗證可以用殼元有限元模型來研究樑柱節點性能,實體有限元模型能很好模擬接觸問題和預拉力問題,混凝土有限元模型能夠較好的模擬混凝土結構的抗壓強度高和抗拉強度低的特性。
  14. The random responses of local multiaxial stress and strain were accurately calculated by the taylor expansion elastoplastic stochastic finite element method under cyclic loading

    交變載荷下taylor展開彈塑性隨機有限元可精確計算局部多軸應力應變的隨機響應。
  15. This paper, by means of experimental study and finite element analysis, investigates the behavior of the extended end - plate connections under static loading, cyclic loading and moment - rotation curves. the main scopes of this paper includes : 1

    本文通過試驗研究及有限元分析,對節點的受力性能、抗震延性和彎矩?轉角曲線等方面進行了研究,主要內容包括: 1
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