buckling theory 中文意思是什麼

buckling theory 解釋
屈曲理論
  • buckling : 彈性屈服
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. The three - dimensional analytic model on laminated piezoelectric shells is also studied. the main achievements are summarized as follows : firstly, buckling models for beams and cylindrical shells with arbitrary penetrative delaminations are established based on the first and higher - order shear deformation theory

    本文研究工作的重點是建立含內埋脫層的復合材料層合結構的屈曲分析模型，其次是建立壓電層合殼的三維分析模型。
  2. At present carbon fiber - reinforced composite is developed to use in some aero - engine components in our country. using the numerical method and fatigue damage theory, the buckling and fatigue on the composite materials and composites case are studied for aero - engine design

    本文從實際工程背景出發，利用板殼理論和現代數值分析技術的研究成果，結合疲勞累積損傷理論，對航空發動機用的復合材料及其機匣結構的屈曲與疲勞壽命問題開展了較為系統深入的研究。
  3. The simplified geometric nonlinear theory is used in post - buckling analysis. galerkin method is employed to derive the eigenvalue equation of the shell containing initia l geometrical imperfections. the buckling critical load is get. the program for calculating the buckling critical load is developed and the numerical example is given.

    採用簡化的幾何非線性理論，進行了后屈曲分析，應用galerkin法推導得到了含有初始幾何缺陷的編織復合材料圓柱殼的屈曲特徵方程，得到了臨界荷載的計算公式，編制了相應的計算機程序，並給出了具體算例，得到了一些有益的結論。
  4. Based on the arch - cantilever method, the stability of arch ring and cantilever beam against elastic buckling in arch dams are analyzed with the theory of elastic stability, and the conclusion is drawn that the stability of arch dam against elastic buckling is governed by the top arch ring

    按照拱梁分載法的思想，用彈性穩定理論分別對拱壩的拱圈和懸臂梁的抗屈曲穩定性進行了分析，得出拱壩的抗屈曲穩定性由壩頂拱圈控制的結論。
  5. We research on the thermal buckling characteristics of double layer membrane which is composed of different materials with different thermal expansion coefficiens under uniform temperature elevation. the energy method is proposed which is used to solve the problem and the symbolic relation between central buckling height and substrate height under small buckling height is also given. it is the primary theory of membrane resonant sensor, which makes the research and development of novel thermal sensor possible

    本文對微機械中熱脹系數不同的材料構成的雙層復合薄板在均勻溫升下的撓曲特性進行了研究，提出了在均勻溫升下雙層薄板熱撓曲求解的能量法，並給出了小撓度下中心撓度與板厚的解析關系，為薄膜諧振式傳感器溫度特性的研究和新型溫度傳感器的設計與開發打下了基礎
  6. In accordance with the occurrence behavior of roof strata and the fracture characteristics of key stratum in shallow seam longwall mining, studied post - buckling behavior of roof key stratum in the process of mining by using initial post - buckling theory, which derived a critical load and a breaking span of the main roof during the first weighting, determined the final subsidence and the maximum rotation angle for broken key stratum, and presented an application with the example of daliuta 1203 face

    摘要根據淺埋煤層頂板巖層的賦存特點和長壁開采時關鍵層的變形破斷特徵，應用初始后屈曲理論探討了開采過程中頂板關鍵層的后屈曲性態，得出了老頂初次來壓時頂板的臨界載荷和破斷步距，確定了頂板破斷后的極限下沉量和回轉角，並以神東礦區大柳塔1203工作面為例給出了工程實例。
  7. Though scholars at home and abroad had made corresponding research during the last century and at the same time they had made great achievements, most of them confine themselves to the research on perfect pile buckling, not considering the influence of many special situations such as the initial bend, the defects in construction and the layered soil, etc. . the reliability design has not been advanced according to the design method of probability theory until recent years

    基樁的屈曲分析是一個相當復雜而又具有實際工程意義的課題，其影響因素繁多。盡管國內外學者上世紀就已有相應的探討，取得了許多研究成果，但大多局限於對基樁本身的屈曲研究，而未考慮基樁本身的初始彎曲、施工缺陷和土體分層等諸多特殊情況的影響。
  8. Based on the classical nonlinear plate theory, axisymmetric post - buckling behavior of a functionally graded circular plate under radial compression was investigated

    摘要基於經典非線性板理論，研究了功能梯度圓板在均勻的徑向壓力作用下的軸對稱過屈曲問題。
  9. In the past, two following respects that the study on magnetoelastic stability theory was main and centralized : first, setting - up and revision of the soft ferromagnetism plates buckling theory model ; second, represented by the tokamak thermonuclear current - carrying rector coil, the stability of current - carrying coils and poles under magnetic field has been studied

    以前，對磁彈性穩定性理論的研究主要集中以下兩方面：一、軟鐵磁性薄板屈曲理論模型的建立及修正；二、以tokamak核聚變反應堆環向磁場載流線圈為代表的對載流線圈及載流桿件的穩定性研究。
  10. At first, the mechanical model of joint is discussed, and the constitutive relation of the rough joint, especially the bolt - supported joint, is given. then bedding slide of bedding stratified rock slope is studied adopting limit equilibrium method, and a formula of stability is brought forward. at last, the bedding stratified rock slope ' s buckling deformation and failure mechanism and its evaluating method of stability is investigated, a corresponding mechanics model is established, then detail research to this failure mode is made in theory combining the energy law and elastic stability theory of plate and beam, and an analytical solution of the yielding curve is educed from this model

    文中首先對結構面的力學模型進行了一定的探討，提出了粗糙結構面尤其是加錨結構面的本構關系；然後採用極限平衡法，研究了順向層狀巖質邊坡的順層滑動失穩，提出了其穩定性計算公式；最後，結合能量定律和彈性板梁穩定理論，探討了工程中常見的順向層狀巖體邊坡潰屈失穩時的破壞機理、變形規律和穩定性定量評價方法，建立了相應的力學模型，求出了其相應的解析解，並提出了臨界坡長與最大彎曲位置的確定方法。
  11. 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

    在小撓度理論中，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，根據經驗及有限元計算結果，提出了計算屈曲臨界荷載的修正公式。
  12. First, higher - order shear deformation theory and reddy ' s simplified higher - order shear deformation theory of the flat shell is adopted to obtain the buckling governing equations. then the geometric nonlinear theory and the geometric and material dual - nonlinear theory with shear effects are introduced ( the buckling governing equations are get ). the simplified geometric nonlinear theory and the small defection theory are discussed as emphases

    首先採用扁殼高階理論及reddy型簡化高階剪切變形扁殼理論，得到了屈曲基本方程，然後介紹了考慮剪切的幾何非線性理論及材料幾何雙重非線性理論（得到了屈曲基本方程） ，重點討論了簡化的幾何非線性理論及小撓度理論。
  13. The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory

    應用初始后屈曲理論可揭示淺埋煤層長壁開采頂板巖層的分叉點平衡構形及后屈曲平衡路徑的穩定性，是確定非完善結構位移場的一種有效方法。
  14. This paper is the research on the local interactive buckling behavior of cold - formed rectangular tube under uniform compression. the paper includes the following main contents : ( 1 ) an elastic interactive buckling model is presented on the basis of the theory of elastic plates. under the equilibrium condition and deformation compatibility condition, analytical expressions are derived to predict the interactive bucking load pcr

    本文主要研究冷彎薄壁矩形鋼管均勻受壓下板組的相關關系，包括以下主要內容： （ 1 ）建立了彈性相關屈曲解析法分析模型，考慮平衡條件及變形協調條件，建立板組的屈曲微分方程，得出了板組相關屈曲的臨界荷載p _ （ cr ）的計算行列式。
  15. The closed - form solutions are obtained by using the state - space scheme. secondly, based on mindlin ' s first - order shearing theory, buckling models for plates and shells with built - in rectangle delaminations are established by using strip transfer function method and mixed variables strip transfer function method, respectively

    基於mindlin一階剪切理論，分別採用條形傳遞函數方法和混合變量條形傳遞函數方法，建立了含內埋矩形脫層板和殼的屈曲分析模型。
  16. But the theory of buckling of polar orthotropic plates is a challenge problem, and no perfect result has been worked out

    然而，極正交各向異性圓板的屈曲理論一直是一個比較具有挑戰性的問題，目前尚無完美的解答。
  17. The cold - formed square hollow section columns are widely used in various structures such as building structure, trusses, space frames and offshore plates etc. this paper is mainly doing the research on load carrying capacity of the cold - formed square hollow section columns under axial load, the paper includes the following main contents : ( 1 ) an elastic buckling stress for cold - formed square hollow section is presented by finite element analysis, and is compared with the result given by classical elastic buckling theory ; ( 2 ) the elastic - plastic non - linear behavior of the cold - formed square hollow section columns analyzed by ansys is presented ; ( 3 ) by using material model, and geometry nonlinear analysis, the cold - formed effect to stub columns of cold - formed square hollow section is studied ; ( 4 ) by using an material model, the geometry nonlinear analysis, the influence of initial geometrical imperfection to stub columns of cold - formed square hollow section is also analyzed ; ( 5 ) the load carrying capacity of the cold - formed square hollow section columns, which are including the cold - formed effect and influence of initial geometrical imperfection is analyzed by non - linear finite element, and the theoretical analysis results are compared with the results of experimental study and the results calculated by specification gb50018 - 2002

    冷彎方管作為軸心壓桿廣泛用於房屋結構、桁架、網架、塔架以及海洋平臺等結構中，本文主要研究軸心受壓冷彎方管的承載力性能，內容主要包括以下一些： （ 1 ）對冷彎方管的彈性臨界應力進行有限元分析，並與經典理論結果進行對比，以驗證有限元程序的適應性； （ 2 ）闡述冷彎方管採用有限元彈塑性非線性分析理論及應用ansys軟體的非線性分析方法； （ 3 ）採用彈塑性模型，考慮幾何非線性及材料非線性，對不同寬厚比的軸心受壓冷彎方管柱的冷彎效應進行有限元非線性分析研究； （ 4 ）考慮冷彎效應對屈服應力的影響，對不同寬厚比的軸心受壓冷彎方管短柱在不同初始變形下的承載力性能進行有限元非線性研究； （ 5 ）考慮冷彎效應、幾何初始變形，對不同長細比和不同寬厚比的軸心受壓冷彎方管長柱的承載力性能進行有限元非線性研究，並與試驗結果以及我國現行規范gb50018 ? 2002計算結果進行對比分析。
  18. Based on the steel - concrete coordinating relations, element stiffness matrix of geometrically nonlinear analysis, formulas for self - stresses by temperatures and displacements, stresses of corresponding superfluous structures are further studied. furthermore, a new theory and method for structural geometrical nonlinearity and buckling analysis is put forward

    根據鋼混協作關系進一步推導出鋼混組合構件幾何非線性分析單元剛度矩陣、溫度自應力及鋼混超靜定結構溫度位移和應力的計算公式，建立了一種新的基於鋼混協作關系的異種材料組合構件的幾何非線性和結構穩定性分析方法。
  19. Theory analysis in this paper pointed out that the flexural - torsional buckling is the usual form of t - section steel. so the slenderness ratio of flexural - torsional buckling should be used when people give out the b / t ratio by the " equal stability " conception. initial stress, defects and tangent modulus are include in the deduce of the paper to get a rational b / t ratio

    通過理論分析指出軸心受力剖分t型鋼整體失穩以彎扭屈曲為主，所以在運用「等穩定」方法確定腹板寬厚比限值時應與桿件的扭轉長細比「掛鉤」 ，並以此為出發點考慮殘余應力、初始缺陷，應用切線模量推導出了較為合理的腹板寬厚比限值公式。
  20. Many factors are considered in the study of the nonlinear buckling bearing capacities of the representative concrete filled circular and square steel tube columns, these factors include the sectional form, the slenderness ratio, the steel ratio, and the eccentricity ratio. the comparison between the test and calculating results shows that they have a good agreement. in theoretical investigation of the time - dependent behaviour of cft specimens, based on the three - dimensional viscoelastic theory, this paper proposed the three - dimensional finite element model of creep of core concrete, in which a linear three parameters visoelastic model was adopted

    在對鋼管混凝土構件極限承載力的分析計算中，本文提出了核心混凝土的三維非線性應力?應變全量和增量本構關系模型，採用完全的拉格朗日表述來考慮與變形歷史有關的大變形問題，並對長細比、含鋼率和偏心率在較大范圍內變化的方、圓鋼管混凝土構件的非線性屈曲承載力分別進行了試驗和理論對比分析研究，結果表明二者符合較好。
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