plane elasticity 中文意思是什麼

plane elasticity 解釋
平面彈性
  • plane : n 懸鈴木屬樹木。n 1 平面,水平面,面。2 (知識等的)發達程度,水平,階段。3 【航空】機翼面;〈常 ...
  • elasticity : n. 1. 彈力,彈性;伸縮力,伸縮性,靈活性。2. 開朗的性情。
  1. Lastly the above stiffness matrix, the nodal variables of which are the dual of stress functions, is replaced by a new one with simple displacements vector regarded as unknown. such finite element satisfies homogeneous equilibrium equations and can pass the patch test as long as the original plane elasticity element can pass the corresponding patch test

    所得到的板彎曲單元在單元內部滿足齊次平衡方程,並且只要原始平面彈性單元能通過常應變分片試驗則轉換得到的板單元一定能通過常曲率分片試驗。
  2. The plane problems and the torsion problem are standard fare in solution oriented books on elasticity.

    平面問題和扭轉問題是彈性問題解法書中的標準內容。
  3. In the hogging condition, double bottom and the side shell remain the ultimate bucking strength, deck and upperwing tank remain the yield stress, and the other parts keep elasticity. then the key to calculate the ultimate strength of ship hull girders is to ascertain the ultimate bucking strength of the stiffened panels. in this regard, the developed formulation is designed to be more sophisticated than previous simplified theoretical method for calculating the ultimate strength of stiffened panels under combined in - plane bending and lateral pressure. fabricatio n - related initial imperfections ( initial deflections and residual stresses ) are included in the panel ultimate strength calculation as parameters of influence. all possible collapse modes involed in collapse of stiffened panels, including overall buckling collapse, column or beam - column type collapse, tripping of stiffeners and local bukling of stiffened web are considered

    確定了船體梁整體破壞時的剖面應力分佈之後,關鍵在於確定板架的極限屈曲強度。本文充分考慮了在縱向彎曲、橫向壓力作用下加筋板可能發生的幾種破壞模式,即板架的整體屈曲破壞、樑柱形式的破壞、筋的側傾、腹板的屈曲並同時考慮了初始焊接殘余應力、初撓度的影響,使其更精確的計算加筋板的屈曲強度。對于加筋板中加強筋腹板的局部屈曲,採用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應力。
  4. Using the complex potential method in the plane theory of elasticity of an anisotropic body, a series solution to the stress field of a finite plate containing multiple cracks subjected to arbitrary loads is obtained by means of the faber series expansion, and the stress intensity factors at the crack tips are calculated based on the theories of fracture mechanics. equivalence yield stress is introduced in order to consider the effects of the plastic zones, with which the strip yield criteria is developed in the article so that the effects of structural size and the crack interactions on the stress distribution can be considered accurately. the effects of plate size, crack size and crack distributions on the stress intensity factors as well as the residual strength of the plate are studied detailedly

    採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,得到了含多裂紋有限大板在任意載荷作用下應力場的級數解,並應用斷裂力學方法確定裂紋尖端的應力強度因子;引入當量屈服應力考慮裂尖塑性區的影響,提出基於帶屈服準則的剩餘強度分析模型,能夠充分考慮結構尺寸和裂紋之間相互作用對應力場的影響;通過數值計算詳細討論了結構尺寸和裂紋之間位置關系對應力強度因子和結構剩餘強度的影響規律,得到了一系列對工程應用具有實用價值的結論。
  5. Using the complex potential method in the plane theory of elasticity of an anisotropic body, the series solution of finite anisotropic thin plate containing an elliptical inclusion is proposed with the help of faber series. a hybrid element with an elliptical inclusion for anisotropic materials is obtained by using the hybrid variable principle, and the element efficiency is verified by numerical examples. the state of the damage is modeled by an elliptical soft inclusion, and using the point stress criterion based on characteristic curve and yamada - sun etc. criteria, the prediction of the strength of a composite laminate with damage is set up

    首先基於經典層板理論,將復合材料層板的彈性問題化歸為均勻各向異性板來求解;採用各向異性體平面彈性理論中的復勢方法,以faber級數為工具,給出了有限大含橢圓核各向異性板彈性問題的級數解形式;利用雜交變分原理,成功導出含橢圓核各向異性板雜交應力有限元,並用算例驗證了該單元的可行性和有效性;採用含剛度折減橢圓形彈性核的沖擊損傷模型,引入基於特徵曲線和yamada - sun破壞準則的點應力判據,建立了含損傷復合材料層板剩餘強度的分析方法;通過數值計算詳細討論了各種幾何參數對損傷層板應力分佈、剩餘強度的影響,得到了一系列對工程應用具有實用價值的結論。
  6. According to the special stratum condition 、 soil parameter 、 pile frame system in the protecting landslide of hongtian jianfeng in yongan city in fujian province, compile a fem program of plane strain and analyze the interaction by nonlinear fem on intensity discount. in the program, duncan - chang model is applied to earth, elasticity model is applied to pile and rock ; goodman element is set between pile and rock - earth and applied to simulate sliding plane and flexible floor ; sequential pole elements with original stress are applied to anchor cable

    在程序中土體採用了duncan - chang雙曲線本構模型,樁和錨固層以下的巖體採用了線彈性本構模型,並且在樁和巖土體間設置了無厚度的古德曼( goodman )單元,對于軟弱夾層和已知的滑裂面也採用古德曼單元模擬,錨索採用的是具有初始應力的連續桿單元模擬。
  7. In order to analysis the contact problem between elasticity roller and rigid plane, another iterative process is raised. supposing the right contact point has been known, the left contact point has to be found and the distribution of stick zone and slip one have to be determined in each iterative process. the outer load is evaluated according to the solved force distribution in contact zone

    針對彈性滾柱與剛性平面的穩態滾動接觸問題,採用已知接觸區右端點來搜索接觸區左端點以及區內粘連區、滑移區分佈的迭代搜索方法,並根據搜索得到的接觸區內分佈壓力反求出外部載荷。
  8. A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed.

    一種特殊類型的、和線性彈性理論中的平面波解有點相象的非穩態運動可以建立起來。
  9. It is well known that the construction of plate bending element is essentially more difficult than that of plane elasticity for the reason that the former has to meet the requirement of c1 continuity

    由於c ~ 1連續性要求,薄板、薄殼的有限元構造比之平面彈性存在本質上的困難。
  10. In order to avoid the difficulty in computing the general inverse of flexible matrix in legendre transformation, this paper studies the mixed coordinates formulation for some quadrilateral plate bending elements instead of fully formulating in ( e, n ) plane for their original plane elasticity elements

    為了克服legendre變換中對單元柔度陣求廣義逆的困難,對于原平面彈性單元是在參考坐標系中列式的情形,本文研究了在彎矩函數空間的混合坐標列式。
  11. By combining the displacement function of two - end fastened strip in finite strip method ( fsm ) with that of rectangular element in finite element method ( fem ), the compound finite strip - element method is used to solve plane problems with mechanics of elasticity

    摘要將有限條帶法( fsm )中兩端固定條和有限單元法( fem )中矩形單元的位移函數相迭加,運用混合條元法來求解平面彈性力學問題。
  12. Using the similarity between plane elasticity and plate bending, this paper successfully fulfils the identification of rolling vector and establishes a general method, the curvature lumping method, to represent the rolling vector by the use of simple displacements vector

    利用平面彈性和板彎曲的相似性,本文實現了角卷向量的辨識並得到了用簡單位移向量表示角卷向量的一般方法?曲率堆集法,打通了與有限元通用程序的介面。
  13. Then the equations of elastic problem are imported into the hamilton system in the plane right - angle coordinate system and a new symplectic numerical method, the symplectic difference method of elasticity in hamilton system, is put up based on the mixed equation of elastic problem. the arithmetic of the method is programmed and used in the solution of three problems of elasticity, which is sheet problem, simply girder problem and deep girder p roblem that is pressed equally in the right - angle coordinate system

    然後在平面直角坐標系下將彈性力學問題引入到hamilton體系中來,針對彈性力學混合方程建立了一種新的辛型數值計算方法? ?基於hamilton體系的彈性力學辛差分方法;並且編程實現了該方法的演算法結構,計算了三個具體的算例:受均布載荷的薄板問題、簡直梁問題和深梁問題。
  14. A thorough study is exerted in this paper on the general method of transformation from plane elasticity displacement element, which is characterized by its simple formulation and sound reliability, to plate bending element

    本文充分研究了將平面彈性位移法單元轉化為板彎曲單元的一般方法。平面彈性單變量位移元具有列式簡單、可靠性好的優點。
  15. Since the similarity between plane elasticity and plate bending is a special case of the static - geometric analogy, this paper, therefore, studies the new formulation based on the static - geometric analogy in a broad sense

    平面彈性和板彎曲的相似性是殼體靜力?幾何比擬的特例,所以在總的意義下本文就是研究基於板殼靜力?幾何比擬理論的新型板殼單元列式。
  16. Equivalent boundary integral equations with direct variables for plane elasticity problems

    平面彈性外問題的等價的直接變量邊界積分方程
  17. Equivalent boundary integral equations with indirect variables for plane elasticity problems

    平面彈性力學問題等價的間接變量邊界積分方程
  18. In the first place, with the similarity theory, a bridge is set up between plane elasticity and plate bending to transform those good plane elasticity elements into plate bending elements ; then with the guiding theory of the static - geometric analogy, a new methodology of thin shell element is presented

    研究的目的和解決方案首先是利用相似性理論在平面彈性有限元與板彎曲有限元之間建立一道橋梁,則可以將平面彈性中性能良好的單元轉化為板彎曲單元。之後可以在此基礎上以殼體的靜力?幾何比擬為指導理論構造新型薄殼單元。
  19. Based on the basic equations of the elasticity plane problem, displacement fields and singular stress fields near the v - notch tip under mixed - mode of i and ii are obtained for homogeneous materials by a new definition of the stress intensity factors

    基於彈性力學平面問題的基本方程,通過重新定義應力強度因子,推導了均質材料-復合型v型切口尖端附近的位移場和奇異應力場。
  20. The method removes the bottleneck of transformation from complementary energy element with stress functions vector to potential energy element with simple displacements vector. what is the most important about this method is that it never destroys the original convergence of the transformed plane elasticity element and that it can maintain the original precision

    本文方法列式簡單,所得板彎曲單元皆可通過常曲率分片試驗、有正確的剛體運動模式並具有與原始平面彈性單元相稱的良好精度,從而達到了將平面彈性單元轉化為板彎曲單元的目的。
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