element of finite order 中文意思是什麼

element of finite order 解釋
有限價元素
  • 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...
  • of : OF =Old French 古法語。
  • finite : adj. 有限的;【語法】限定的;【數學】有窮的,有盡的。n. 〈the finite〉 有限(性); 〈集合詞〉有限物。adv. -ly ,-ness n.
  • order : n 1 次序,順序;整齊;(社會)秩序,治安;狀況,常態;健康狀態;條理;會場秩序;議事程序,日程;...
  1. Fist of all, on the basis of the research of agone boffins, this author investigates the interaction mechanism of bolts and rock, and introduces the elastic ? lastic analytical resolution which is consist of the liner structure, the equivalent reinforced wall rock and the original wall rock in the simple loading from the equivalent well - proportioned view ; this solution is very important meaning for the engineering design. on the basis of coulomb friction model, the author introduces the finite element equation of the contact problem in order to provide the academic foundation for the application of msc. marc. finally, combining the engineering practice of the non - linear analysis of shield tunnel through yellow river of the south - north water transfer and using the model of friction, the author researched the evolution law of stress and displacement field in the structure of grouted rock bolts, and analyzed the effect to the stress and deformation of surrounding rock mass due to anchor supports

    首先,在前人研究成果的基礎上,對錨桿與圍巖的相互作用機理進行研究,利用全長錨固錨桿的中性點理論,從等效均化的角度來考慮錨桿對圍巖的加固作用,並推導了在簡單荷載作用下,含有襯砌、等效加固后的圍巖、原始圍巖三者的彈塑性解析解,對工程設計有著重要的參考意義;在數值模擬方面,以考慮錨固圍巖滿足規則化庫侖摩擦模型為基礎,利用虛功原理推導了接觸問題的有限元方程的計算格式,為開發運用大型商用有限元軟體msc . marc提供了理論根據,也形成了本文的理論基礎:最後,論文以南水北調東線穿黃隧洞穩定性分析項目為工程實例,利用本文所述的接觸問題的摩擦模型理論,對錨桿支護結構的應力場、位移場的變化規律進行了研究,分析了加錨支護對隧洞圍巖應力、變形的影響。
  2. This paper simply introduces the device of on - line monitoring for the thrust of the rotating maching, then discu ed the finite dement analyses on the on - line monitoring elastic dement for measuring thrust in detail, in order to develop the performance of the se or and the device, we calculated the distribution of the stre 、 strain 、 axial di lacement in the elastic element using the finite element method when the axial forces f = 3 104n, the result is very satisfied

    簡單介紹大型旋轉機組軸向力在線監控裝置,然後詳細介紹軸向力測力彈性元件的有限元分析,為了提高所研製的測力傳感器的性能,採用有限元方法計算了彈性元件在軸向力f = 3 104n時的應變、應力、靈敏度及軸位移等的分佈情況,分析結果表明:所設計的測力傳感器完全符合廠方的要求及儀表性能指標。
  3. Its distributing of stress is simulated by finite element analysis software in order to compare their fixedness

    並使用有限元分析軟體對不同微橋進行結構分析,以比較其穩固性。
  4. Based on the theory of unsaturated soil mechanics and the properties of compacted expansive soil, this paper takes the northern part k12 + 840 - k12 + 920 of nanning urban highway as an example to studies some aspects of lime improvement of expansive soil and the technology of construction. the chief content of this paper is : the lime improvement mechanism of expansive soil ; confirm the technical parameters of lime mixed from the results of test in laboratory ; the scale - down test to define the maximum effective grain size of expansive soil when it is improved by lime ; by building bank slope model and making use of finite element seepage flow program of saturated - unsaturated to calculate the examples, this paper simulates the humidity site in order to checkout the effect of lime improvement ; studies and proves that it is feasible to mix blocky expansive soil and pulverous lime, and to fill roadbed by common construction machines etc.

    本文研究的工作就下述幾個方面展開:用石灰改良膨脹土的機理;通過室內試驗確定摻灰的技術指標;在室內進行膨脹土摻灰的最大有效粒徑的模擬試驗,即鈣離子水試驗,由此總結出「粉?塊」灰?土攪拌工藝的有效性、合理性和可行性;用數值方法對路堤使用期的濕度場進行模擬,並與路堤的強度?變形的計算域耦合,以檢驗土性改良的效果,從而探索一種描述改良膨脹土路堤運行工況的數值方法;用現有最常用的且費用最低的施工機具,對灰?土進行「粉?塊」攪拌摻和及路基的填築施工等。
  5. For confirming the results, a full - size model ( dj / dj = 0. 6, t / t = 1. 5 ) was analyzed by means of strain gauge test. the reliability of finite element analysis was proved because the results basically accorded with that of the test. secondly, in this paper, in order to carry out a fair assessment of the reinforcement design on spherical shell with transnormal nozzle, a comparison of reinforcement method was done between jb4732 - 1995 steel pressure vessels ? esign by analysis appendix a4 and hg20582 - 1998 specification for stress calculation of steel chemical vessels

    為了驗證ansys分析結果的可靠性,對其中一組參數下(開孔率0 . 6 、厚度比1 . 5 )的模型容器,採用電測法進行了應力測試,並將得到的實驗結果與有限元結果進行了比較,二者在應力分佈狀況和大小上均基本吻合,證明此種結構運用ansys進行分析,其結果是完全可靠的。
  6. In order to determine the solution set of the equation, by the means of meet - irreducible element and irredundant finite meet - decomposition, we first obtain the maximal solutions to the simple equation in the case that b has an irredundant finite meet - decomposition, and then consider the relation between the equation and the equation, based on this, we obtain the maximal solutions to the equation in the case that each element of the matrix b has an irredundant finite meet - decomposition and so determine its solution set completely

    為了確定方程的解集,本文利用交既約元與不可縮短的有限交分解等工具,同樣地先求出簡單形式的型矩陣方程的所有極大解,然後討論方程與方程之間的關系,在此基礎上,在b的每個元素均有不可縮短的有限交分解的情況下,求出了方程的所有極大解,從而完全確定了方程的解集
  7. In order to carry out the fem computation, 3 - d isoparametric joint element of finite thickness is used to simulate the structural jionts such as longtitudinal slots, and lamella finite element is utilized to simulate seams in dam body and fractures in foudation

    利用有限厚度三維接縫單元模擬縱縫等結構縫,用薄層單元模擬再生縫及壩基斷裂;並對有限元計算所得單元結點應力進行優化。
  8. The present findings of nonlinear research in frame structures, and the methods for design of second - order effect in the codes from china and other countries, were briefly introduced in this paper. the contents and methods of design and calculating about second - order effect in gb50017 - 2003 were discussed as well. a rotational displacement equation for geometric nonlinear structures was derived, and then a nonlinear finite element program for rigid frames was compiled by fortran

    本文簡要地介紹了框架結構非線性研究的現狀以及各國規范對框架二階效應的設計內容和方法;對我國《鋼結構設計規范》 gb50017 - 2003給出的考慮框架結構二階效應的方法進行了探討;推導了基於幾何非線性框架的轉角位移方程,在此理論基礎上用fortran語言編制了剛性框架二階內力分析的有限元計算程序,並用此結構分析程序對多種框架進行了一階和二階的彈性分析,討論了二階效應在框架分析中不應忽略的原因,同時分析了影響框架二階效應的因素。
  9. Professor chan specializes in structural engineering, his main research interests are in the areas of higher order finite element method, shearwalls and corewalls, and plate and space structures

    陳教授為結構工程學專家,主要研究領域包括高級有限元分析法剪力墻和核心墻板和空間結構。
  10. The asymptotic expansions of the hermite finite element approximations for two point boundary value problem of fourth - order differential equations with extrapolation

    有限元解的漸近展式與外推
  11. In this article, computer simulation of mechanical performance of typical asphalt pavement structure under heavy axle load has been analyzed by means of finite element program abaqus, in order to supply some fundamental information for the asphalt pavement structure with higher bearing capacity designing under the heavy axle load

    文章利用大型有限元程序abaqus ,對承受重軸載車輛荷載作用的典型路面結構力學性能進行計算機模擬分析,為特重車輛作用下承載能力較強的瀝青路面設計提供基礎資料。
  12. 2. the delamination at the interface is one of typical failure mode for electronic packaging. in order to get more understanding of the propagation behaviour of [ he delamination, a series of finite element simulations related were done

    為了對界面分層及其傳播行為進行深入研究,本文對b型和d型兩種實驗倒裝焊封裝,在熱循環加載下,進行了有限元模擬。
  13. Calculation of time domain of second order wave diffraction in three dimensions with finite element method

    三維二階水波繞射問題的有限元時域計算
  14. The six methods are as follows : the supperposition method, the state space method, the complex mode method, the direct integral method, the numerical method for solving the initial - value problem of first - order ordinary differential coupled equations with constant coefficients, and the time domain finite element method

    這六種方法是:振型疊加法、狀態空間法、復模態法、直接積分法、一階常微分方程組初值問題的數值解法和時域有限元法。
  15. In this paper, we consider mixed finit element methods for the initial - boundary value problems of two order hyperbolic equations and linear integro - differential equations of parabolic type, obtain the error estimates of the discrete schemes for this two kinds of problems. in chapter one, we consider the expanded mixed finite element methods for the followling 2nd order hyperbolic problems this method expands the standard mixed formulation in the sense that three variable are explixitly treated : the scalar unknwon, its gradient and its flux

    本文討論了二階雙曲方程和線性拋物型積分微分方程方程初邊值問題的混合有限元方法,得到了這兩類問題混合有限元離散格式的誤差估計。第一章討論二階雙曲初邊值問題的擴展混合元方法。該方法能同時逼近未知函數、未知函數的梯度和流體的流量,較好的模擬了帶有混合型邊界條件的二階雙曲問題。
  16. However, disadvantages still remained. during the structural analysis, large amount of high - order units were used in order to ensure the precision of arithmetic solution when using finite element method to do discrete processing

    本文是將并行機群計算系統應用到解決電法勘探中,在使用有限元方法( fem )時所產生的大型線性方程組求解問題上。
  17. Point to the limitation of existing method, the neural computation method of finite element of elasticity - plastic mechanics was studied on the base of variational principle of the second order minimal potential energy in plastic theory. the neural network solving method of elasticity - plastic mechanics based on variational principle of the second order minimal potential energy was presented, and the neural network computation model of finite element of plastic mechanics was given

    針對已有方法的局限性,以塑性理論中的二階段最小勢能變分原理為基礎,對彈塑性力學問題的神經網路有限元計算方法進行了研究,提出了基於二階段最小勢能變分原理的彈塑性力學問題的神經網路求解方法,建立了塑性力學問題的有限元神經網路計算模型。
  18. The benchmark data for theoretical analysis are obtained by calculation results of finite element models. in order to have a sound finite element model, the plastic quadrilateral shell elements model established in 1996 by bahaari and sherbourne is improved by using solid 8 nodes elements in ansys programs

    為了使理論分析有充分而且精確的基本數據,本文改進了bahaari和sherbourne提出的四邊形塑性殼單元有限元模型,建立了能夠考慮焊縫、摩擦力和預應力等因素影響的端板連接節點的三維實體單元有限元模型。
  19. The software of finite element analysis ansys is applied to modeling of a miter gate entity of ship lock in an engineering. in order to mesh and solve it, some special methods are used

    通過有限元分析軟體ansys對某工程船閘人字門的實體模型進行建模,採用了一些特殊的處理方法以便於該模型的網格劃分和求解。
  20. With synthesizing the relevant other internal and external researchers " the achievements of theory and the results of experiment, the follow work have been done in this project : revising the formulas of ground stiffness coefficient and the mass of vibrating soil and the dynamic affecting degree of depth, which apply the theory of elastic half - space and the knowledge of the soil mechanics and consider the influence of the soil characteristic and inertial action, the interaction between foundation and ground, the diverse load ; making the model of ground and foundation system calculating natural frequency by using the big - scale software supersap which is for special purposes of finite element analysis ; according to the experiment analysis, correcting and adjusting the finite element model in order to have it accord with the fact and meet the engineering demands ; doing the vibrating experiment for testing the results of the theoretical analysis and the finite element calculation ; summing up some regulars of the ground stiffness

    本文綜合參考了國內外其他學者的理論成果和實驗結果,進行了如下研究工作:運用彈性半空間理論和土力學的知識,考慮土體特性和慣性作用、基礎與地基的相互作用以及不同荷載形式等因素的影響,對動力機器基礎進行了嚴密地理論分析,修正了地基剛度、參振土質量和動力影響深度的計算公式;利用專門用於有限元計算的大型分析軟體supersap對地基基礎體系進行了建模計算,根據實驗分析,對有限元模型不斷地進行修正和調整,使其更加符合實際情況,滿足要求;通過振動實驗對理論分析和有限元計算結果進行了驗證;總結出了一些地基剛度的變化規律。
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