differential element 中文意思是什麼

differential element 解釋
微分單元
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • 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 approximation of the parabolic integro - differential equations is studied with anisotropic biquadratic finite element

    摘要研究具有各向異性特徵的雙二次元對拋物積分微分方程進行了逼近。
  2. The elastic foundation model is considered as two - parameter elastic foundation model and its effect to moderate - thick plates are taken into account by a set of governing differential equations. united with hu hai - chang ’ s function, least squares collocation weighted residual method which uses b - spline function as trial function is put forward for solving the bending problems. compare with the results of finite element method of lines, spline finite strip method, accurate solution of series etc. it is proved that the method in this article has adequate accuracy and practical feasibility

    本文採用瑞斯納中厚板理論求解彈性地基板,建立雙參數地基與中厚板相互作用的控制微分方程,結合胡海昌的解耦函數,運用雙五次b樣條函數作為試函數的離散型最小二乘加權殘值法分析了雙參數地基上的中厚板的彎曲問題,並將結果與有限元線法、有限條法、級數精確解等進行比較,證明本文方法具有足夠的精確性與實際的可行性。
  3. 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。
  4. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后差全離散格式。給出了該全離散格式的誤差分析,得到了離散解逼近未知函數u以及伴隨速度p的關于空間和時間的最優階誤差估計。
  5. The main mechanism is designed based on differential lever theory and flexure hinge, its magnification performance is simulated using finite element method ( fem ). the simulation result shows that the main mechanism owes good magnification performance

    基於差動杠桿原理和柔性鉸鏈結合起來設計了液體中運動微機器人的主體機構,並利用有限元法對主體結構的放大性能進行了模擬,所研製的放大機構具有較好的放大效果。
  6. When the element studied lost the stability during the elastic - plastic period, the stability balance equation turn to the special coefficient differential equation, and the analytic value cannot be got

    當所研究構件是在彈塑性階段失穩時,穩定平衡微分方程變成非常系數微分方程,而無法求得其解析解。
  7. An element is lumped if its terminal relation is an ordinary differential equation as opposed to a partial differential equation.

    如果一個元素的端子關系是一個常微分方程,其反面為一個偏微方程,則它是集總的。
  8. The celebrity symbol has a system of signifier made up of highly differential signifier and charming signifier. the signified system is constructed by the kind signified and the personal signified. the system of the celebrity symbol also acts as an element of the whole advertising text and should be changed into an advertising symbol supporting the whole appeal

    名人符號的符號系統還置身於更大的廣告系統,作為服從于廣告文本整體意義生成的一個意義單元,名人符號必須參與到整個文本的換檔加速過程中以完成從自身向廣告符號、從實際上的「自說自話」狀態到為廣告訴求服務的艱難過渡。
  9. In this paper, on the basis of existing tracing method and differential coefficient method, five new methods are put forward, superposing of infinitesimal element - tangent method, differential coefficient - tangent method and equation method, by taking advantage of fast calculating ability of the computer. two - dimensional planar electrostatic field of complicated charged bodies are simulated successfully with these methods. the changing trend of electric field along a certain direction of a set of point charges are also given in this paper

    本文利用計算機快速準確的計算能力及其強大的圖形處理功能,在現有循跡法和微分法的基礎上,提出了微元疊加一切線法、微分一切線法以及方程法方法,成功地模擬了一些復雜帶電體的二維平面靜電場以及平面分佈的點電荷系的電場沿空間某方向的變化趨勢。
  10. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。
  11. The influence of differential settlement on pavement performance was analyzed using commercial finite element method software, ansys, to simulate pavement structures under vehicle applications with subgrade on treated soft ground

    通過對材料性質的模擬,採用ansis最新版本軟體對路面結構進行了詳細計算。研究沉降對路面使用性能的影響。
  12. Because of the calculation difficulty when solving the dynamic problems, development of the efficient algorithm for the dynamic differential equations is always an important research and the space - time finite element method can provide a feasible approach to it

    由於求解動力學問題時計算繁瑣且有誤差累積,因此,開發出求解動力學微分方程的有效演算法一直是一個重點的研究方向,而時空有限元法可以為此提供一條可行的途徑。
  13. 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
  14. After the mechanical model and the dynamic differential equations of the buildings are set up and solved using the theory of structure dynamics, the base isolated system, the tmd system, and this up - low control system are discussed. the analysis results show that the stiffness and damp of the superstructure are variables that play important parts in the effects of earthquake response ' s decreasing. secondly, finite element models are established to analysis the mechanical performance of bawangfen subway platform with upper two buildings in beijing

    藉助于ansys - v5 . 7有限元分析軟體,本文還對設置和未設置減震層的北京八王墳地鐵車輛段大平臺結構?上部住宅系統進行了有限元建模,並對這兩個系統的模態和三維地震動作用下的非線性地震反應進行了大量的計算分析,對比了對應於4條地震波的8度小震、中震和大震情況下減震體系和非減震體系的層間剪力和層間位移等反應。
  15. In theory, the noise elimination capacity is calculated by the method which the characteristic equation of noise elimination of the dissipative silencer is translated into the constant differential eguation. and the project simulates and calculates the distributing thing of interior velocity of flow by the finity element

    在理論上,採用了將阻性消聲器的消聲量特徵方程轉化為常微分方程的計算方法計算消聲量;在計算阻性消聲器的阻力損失時,運用了有限元數值模擬的方法模擬計算了簡化消聲器模型內部流場流速的分佈情況,並由此得到其動態阻力損失。
  16. In chapter 2, the partial differential equations of heat transfer and the basic equations of heat elasticity theory as well as the solution with the finite element method have been explained

    第2章闡述了熱傳導的偏微分方程和熱彈性理論的基本方程以及用有限元法進行的求解。
  17. In this article, the author stimulates some complex sites using two - phase media motion differential equations, finite element lumped - mass method and multi - transmitting formula

    本文利用兩相介質運動微分方程和集中質量有限元法,並結合透射邊界對幾種復雜場地對地震波傳播的影響進行了模擬。
  18. Otherwise, this method was applied into solving burgers equation, and the numerical results show that it is a prospective numerical method for nonlinear partial differential equation. e. lastly, the wavelet stochastic finite element method for a stochastic model of soil erosion in a rill was proposed

    第五、將隨機有限元方法和小波精細積分法相結合提出了對細溝侵蝕模型的統計特性進行分析的小波隨機有限元方法。
  19. At the beginning of fourth chapter, the article transforms the solving problem of partial differential equation for the american put price into a standard initial and boundary value problem of parabolic type by making some transformations. afterwards, the solving problem of parabolic type is transformed into a initial value problem of ordinary differential equation with respect to through fourier transform again. at the last section of the fourth chapter, the article solves the initial value problem with the progressive euler method and the finite element method

    在第四章,對美式看跌期權價格所滿足的偏微分方程定解問題通過作一系列變換,使之轉化為一個標準的拋物型初、邊值問題,接著又通過傅里葉變換,把拋物型初、邊值問題轉換為一個關于時間變量的常微分方程初值問題,然後再分別利用改進的歐拉法和有限元法對其進行了求解。
  20. This same differential element will make an identical contribution when viewed in the overlapping spread-function scheme.

    從交疊的擴展函數方案來看,同一個微分元也將作出相同的貢獻。
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