computational methods 中文意思是什麼

computational methods 解釋
計算方法
  • computational : adj. 計算的。
  • methods : (方法):是指定給對象的函數。在函數被指定給對象之後,該函數就可以被稱為是該對象的方法。
  1. Computational methods of lw ground - wave transmission channels

    長波地波傳輸通道計算方法
  2. This paper elaborates ctod and j - integral completely beginning with the basic concept of the two parameters, moreover, it performs an easy review to the relationship between them along with the computational methods and experimental means respectively

    本文從ctod和j積分的基本概念入手,對這兩個參數進行了全面闡述,並且對它們之間的關系問題以及各自的計算方法和試驗方法做了簡單的回顧。
  3. This dissertation mainly researches the displaced phase center antenna ( dpca ) technique in the new system, and the contributions are calculated as following : 1. the doppler history is analyzed for the spaceborne bistatic sar, doppler center frequency and doppler fm rate computational methods are studied. summing up is done for the methods of moving target detection and imaging

    本文完成的主要工作有: 1 .分析慢速運動目標信號特徵以及運動目標對sar成像的影響(多普勒中心頻率,多普勒斜率以及距離徙動誤差) ,總結了目前sar運動目標檢測與成像的主要方法。
  4. Except from the above achievements, the paper adopts two kinds of computational methods to analysis and compare, one is the spatial fem, the other is the cross direction supporting frame method. the results are present which the spatial fem can relatively accurately reflect stress of the practical structure, and which in spite of being convenient, the cross direction supporting frame method can lead to error while determining dimension of the cross bending str ess

    另外,還針對該橋箱室較寬的特點,分別採用空間有限元模型和橫向支承框架法兩種計算方法對橫向彎曲問題進行了分析研究。結果表明:空間有限元模型能夠較準確地反映出實際結構截面的受力特點,計算所得的結果基本符合實際情況。
  5. On computational methods in photonic crystal finite difference time domain method ( fdtd ) and plane wave expansion method ( pwe ) are widely used in calculation the dispersion relation of the photonic crystals

    光子晶體計算方法的研究用於計算光子晶體的計算方法中,有限時域差分方法( fdtd )和平面波展開方法被廣泛使用,我對這兩種方法都有所研究,也有所突破創新。
  6. A hydrodynamic optimal method to enhance the energy conversion coefficient of the vertical - axis variable - pitch turbine is presented in this paper based on the analysis of the existing mathematical models, on the computational methods for predicting the hydrodynamic performance of turbines and on the available experimental results. by applying mathematical optimal theory, a mathematical model for optimizing the hydrodynamic attack angle of the blades of turbines is formulated and some numerical results are obtained as well

    本文在總結和研究豎軸可調角直葉水輪機水動力性能計算的現有數學模型,計算方法和實驗結果的基礎上,運用最優化理論,給出了改善和提高該種水輪機能量利用率的一種優化方法,建立了數學模型,並得到了計算結果。
  7. Numerical prediction of ship hydrodynamic performance at design stage using computational fluid dynamics ( cfd ) technique is a most important and challenging subject in the field of ship hydrodynamics. with the rapid development of computational methods and computer technology, cfd is becoming a practical tool in ship design

    採用計算流體動力學( cfd )技術實現在船舶設計階段對船舶水動力性能的精確預報,是船舶水動力學學科中一個具有重大理論和實用意義的、富有挑戰性的課題。
  8. This article mainly utilizes some computational methods with specific skills to solve some electrostatic field questions with quite complex boundary shape

    而本文主要運用一些帶有特定技巧的計算方法求解一些邊界形狀比較復雜的平面場問題。
  9. Fix on up and down limit and computational methods of convolution integral

    卷積積分上下限的確定與計算方法
  10. In this paper, the numerical techniques and computational methods for limit analyses and shakedown analyses of soil structures and foundations are systematically investigated and then are employed to the assessment of the safety of the non - homogeneous foundations and the offshore platform foundations. in this dissertation, the computational method which combines elasto - plastic analysis with melan ' s theorem is developed and then applied to evaluate limit load and shakedown load of soil structures. elasto - plastic analyses are performed to obtain elasto - plastic stress field and elastic stress field

    在巖土工程領域,飽和粘土的安定現象與飽和砂土的液化早已為人所知,但是安定性理論及其分析在工程實際中並沒用受到足夠的重視,在這方面的探索研究也極為有限,這與土體穩定性評價中廣泛應用極限分析方法極不協調,而在海洋平臺地基等實際工程中安定性問題又顯得十分重要。
  11. From 14 to 18 in dec. of 2004, professor wanxie zhong attended the international conference on computational methods held in singapore, and was invited to be a session chairman

    2004年12 .月14日至18日,鐘萬勰教授赴新加坡參加世界計算方法會議,做大會報告,並擔任分組會主席。
  12. In the present thesis, i mainly report my research results in two areas, photonic crystal and negative material. the present thesis covers a wide range of topics, including computational methods, basic theory of photonic crystal, and new physical phenomena

    所涉及的內容廣泛,有計算方法的研究,也有基本理論的研究,還有一些新的物理效應的研究。
  13. After acquainting myself with the research status with regard to beam on two parameter foundation about the computational method, mechanic performance, damage assessment, similitude theory, several aspects will be studied in this paper : ( 1 ) whereas most of the existed researches are based upon winkler ( one - parameter ) foundation model, this paper discusses the computational methods of beam on two - parameter foundation, and compare the different methods with each other

    在較為充分地了解了國內外對雙參數地基上樑的計算方法、力學性能、破損評估、相似性理論應用的研究現狀后,本文主要對以下幾個方面進行研究: ( 1 )鑒于已有研究多基於文克爾(單參數)地基模型,本文對雙參數地基上樑的計算方法(靜力和動力)進行了較為深入的研究,並對各種計算方法進行了比較。
  14. In the computational methods of tpbvp, in order to reduce some difficulties involved in solving a tpbvp via adjoint variables, we discuss a direct method in which state and control variables are indirectly parameterized, the method employs a recently developed direct optimization technique that uses a piecewise polynomial representation for the state and control variables, thus converting the optimal control problem into a nonlinear programming problem, which can be solved numerically. it makes the initial iterative variable more easy to be determined

    在數值解法中,為了減少解決兩點邊值問題共軛變量帶來的困難,主要討論了將狀態變量和控制變量進行參數化的一種直接方法,這種方法採用了近段發展起來的使用分段的多項式來代替狀態和控制變量的直接優化方法,然後最優控制問題就轉化成可以用數值方法解決的非線性規劃問題,使得迭代初值更加容易選取。
  15. The computational methods of convolution integral and convolution summation

    卷積積分與卷積和解法分析
  16. In this thesis, the strain - hardening model of contact surface layer, the numerical theories and computational methods for shakedown analyses of contact body are systematically studied and applied to the aero - gear. the mentality is that the effects of the surface hardening and contact fatigue on contact surface layer under cycle contact loading are investigated by using shakedown analysis methods considering in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations

    在國家「航空基金」 、 「總裝預研基金」等課題的資助下,本文以接觸體安定分析與接觸表面層疲勞裂紋萌生壽命預測一般演算法研究為手段,深入、系統研究了接觸體安定分析的數值理論和計算方法,全面研究了影響航空齒輪表面強化層失效的原因並提出了齒輪表面強化層裂紋萌生壽命的預測方法。
  17. Since the development of the simplex method many people have contributed to the growth of linear programming by developing its mathematical theory, devising efficient computational methods and codes, exploring new applications, and by their use of linear programming as an aiding tool for solving more complex problems, for instance, discrete programs, nonlinear programs, combinatorial problems, stochastic programming problems, and problems of optimal control

    由於單純形的發展,很多人致力於線性規劃的進步,通過發展它的數學理論、設計高效的計算方法和規則、探索新的應用,以及把線性規劃的使用作為解決更復雜問題的輔助工具,比如,離散規劃,非線性規劃,組合問題,隨機規劃問題和最優控制問題。
  18. It is put forward that computational methods used in language study for verification and improvement shoulders heavy responsibilities before they finally accepted

    計量方法要在語言研究的實踐中得到驗證並取得進一步的發展,任重而道遠。
  19. The failure modes of bucket foundation and their computational methods when the offshore platform is affected by the horizontal forces are introduced, and the computational methods of stability against sliding are also addressed

    介紹了淺海桶形基礎平臺受水平力作用時桶形基礎的破壞模式及其計算方法,並闡述了抗滑穩定計算方法。
  20. In this paper, a brief review of the basic theory and the computational methods for bedload transport have been made with the emphasis on the great influence of bedload on the bed - forming in rivers. a new way is proposed by using numerical simulation to study the nonuniform bedload transport in the changjiang estuary

    本文概括了推移質輸沙的基本理論和計算方法,闡述了推移質在河床演變中的重要作用,在總結非均勻推移質輸沙研究現狀的基礎上,提出利用數值模擬手段研究長江河口非均勻推移質輸沙的思路。
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