數值解 的英文怎麼說

中文拼音 [shǔzhíjiě]
數值解 英文
arithmetic solution
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 解 : 解動詞（解送） send under guard
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. The numerical method for the inverse problem of second - dimensional advection - dispersion - reaction equations is discussed in the article

    摘要討論了一類二維對流反應擴散方程反問題的數值解法。
  2. The thesis focus on the numerical analytical method of curved broadband wire antennas. first, the paper introduced the development of broadband antennas, the common measures to broaden antennas " bandwidth and the study on curved antennas. second, the generalized halen integral equation ( mei ' s equation ) was derived based on the three basic equations of wire antennas by two means and its numerical solution method was discussed

    本文就曲線寬頻帶線天線的數值分析方法展開研究，首先介紹了寬頻帶天線的發展，實現天線寬頻帶的常用方法和曲線天線的研究現狀，然後在直線加載天線滿足的方程的基礎上用兩種方法推導了曲線天線滿足的推廣的海倫積分方程（ mei 』 s方程） ，討論了不同基函數下方程的數值解法。
  3. Numerical research on fins to alleviate draft tube surging

    設置消減壓力脈動穩流片后尾水管數值解析
  4. For obtaining the numeral solutions of round elastic plates in axisymmetrical deformation with varying - thickness in nonlinear deformation in the unsteady electromagnetic field and mechanical field, by establishing the equations of motion, the equations of distortion, the equations of lorentz force, the equations of electronic dynamic mechenical, and adopting iterative method, we gained the nonlinear magneto - elastic calculation method and outcome of current - carrying shell, and gained the influencing degree toward mechanical parameter of varying thickness round ferreous plates in the electromagnetic field and mechanical field

    摘要為了獲得內邊界固定的環形導電薄板在均布力與橫向磁場作用下的變形問題的數值解，通過建立運動方程、變形方程、電動力學方程和洛侖茲力方程，運用迭代法得出了載流板殼的非線性磁彈性的計算方法和結果，以及機械場、電磁場對鐵質變厚度圓板各力學參量的影響程度。
  5. Numerical computation of a cauchy problem for laplace ' s equation

    問題的一種數值解法
  6. On the maximal solution of the matrix equation

    之最大解的性質及數值解法矩陣方程
  7. Lagrange multiplicator method is introduced in the numerical computation to release the constraint. galerkin method based on the variation principle is used to solve differential and integral equations

    Galerkin方法是基於變分原理基礎上的一種把微分方程或積分方程轉化為等價的變分方程，通過離散變分方程求原方程數值解的方法。
  8. In this paper, the crank - nicolson type finite difference method is applied to the benjamin - bona - mahony equation. we obtain the existence and uniqueness of the numerical solutions

    在這篇文章中，使用crank - nicolson有限差分方法來離散benjamin - bona - mahony方程，得到其數值解的存在性和唯一性。
  9. Numerical method of quasi wavelet for revisory burgers equation

    方程擬小波數值解
  10. So the model is more integral and accurate in describing the performance of heat and mass transfer in the adsorbent bed than the traditional mathematical model. 4. pens ( perturbational exponential numerical scheme ) is adopted to ensure the successful solving of the mathematical model and the reliability of results

    採用攝動精確數值解格式（ pens ）來求解數學模型中的主要控制方程，並且考慮到控制方程的非定常性，對原pens格式進行了非定常變換，保證了數學模型計算的成功和結果的可靠性。
  11. The results show that it is the numerical method of high analyzable degree for the hybrid tvd scheme combinated with fvm, and the scheme is not only sufficiently accurate and nonoscillatory, but also capable of treating automatically hydraulic jump

    算例驗證表明：應用組合型tvd ? muscl格式配合有限體積法是一種高解析度的數值方法，且tvd ? muscl格式對于自動捕捉激波和抑制間斷附近的數值解波動十分有效，它對間斷具有高解析度。
  12. Boundary element solution to a class of periodical heat conduction equation

    一類周期性熱傳導方程的邊界元數值解法
  13. The numerical solution of finite element for bending - compression column with different tension - compression modulus

    拉壓不同模量彎壓柱的有限元數值解
  14. In this thesis, two time domain numerical solution approaches have been deduced by the aid of computational mathematics and circuit theory

    本文藉助程序設計、計算數學、電路的理論知識推導出兩個時域數值解法。
  15. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括：提出了模糊隨機變量協方差和反向協方差的概念；研究了二階模糊隨機變量的均方收斂性，並在此基礎上得到了均方模糊隨機分析、平穩模糊隨機過程及其譜分解的若干定理；根據均方模糊隨機分析理論，得到了輸入為模糊隨機過程的線性系統的輸出輸入統計特徵關系方程；證明了ito型模糊隨機微分方程解的存在唯一性，並給出了ito型線性模糊隨機微分方程解的表達式，統計特徵方程以及非線性模糊隨機微分方程的數值解法；得到了模糊線性系統的穩定性和可觀性條件、線性模糊隨機系統統計特徵方程和線性模糊隨機系統的kalman濾波演算法；研究了當觀測值是模糊數據時，線性回歸模型的建立。
  16. The centre of the dark sector soliton evolution equation is derived by means of particle analytical method, equivalent form dark soliton ' s evolution equation in the photorefractive crystal, esceptialy between tow dark soliton ; the potential expression and it ' s numerically calculation is achieved, the conclusion is drawn : when the distance between two dark soliton = 0, its potential function has minimum, shows there is an stead soliton in the photorefractive maternal, and interaction between two dark soliton raches biggest ; when the distance between two dark soliton 5, its potential function is nearly equal zero, shows that the interaction between two lark soliton is very weak, nearly zero

    摘要本文從光折變晶體中能得出暗孤子所滿足的演化方程出發，用粒子分析力法得出了兩暗孤子相互作用時，其質心間的距離所滿足的演化方程，並得出了兩暗孤子相互作用勢函數的表達式，得到其數值解，並得出如下結論：當兩暗孤子間距離= 0時，其相互作用勢函數有最小值，表示在光折變晶體中有穩定的暗孤子對，並且相互作用達到最大；當兩暗孤子距離5時，其相互作用勢函數幾乎為零，表示兩暗孤子間相互作用很弱，幾乎為零。
  17. 4. with visco - elastic boundary of soil considered, the eigenvalue equation in frequency domain of soil dynamic equilibrium equation falls into a complex transcendental equation. in course of seeking its solution, based on argument principle and contour integral, with the aid of matlab, two numerical algorithm combined with the corresponding procedures for solving transcendental equations in a complex plane is developed by the author

    4 、由於考慮了土體的粘彈性支承邊界條件，使得其動力平衡方程在頻域內的固有值方程為一復數超越方程，為了求解該方程，筆者基於幅角原理和閉合曲線積分，結合matlab ，提出了復平面上超越方程的兩種數值解法，並編制了相應的程序。
  18. First, in virtual of identification of flaws is a typical of in - verse problems, proceeding from time - harmonic electromagnetic maxwell ' s equa - tion and helmholtz equation, the uniqueness and existence of direct scattering problems including the numerical algorithms of diverse of boundary conditions is given. second, the uniqueness and existence of inverse scattering problems and the theory of ill - posed integral equation are briefly looked back upon. finally, indicator function method for boundary identification is set up under all kinds of boundary conditions for inverse scattering of homogenous and inhomogenous objects, meanwhile, the proof of possibility for near - field measurements and nu - merical simulation are given

    由於缺陷的識別是一類典型的反問題，因而首先從時諧電磁maxwell方程和helmholz方程出發，具體地闡述了求解正散射問題的有關方法，包括各種（夾雜）邊界條件下的數值解法，就解的存在性唯一性給予了肯定的回答；隨后對逆散射問題的理論作了簡短的回顧，包括解的唯一性以及非線性不適定積分方程的處理等；然後對均勻介質和非均勻介質的逆散射問題建立了在各種邊界條件下的邊界識別的指示函數方法，鑒于近場數據獲得的重要性，對近場測試時邊界識別的方法給予了相應的證明，並且實現了數值模擬。
  19. The main results and academic contributions of the dissertation can be summarized as following : 1 ) for the difficulty to obtain the accurate analytical solution of the stress constraints around 3d cracks, detailed 3d fe analyses have been conducted to study the out - of - plane constraint factor tz around a straight through - thickness crack, a quarter - elliptical corner crack and a semi - elliptical crack embedded in an isotropic elastic plate subjected to uniform remote tension loading. the distributions of tz are minutely studied in the forward section of the cracks. strong 3d zones ( tz > 0 ) along the crack front were investigated despite the far field stress - free boundary conditions

    全文主要研究內容和學術貢獻如下: 1 .針對一般三維裂紋端部場應力約束準確解析的困難，對均勻拉伸載荷作用下各向同性彈性板中穿透厚度中心直裂紋、半橢圓表面裂紋和1 / 4橢圓角裂紋進行了大量詳細的全場應力三維有限元分析，首次全面分析了非穿透裂紋端部場三維影響區范圍，給出了不同形狀三維裂紋前沿離面應力約束因子tz的數值解，並結合k場平面解給出了非穿透裂紋端部應力場k - tz雙參數描述。
  20. These include the single fiber pull out tests, single fiber fragmentation tests, etc. however, experimental work is time consuming and its outcomes are not always repeatable, while analytical solutions are not usually available for solving such complex problems as the characterizations of the interfacial mechanical properties of fiber reinforced composites

    目前在這一領域內常用的研究和分析方法有試驗、解析法以及數值解法。但試驗方法費時費力，結果的可重現性較差，而且對纖維增強復合材料的界面問題幾乎無法得到解析解。
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