boundary solution method 中文意思是什麼

boundary solution method 解釋
邊界解法
  • boundary : n 邊界,疆界,限界 (between);(球場)邊線;界標;界限,范圍,分野。 aboundary dispute 邊界糾紛...
  • solution : n. 1. 溶解;溶液,溶體,溶劑。2. (補輪胎用的)橡膠水;〈美國〉藥水。3. 解決,解答 (of; for; to); 解釋;(數學等的)解法,解式。4. 免除,解除。5. 【醫學】消散,消退。
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. By the polygonal approximation method, a global approximation solution is constructed for the initial - boundary value problem of nonconvex scalar conservation laws with two - side boundary effect, and its convergence to the global weak entropy solution of the corresponding problem is proved

    摘要使用折線逼近法,對具有兩條邊界影響的非凸單個守恆律初邊值問題構造了整體近似解,並證明其收斂到初邊值問題的整體弱熵解。
  2. There are three sections in this paper. the first section : we consider the initial boundary value problem on half line and bounded interval, with kato ' s method for abstract quasi - linear evolution equations and a prior estimates of. solution, we get the existence of global smooth solution and the blow - up of solution in finite time under some conditions

    第一部分:考慮了camassa ? holm方程在半無界和有界區域上的初邊值問題,用kato關于擬線性演化方程的初值問題的理論及先驗估計的方法,證明了整體解的存在性,及在一定條件下,解在有限時間內的blow ? up 。
  3. Using the trial - solution method under specific boundary conditions, the diffusion equations were derived of chlorine, singlet oxygen, and total oxygen in gas and liquid phases

    在實際工作中的射流發生器非常復雜,其擴散方程和邊界條件為非線性,非齊次邊界條件,非齊次泛定方程組,求解難度較大。
  4. United solution method on four edges supported plate bending with boundary displacements

    支座位移作用下四邊支承矩形彈性薄板彎曲統一求解方法
  5. In chapter 3, 1 consider the nonlinear parabolic equation : where a bounded domain with smooth boundary in ; v is outward normal vector on is a positive function satisfying some compatibility conditions focus my attention on the case of m > 1, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution

    運用緊致性原理及moser迭代得到了解的整體存在性和解的熄滅性質。第三章討論了如下形式的非線性拋物方程:其中m , , 0 , r ~ + ,為r ~ n ( n 1 )中的有界域,具有適當光滑的邊界( ? ) ; v是(
  6. Monotone iteration method and upper and lower solutions were used to approach to the solution of the first - order integral boundary value problem on time scales form below and above by monotone convergent sequence

    摘要運用單調迭代方法和上下解方法構造了兩個單調序列,從上下兩個方向分別收斂到一階積分邊值問題。
  7. In addition, in order to solve the differencing equations, feasible project is presented to deal with the first and second boundary conditions. finally, jacobi interation method is selected for the solution of the equation systems

    為了實現內點離散方程組的封閉,本文就第一、二類邊界條件在計算時的處理和邊界外虛擬點的外插法求值,給出了可行的解決方案。
  8. Along with the progress of drilling technology, many new types of bha such as steering motor assembly, dropping assembly with eccentric bend sub, dropping assembly with flexible connection are developed based on common building, dropping and holding assemblies. for using these bha, a new mathematical model is put forward for 3d static analysis of these types of bha under small deflection. and its weighted residual solution is given. the mathematical model includes ( 1 ) differential equations ; ( 2 ) boundary conditions at drill bit, stabilizer, bend angle, diameter change, tangential point and borehole wall ; ( 3 ) lateral forces and deflection angles of bit. the software based upon this method runs well

    為了更好地應用各種新鉆具,建立了適用於對普通下部鉆具、導向鉆具、帶偏心彎接頭和柔性接頭的下部鉆具進行三維小撓度靜力學分析的數學模型,包括( 1 )微分方程; ( 2 )鉆頭、穩定器、彎角、變截面、切點和井壁的邊界條件; ( 3 )鉆頭的側向力和鉆頭轉角.給出了該模型的加權余量解.用該方法編寫的軟體應用效果良好
  9. A new waveguide made of changing a wide wall of a rectangular waveguide to a uniform curved wall is called conformal waveguide. a kind of expression of approximate solution for domain mode of the new waveguide, including symmetric, unsymmetric arc, parabolic arch, hyperbolic arch, elliptic arch, etc., is constructed by using boundary condition of mental waveguide, variational method and boundary element method. by using the equivalence principle, an approximate calculating formula for equivalent resonant conductance of a narrow longitudinal halfwavelength slot cut in the curved wall of the unsymmetric arcrectangular waveguide is derived, and the result is shown. although this solution is approximate, it can solve the problem in designing the slotted antenna of such conformal waveguide

    把矩形波導一個寬面外突成均勻曲面構成的新波導統稱為共形波導.利用金屬波導邊界條件、變分法、邊界元素法構造這種新波導中主模場的一種近似解表達式,包括曲面橫截線為對稱、非對稱圓弧,拋物線弧,雙曲線弧,橢圓弧等.然後根據等效原理,推導非對稱圓弧矩形波導曲面上窄的縱向半波長縫隙的等效諧振電導的近似計算公式,給出計算曲線.這種解雖然是近似的,但卻能解決這類共形波導縫隙天線的工程設計
  10. In section 2. 2, by a priori estimates and fourier spectral method, we prove the existence and uniqueness of the global smooth solution for the periodic initial value problem and obtain the large time error estimate between spectral approximate solution and the exact solution. in sections 2. 3 and 2. 4, by a priori estimates and galerkin method, we prove the existence of the global smooth solution and global attrac - tors for the initial - boundary value problem. chapter 3, consider the initial - boundary value problem of the multidimen - sional non - homogeneous gbbm equations

    第二章,考慮一類一維非齊次bbm方程,在第二節中利用fourier譜方法和先驗估計證明了具有周期初值問題的整體光滑解的存在性和唯一性,給出了fourier譜近似解和精確解的長時間誤差估計;在第三、四節中討論了初邊值問題,利用與時間t無關的一致先驗估計,證明了整體光滑解和整體吸引子的存在性。
  11. By using the asymptotic analysis method and the diagonalization technique, considers the singular perturbation of boundary value problem for system of third order nonlinear integro - differential equation. under appropriate assumptions, the existence of the solution of perturbation problem has been proved and a asymptotic expansion of the solution and the estimation of the corresponding remainder term are geven as well

    研究三階非線性積分微分方程組邊值問題的奇攝動.在適當的條件下,利用漸近分析方法和對角化技巧,證得解的存在性並給出解的漸近展開式及其餘項估計
  12. Then i consider a correlative problem : where m, > 0, s is a bounded domain with smooth boundary in ; v is outward normal vector on ; f ( s ) is continuous function and satisfies some increasing conditions ; u0 ( x ) is a positive function satisfying some compatibility conditions, to obtain the blow - up conditions of the positive solution using the method of subsolution and supersolution, extend the result of song and zheng

    )上的單位外法向; u _ 0 ( x )是正的函數且滿足一定的相容性條件:討論m 1的情況時,在何種條件下使得問題的正解整體存在或是在有限時刻爆破。主要採用上下解的方法來得到結論。隨后考慮相關問題:其中m , 0 ,為r ~ n ( n 1 )中的有界域,具有適當光滑的邊界(
  13. So the method for solution of the boundary value problems is simple and effective

    這一特點使邊界條件處理起來簡單、有效。
  14. In the electromagnetics teaching materials, the most basic solution method of the electrostatic field is the electric field principle of superposition. this method is employed widely, but regarding some complex boundary - value question, it only obtains the formal solution

    在通常的電磁學教材中,最基本平面場的求解方法是電場迭加原理,這種方法雖然應用廣泛,但對於一些復雜的邊值問題,求得的只是形式解。
  15. In this article, we study the infinite boundary value problems for first order nonlinear impulsive differential equations with " supremum " by means of the upper and lower solution method and the monotone iterative technique, and obtain the existence theorems for their extremal solutions

    摘要應用上下解方法和單調迭代技術研究了帶有上確界的一階非線性脈沖微分方程無窮邊值問題,並獲得了其極值解的存在性結果。
  16. The shooting method, sub and super solution method, and fixed point theorem were used to study a class of nonlinear diffusion equations with nonlocal boundary value condition in perforated domains

    摘要利用打靶法、上下解方法和不動點定理等工具,研究有孔區域上一類具非局部邊值條件的非線性擴散方程。
  17. Applying variational method we analyze the existence and uniqueness for the solution of the corresponding boundary variational equation, truncated mrm boundary variational equation, and approximation truncated mrm boundary variational equation in detailed. we obtain the error estimation for various approximation solutions and construct the boundary integral method with constraint. we explain the principle for choosing the mesh size and the truncated number in mrm. finally the numerical examples show that the theoretical analysis is accord with the numerical experiment result

    採用變分方法系統分析了相應問題的邊界變分方程,截斷的mrm邊界變分方程與近似截斷mrm邊界變分方程解的存在唯一性,解釋了網格寬度與mrm方法中截斷數的選取原則,討論了mrm方法中的迭代誤差估計,給出了數值算例。
  18. Abstract : the steady temperature field in irregular plane domain with radiation heat exchange boundary is analyzed by the boundary, discrete method, and the solution in form of series is obtained

    文摘:採用邊界離散方法對具有輻射換熱邊界的平面非規則域內穩態溫度場進行了分析,得到了級數形式的解。
  19. The formulation for the error analysis of acoustic radiation problem calculated by the boundary point method ( bpm ) is put forward ; the physical explanation of the boundary point analysis of the acoustic radiation problem is given ; the influence of the particular solution on the calculation stability of the bpm is studied ; the etthanced volume source boundary point method ( evsbpm ) is presented ; a test for the effectiveness of the evsbpm is carried out on the aspects of its calculation precision, calculation speed, calculation stability, adaptation to the geometric shape of vibrating body as well as its ability to overcome the non - uniqueness problem through various examples with different boundary shapes and different boundary value distributions

    第三章導出了邊界點方法分析振動聲輻射問題的誤差估計理論公式,揭示了邊界點方法分析振動聲輻射問題的物理本質;研究了特解場的局部特性對邊界點方法的數值穩定性的影響;改進了現有的特解場構造方法,提出了改進體積源邊界點方法;通過諸多不同邊界曲面和不同邊界量分佈的聲輻射算例,從計算精度、計算速度、計算穩定性、對振動體表面幾何形狀的適應性以及克服解的非唯一性等方面,對改進體積源邊界點方法的有效性進行了考證。
  20. Finally, we further consider the following boundary valuable problem of the reaction - diffusion system with time delay. the existence of periodic solutions for this system by the periodic upper and lower solution method and fixed point theory are investigated

    最後,我們進一步研究時滯反應擴散系統的邊值問題利用不動點定理,上、下解方法及運算元理論,得到方程周期解的存在性
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