boundary value 中文意思是什麼

boundary value 解釋
邊界值
  • 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...
  • value : n 1 價值;重要性;益處。2 估價,評價。3 價格,所值;交換力。4 (郵票的)面值。5 等值;值得花的代...
  1. Unique existence and blowup characteristics of global solution for initial boundary value of a class of nonlinear wave equation of fourth order

    一類具有非線性邊界阻尼和源項的非線性波動方程的解的漸近性
  2. 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。
  3. Initial boundary value problem for compressible fluids

    可壓縮流體方程組初邊值問題
  4. The results show that the eigenvalues of the boundary - value problem form a denumerable set, and the eigenvalue approaches infinity

    結果表明邊值問題的特徵值構成一個可數集,並且特徵值趨向于無窮大。
  5. Forced oscillation for a class of impulsive delay robin parabolic boundary value problems

    邊值問題的強迫振動性
  6. Multiple positive solutions of singular boundary value problem for second order differential equations on half line in banach spaces

    空間中二階奇異微分方程無窮邊值問題的多重正解
  7. 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 。
  8. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。
  9. The third initial - boundary value problems of parabolic hessian equations

    方程的第三初邊值問題
  10. The global inverse function theorem is applied for the existence and uniqueness of periodical solutions to the semilinear boundary value problems. some results are improved

    摘要本文運用整體反函數理論證明了一類半線性方程邊值問題周期解的存在唯一性,推廣和改進了已有的一些結果。
  11. Three point boundary value problems for nth - order nonlinear differential equations

    階微分方程三點邊值問題
  12. On the boundary value problem of the second order stationary wave diffraction potential

    關於二階波浪繞射勢穩態解邊值問題
  13. Both initial and boundary-value problems, including displacement, traction and mixed boundary conditions are solved.

    解決了初始和邊值問題,包括位移的、曳力的和混合的邊值條件。
  14. The former three chapters considers the initial - boundary value problem for the nonlinear wave equation in a bounded domain fi c rn. chapter 2 investigates the problem with a, g and / like ( v2 ) = ( 1 + v2 ) - 1 / 2, g ( v ) = - | v | pv, p > 0 and f ( v ) = | v | mv, m > 0, respectively

    論文的主要內容分為四章,前三章主要研究定義在有界區域上的非線性波動方程的初邊值問題在第二章中( v )形式如( 1 + v ~ 2 ) ~ ( - 1 / 2 )
  15. At some time, we also research the existence of global smooth solution of the initial boundary value problem for a class of generalized camassa - holm equations

    同時還研究了一類廣義camassa ? holm方程初值問題整體解的存在性。
  16. In this paper, we study the existence of global solution and its property of the initial boundary value problem for camassa - holm equations and ginzburg - landau equations

    本文研究了camassa ? holm方程和ginzburg ? landau方程初邊值問題整體解的存在性及其性質。全文共分三個部分。
  17. The second section : under the conditions of nonlinear boundary controbility, we consider the initial boundary value problem of camassa - holm equations with dissipative. by using the contractive mapping fixed point theorem and a priori estimates, the existence of global smooth s olution, global attractor in h ~ ( 2 ), t ime p eriodic s olution or almost - periodic solution and the global exponential stability are proved

    第二部分:在非線性控制邊界條件之下,對于帶耗散項的camassa ? holm方程的初邊值問題,用壓縮映射不動點原理及先驗估計方法,證明了整體光滑解的存在性、整體解的指數穩定性、 h ~ 2空間中整體吸引子的存在性以及時間周期解和殆時間周期解的存在性。
  18. 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。
  19. Abstract : it is observed that the sommerfeld ' s formula for a progressive spherical wave is not covariant with respectro the rotation of the coordinate system. it contains complex partial waves that are not physical. the standing wave representation of the same formula is shown to be covariant and physical. it is applied to solve the boundary value problem of fiber optics. the radiation modes as well as the guided normal modes are obtained in closed forms. the intensity distribution in various modes is obtained. it is remarked that the mode of critical refraction is missing

    文摘:說明了球面行波的索末菲公式在坐標轉動下不協變.證明了球面波的駐波表示是協變的,因而是一個物理的關系式,故適用於圓柱坐標中各類波動方程的定解問題.作為一個例,應用於光纖光學,導出了受導簡正模和輻射模的表達式,以及各模式的強度分佈
  20. Existence and uniqueness theorems of solutions for a class of higher - order boundary value problems

    一類高階常微分方程邊值問題的解的存在惟一性
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