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- EXISTENCE AND UNIQUENESS OF BV SOLUSIONS FOR A QUASILINEAR DEGENERATE HYPERBOLIC EQUATION WITH LOCAL FINITE MEASURES AS INITIAL CONDITIONS 以局部有限測度為初值的擬線性退化雙曲方程BV解的存在唯一性
- Degenerate hyperbolic equations 退化雙曲型方程
- Degenerate quasi-linear hyperbolic equation 退化擬線性雙曲方程
- A clase of leap-frog finite difference scheme with higher stability propertiesfor a hyperbolic equation Ut+aUx=0 are proposed in this paper. 本文提出了一種數值求解雙曲方程Ut+aUx=0的高穩定性蛙跳顯格式。
- The paper deals with the existence of global solution for some semilinear hyperbolic equation with initial and boundary value by using Galerkin method and compactness criteria. 應用Galerkin方法及緊致性原理,研究了一類非線性雙曲型方程初邊值問題整體解的存在性。
- In this paper,some GE schemes for the first order hyperbolic equation with constant coefficients are given.Then we analysis the stability and the error. 本文給出一階常系數雙曲型方程初邊值問題的幾類GE算法,分析它們的穩定性與收斂性。
- A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived. 摘要在各向異性條件下,討論了雙曲型方程的一類非協調有限元逼近,給出了半離散格式下的最優誤差佑計。
- Conventional seismic data processing method uses hyperbolic equation to describe time-distance formula of reflection wave, error of this equation increases with the increase of heterogeneity, anisotropy and spread length. 常規地震資料處理方法是利用雙曲線方程來描述反射波時距曲線規律,此方程隨著地層非均質性、各向異性和排列長度的增加,其誤差變大。
- The results obtained shows the intrinsic difference of the neutral hyperbolic equations from hyperbolic equation. 這些結果充分揭示了中立型雙曲方程與雙曲型方程存在質的差異。
- The numeric solution!of hyperbolic equation by FEA indicates that the deductions should comply with the acoustic parameters such as sound velocity, vibration range, wave shape etc. 波動方程的有限元數值解表明 ,在錨桿灌漿體內部缺陷的探測中可用聲速、幅值、波形等聲參數作為判斷的依據。
- Thereinto ADI method for first order hyperbolic equation is discussed emphatically.Numerical experiments are given and results indicate that ADI method is practicable and effective. 其中重點闡述了一階雙曲型方程的ADI算法,并給出了數值試驗,結果表明ADI算法是正確的、高效的。
- The nonexistence of global weak solution to elliptic equation and the evolution equation, together with the nonexistence of local weak solution to hyperbolic equation is contained in this paper. 本文運用試驗函數法研究了帶有非局部源的偏微分方程的全局弱解的不存在性,內容包括橢圓方程、發展方程全局解的不存在性以及雙曲型方程的局部弱解的不存在性。
- The coefficient functions of the hyperbolic equations considered are assumed to be piecewise constant. 我們假設在所考慮的微分方程中,系數函數為片段常函數。
- Linear triangular element is considered to solve second order hyperbolic equations on anisotropic meshes in 2-D. 討論各向異性網格下線性三角形有限元對二階雙曲方程的逼近問題。
- The oscillation of a class of nonlinear hyperbolic equations with continuous distributed deviating arguments is studied. 研究了一類帶連續分布的滯變量的非線性雙曲方程的振動性.
- Cui Baotong, Li Weinian. Oscillation of systems of hyperbolic equations with functional arguments[J]. Appl. Anal. , 1999, 72(1-2): 43-56. 鄭立輝;潘德惠.;家庭轎車需求量預測的分布參數系統方法[J]
- Super convergence of semidiscretization interpolation coefficients of guasilinear hyperbolic equations is discussed by using GFEM. 3.;討論了擬線性雙曲方程的半離散插值系數有限元的超收斂性。
- This degenerate seduced my daughter! 這個道德敗壞的人勾引我的女兒!
- Then we analyze hyperbolic equations solving algorithms and deduceassociated algorithm of Taylor series expansion and Least-Lquares estimation,stimulate the algorithm. 然后分析了雙曲線定位方程的求解算法,推導了泰勒級數展開結合最小二乘估計聯合求解算法,并對算法性能進行了仿真;
- The paper studies a problem of modelling the early growth of ductal carinoma in situ of the breast (DCIS).This model has decoupled parabolic equations and hyperbolic equations. 摘要研究了乳腺癌的早期生長模型(DCIS),它為耦合了拋物方程、橢圓方程的自由邊界問題。