A hyperbolic equation can fit the data well and is able to predict the DOC content and flux based on flow measurements.
据此建立的双曲线方程可用来估算DOC含量和输出通量。
The initial boundary value problem for nonlinear hyperbolic equation in three dimensional domain with moving boundary is studied.
研究具有变动边界的三维区域上的非线性双曲型方程的初边值问题。
In this paper, I design a series of high-efficiency serial schemes and parallel algorithms for one-dimension and two-dimension hyperbolic equation.
本文针对一维和二维双曲型方程的初边值问题,设计了几类高效率串行格式和并行算法。
Concerns with the nonexistence of global solutions to the initial boundary value problem for a nonlinear hyperbolic equation with material damping.
考虑了一类具材料阻尼的非线性双曲型方程初边值问题整体解的不存在性。
After affirming the existence of non-Fourier effect, the hyperbolic equation suited for describing rapidity heat transfer process inside propellant is obtained.
通过分析研究点火瞬态过程中推进剂内部急速热传导存在的非傅立叶效应,推导得到具有双曲性质的固体推进剂瞬态热传导方程。
A class of nonconforming finite elements are applied to hyperbolic equation with semidiscretization on anisotropic meshes, the optimal error estimates are derived.
在各向异性条件下,讨论了双曲型方程的一类非协调有限元逼近,给出了半离散格式下的最优误差佑计。
In this paper, an implicit-explicit upwind difference scheme for the first order linear hyperbolic equation is proposed using explicit scheme and implicit scheme alternately.
本文采用显格式与隐格式交替使用的方法,针对一阶线性双曲方程提出了一种隐-显迎风差分格式。
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.
应用Galerkin方法及紧致性原理,研究了一类非线性双曲型方程初边值问题整体解的存在性。
In this paper, we show the domain of the existence of the solution on Goursat problem for quasi—linear hyperbolic equation and obtain the Theorem of the existence and uniqueness in above domain.
本文以两个自变量的拟线性双曲型方程的古尔沙问题为例,应用反函数和积分不等式证明了等价积分方程组解的存在唯一性,同时给出了解的存在区域和已知参量的依赖关系。
Starting from paraxial wave equation, analytical propagation expressions of hyperbolic secant pulsed beams with narrowband and broadband are derived.
从近轴波动方程出发推导了窄带和宽带双曲正割脉冲光束的解析传输公式。
A class of exact solutions of the Dirac equation are obtained for an electron in the electromagnetic field of a wave guide formed by two pairs of hyperbolic cylinders.
研究了位于由两对双曲柱面构成的波导管电磁场里的单电子的性质,得到了单电子在场中狄拉克方程的新一类精确解;
By starting from the paraxial wave equation, the analytical expression of the ultrashort Hyperbolic Secant pulsed beam are deduced.
从傍轴波动方程出发,给出了超短双曲正割脉冲光束的解析解。
Acording to features of production hyperbolic decline equation, a linearized method of solving nonlinear hyperbolic decline equation is proposed out.
根据产量双曲递减方程的特点,提出了非线性双曲方程的线性化求解方法。
The numerical results show that the numerical model used in the paper can be effectively used in the numerical simulation of the hyperbolic mild slope equation.
数值计算的结果表明,该数值模型可有效地应用于双曲型缓坡方程的数值求解。
In this paper the boundary value problem for a neutral hyperbolic differential equation is studied. A new method for judgement of oscillation solution is obtained and is spreded known results.
研究了一类中立型双曲型泛函微分方程边值问题,得到了判定解是振动的新的方法,推广了已有的结果。
The correlation coefficient shows that obtained hyperbolic kinetic equation is fitting well with the reaction.
回归相关系数表明,双曲线动力学方程与反应能较好地吻合。
In this paper, the oscillation properties of solutions under a kind of boundary conditions for impulsive hyperbolic differential equation of neutral type are studied.
研究了一类边界条件下中立型脉冲双曲方程解的振动性,得到了每个非零解振动的若干充分条件。
To study the oscillatory of solutions to a class of nonlinear neutral hyperbolic differential equation with continuous distributed delay.
研究一类具有连续分布滞量的非线性中立型双曲方程解的振动性质。
The neutral delay nonlinear hyperbolic differential equation is considered. A sufficient condition for the oscillation on the equations is obtained.
考虑一类中立型时滞双曲微分方程,得到了该方程振动的一个充分条件。
The initial boundary value problem and initial value problem for the semilinear pseudo-hyperbolic integrodifferential equation are considered.
本文讨论半线性拟双曲型积分微分方程的初边值和初值问题。
This paper has given the global uniqueness theory of solutions for a class of inverse problem in 1-d Wave equation of hyperbolic type.
本文给出了一类双曲型一维波动方程反问题的解的整体唯一性定理。
Impulse hyperbolic partial differential equation oscillation higher order Laplace operator.
脉冲双曲型偏微分方程振动性高阶Laplace算子。
In this paper we constructed an exponentially fitted difference scheme for singular perturbation problem of hyperbolic-parabolic partial differential equation.
本文对双曲-抛物偏微分方程奇异摄动问题构造了一个指数型拟合差分格式。
The concept of ellipse is extended to hyperbolic space and the equation is discussed. Some geometric data of ellipse, such as symmetries, will be considered.
在 双 曲空间中引进相应的椭圆概念、讨论椭圆的方程,并对椭圆的对称性等几何性质做出细致考察。
The results show that relationship between flow stress and strain rate is applied to hyperbolic sine equation in the hot compressive deformation of 6061 aluminum alloy;
研究表明,6061铝合金热压缩塑性变形时的流变应力和应变速率之间的关系满足双曲正弦函数关系式;
Having analyzed and compared some typical solutions to the hyperbolic decline equation, this paper presents a new statistical analytical sieve method.
本文从油田实际出发,分析对比了常用的几类典型双曲递减方程解法的特点,提出了一种全新的统计分析筛选方法。
Having analyzed and compared some typical solutions to the hyperbolic decline equation, this paper presents a new statistical analytical sieve method.
本文从油田实际出发,分析对比了常用的几类典型双曲递减方程解法的特点,提出了一种全新的统计分析筛选方法。
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