根据一阶拟线性偏微分方程组的特征理论，讨论内弹道两相流方程组的类型。
Following the theory on characteristics of first order quasi-linear partial differential equations, classification of the balance equations for two-phase flow in interior ballistics is discussed.
本文通过理论推导，证明在反应动力学常微分方程参数估值中所采用的拟线性化法在本质上仍然属于高斯—牛顿法的范畴。
This paper proves that the quasilinearization method for parameter estimation of ordinary differential equation in chemical reaction kinetics essentially belongs to the region of Gauss-Newton method.
本文讨论了一交通模型的一阶拟线性偏微分方程激波产生唯一性的条件并给了严格的证明。
A condition of a one-order quasilinear partial differential equation of a traffic model forming unique shock wave is given end proved.
本文主要用首次积分法构造一阶拟线性偏微分方程始值问题的解。
The fist integration is mainly used tO form the initial value solution of fist order quasi-linear partial differential equation.
用拟壳法建立了正三角形网格的三向扁锥面单层网壳的非线性动力学微分方程。
Using the method of simulated shell, non-linear dynamic differential equation of three-dimensional single-layer shallow lattice shell with equilateral triangle mesh is established.
本文讨论了拟线性微分方程边值问题的跳跃层个数。
This paper discusses the numbers of jump layers of boundary value problems in quasilinear differential equations.
本文中我们采用扩展混合有限元方法和混合体积元方法数值模拟了二阶拟线性抛物型积分微分方程和二阶拟线性抛物问题。
In this paper , we consider the Expanded Mixed Finite Element Method and mixed covolume method for the quasilinear parabolic integro-differential equation and quasilinear parabolic problem.
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。
The initial boundary value problem and initial value problem for the semilinear pseudo-hyperbolic integrodifferential equation are considered.
研究一类拟线性拟抛物型积分微分方程的初边值问题。
This paper studies the initial boundary value problem for a class of quasilinear pesudoparabolic integrodifferential equations.
一阶拟线性偏微分方程。
通过积分的方法得到了一类带有边值条件的拟线性微分方程爆破解的存在性。
By the quadrature method, an explosive solution for a class of quasilinear ordinary differential equations with boundary conditions are obtained.
对一阶拟线性偏微分方程与其特征方程组的关系，文中给出了简洁的逻辑分析和推导方法。
The paper has used concise methods of logical analysis and reasoning to describe the relation between the first-order quasilinear partial differential equation and its system of characteristic...
通过求解环空拟液面的运动微分方程序得出以此，可以确定抽油井正常生产时环空拟液面的深度。
Through working out the differential equation of motion of the pseudo-fluid level in annular space, the depth of the...
通过求解环空拟液面的运动微分方程序得出以此，可以确定抽油井正常生产时环空拟液面的深度。
Through working out the differential equation of motion of the pseudo-fluid level in annular space, the depth of the...
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