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- Diffusion in fractal media,as an anomalous diffusion,is different from that in Euclidean space. Fractional diffusion equation can describe diffusion process in fractal media more exactly than the normal differential diffusion equation. 分形空间中的扩散与欧几里德空间中的扩散不同,为反常扩散,扩散方程不能用普通微分方程准确描述,需用分数微分方程。
- Riesz space fractional diffusion equation 空间分数阶扩散方程
- the time fractional diffusion equation 时间分数阶扩散方程
- A Difference Approximation for Time Fractional Diffusion Equation 一种时间分数阶扩散方程初边值问题的隐式有限差分格式
- Numerical Approximate to the Space-time Fractional Diffusion Equation with Modified Variational Iteration Method 空间分数阶扩散方程的超线性收敛离散格式
- fractional diffusion equation 分数阶扩散方程
- The model consists of a single advection?diffusion equation with a source term. 此模型由一个单一的具有源项的对流扩散方程组成.
- The solution of the diffusion equation can be used to simulate the evolution of some kinds of scarp slopes. 摘要扩散方程可以用来模拟某些坡地演化形态。
- The other type of initial value problem of interest for us is the diffusion equation. 另一类我们感兴趣的初值问题是扩散方程。
- The form solution to the Mixed Problem of one dimension inhomogeneous diffusion equation was given through the method of undetermined function. 摘要利用待定函数法给出了一维非齐次扩散方程混合问题的形式解。
- The properties of solution to a class of quasilinear degenerate parabolic system coupled via three nonlinear diffusion equation are considered. 摘要研究了由三个拟线性退化抛物型方程通过非线性项耦合而得到的一类拟线性退化抛物方程组解的性质。
- The diffusion equations are derived by the Chapman Enskog method. 该模型满足流体质量扩散方程和运动方程。
- RICHARD C.HASKELLI,Lars O.Svaasand,et al.,Boundary conditions for the diffusion equation in radiative transfer[J].J Opt Soc Am A 1994,11(10):2727 2741. 张睿;刘小林;鲍鸿吉;等.;边界条件对生物组织漫射光时域模拟计算的影响[J]
- A perturbational finite volume (PFV) method for the convective diffusion equation is presented in this paper. 在有限体积(FV)方法的重构近似中;引入数值摄动处理;即把界面数值通量摄动展开成网格间距的幂级数;并利用积分方程自身的性质求出幂级数的系数;同时获得高精度迎风和中心型摄动有限体积(PFV)格式.
- This paper deals with the periodic optimal control governed by a degenerate nonlinear diffusion equation. 摘要研究由退化非线性扩散方程所支配系统的周期最优控制问题。
- This algorithm using wavelet coefficient to approximates the diffusion function of the nonlinear diffusion equation. 该方法用小波系数估计非线性扩散方程的扩散函数。
- The continuum equation for tumor cell and the diffusion equation for nutrients and inhibitor are established. 建立肿瘤细胞相的连续胜方程与营养、抑制因子的扩散方程。
- This paper concerns with the initial and boundary value problem for a nonlinear diffusion equation with degeneracies. 摘要研究具退化性的一类非线性扩散方程的初边值问题。
- A variational formula combining mixed finite element method with discontinuous finite element method is derived for solving the two-group neutron diffusion equation in 2D. 摘要构造了求解二维两群中子扩散方程的混合间断有限元格式，研制了相应的计算程序。
- Based on the diffusion equation, the transition probability density of stock prices is calculated by means of the Monte-Carlo method. 摘要在扩散方程对股价运行描述的基础上，用蒙特卡罗方法得出未来某一时刻股价转移概率密度的数值解。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
