1) symplectic difference scheme
辛差分格式
1.
Discussion is given on the existance of conservative laws of symplectic difference scheme for the Hamilton System and the relationship between them and the stability of the symplectic difference scheme.
讨论了Ｈａｍｉｌｔｏｎ系统辛差分格式守恒量的存在性问题以及它们与辛差分格式的稳定性间的关系。
2.
Some symplectic difference schemes for a quantum system were constructed in terms of thesymplectic difference schemes of nonautonomous Hamiltonian system.
根据非自治哈密顿系统的辛差分格式，构造了适用于一个哈密顿显含时间的模型量子系统的辛差分格式。
2) symplectic difference schemes
辛差分格式
1.
Symplectic geometrical theory and symplectic difference schemes for solving scattering field of objects;
辛几何理论和辛差分格式算法在目标散射场计算中的应用
3) Symplectic difference format
辛差分格式
1.
Symplectic difference format for elasticity problems under stress boundary condition;
弹性力学应力边界问题的辛差分格式
4) multisymplectic difference schemes
多辛差分格式
5) square preserving and symplectic difference scheme
平方守恒-辛差分格式
6) differencing scheme
差分格式
1.
Different differencing schemes (Upwind, Hybrid, and Hquick) were used to predict vehicle exhausted pollutant dispersion in an urban street canyon.
选用不同的差分格式(Upwind, Hybrid, Hquick)对城市街道峡谷内部汽车污染物排放浓度进行了预测,并于风洞实验结果对比。
2.
On the basis of analysis, the flow field is simulated with different turbulent models and differencing schemes on refined grid, and the result is compared with that of wind tunnel test.
分析了影响模拟计算精度的原因,在此基础上应用优化网格和不同的湍流模型及差分格式,比较了计算结果并与风洞试验结果相验证。
3.
In this paper,a high accuracy differencing scheme for solving the paramelerequation is given,using the method of undetermined ate coefficients.
本文给出了一个解抛物型方程的恒稳定的差分格式,计算量较小,截断误差达0(ΔtΔx~2+Δx~4+Δt~4)。
补充资料：差分格式
差分格式
difference scheme
。尽of)中考虑.利用高速计算机解常微分方程和偏微分方程的典型差分格式的有效数值方法已经发展起来. 下面给出差分格式的一个简单例子.假设给定微分方程 。I，‘:卜a ox、u‘x卜汀‘x).) a(x))0 .0
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参考词条