The Bethe ansatz equations are obtained from the periodic boundary conditions.
由周期边界条件推出贝特假设方程。
We report some new results about nonlinear differential equations on a finite discrete segment with periodic boundary conditions.
还得到了有限离散区间上非线性微分方程在周期边值条件下的一些新结果。
By introducing periodic boundary conditions, the distribution of aggregates and ITZs in concrete is simulated within a cubic element.
通过引入周期性边界条件，在立方体单元内模拟混凝土中集料和界面的分布。
Through numerical calculation, we get the frequency spectrum of one-dimensional diatomic chain in free and periodic boundary conditions.
通过数值计算，我们得到一维双原子链在自由边界与循环边界条件下的频谱。
However, this approach cannot be used for analysis of load characteristics because it proves impossible to specify periodic boundary conditions.
上面的方法不能用于负载特性分析，原因在于不能确定周期性的边界条件。
Finally, the boundary treatment of the compact finite difference scheme is discussed and compared with the numerical result with periodic boundary conditions.
最后讨论了有限差分紧致格式的边界处理问题，并与用周期边界条件计算的结果进行了比较。
The eigen problems of spin waves in a homogeneous ferromagnetic bilayered system with periodic boundary conditions are solved by using the improved interface-rescaling approach.
采用改进的界面重参数方法，讨论了周期边界条件下同质双层铁磁膜中自旋波本征激发问题。
Magnetohydrodynamics equations with periodic boundary conditions are considered in this note. The time analyticity of the solutions for the equations is proved and the backward uniqueness is obtained.
考查了周期边界条件下的磁流体方程，证明了它的解关于时间是解析的，由此得到了磁流体方程的解的向后惟一性。
Slow-wave systems generally employ periodic structures, and the electromagnetic waves transmitted therein are required to satisfy very complicated boundary conditions.
慢波系统一般采用周期性结构，其中传输的电磁波需要满足十分复杂的边界条件。
Slow-wave systems generally employ periodic structures, and the electromagnetic waves transmitted therein are required to satisfy very complicated boundary conditions.
慢波系统一般采用周期性结构，其中传输的电磁波需要满足十分复杂的边界条件。
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