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1)  self-adjoint boundary conditions
自伴边界条件
2)  adjoint boundary condition
伴随边界条件
3)  free boundary condition
自由边界条件
1.
The second is how to realize free boundary conditions.
起伏地表地震波数值模拟中,如何选择适合地表的数值计算方法以及更好地实现起伏自由边界条件是2个关键问题。
2.
The common program, which can calculate the lattice vibration for various crystals with NaCl structure type, has been made and it is applicable to cyclic or free boundary condition.
编制了氯化钠型结构各种晶体的晶格振动通用程序 ;它适用于循环或自由边界条件 。
3.
When the masses of two atoms in the lattice are very different,there are two forbidden gaps in the spectrum for free boundary condition.
当晶格中2种原子的质量比增大时,自由边界条件下的频谱分布出现2个禁区;不再能分为光学支和声学
4)  quasi-natural boundary condition
准自然边界条件
1.
In this paper the concept of cubic spline interpol an t in power exponent form is proposed, the existence of the cubic spline interpol ant in power exponent form under quasi-natural boundary condition is proved, an d the unique condition of the cubic spline interpolant in power exponent form is obtained.
在准自然边界条件下,证明了三次样条插指函数的存在性,并得到了三次样条插指函数的唯一条件。
5)  natural boundary condition
自然边界条件
1.
Combineing with 4-point scheme,the traditional non-linear method for natural boundary conditions in geometric modeling is improved.
针对四点法的特点 ,对传统几何造型技术中常用的非线性自然边界条件决定方法进行改进 ,基于等腰梯形四点共圆的事实 ,提出通过求轴对称点而得自然边界点的线性方法 ,很好地解决了四点法在曲面造型应用中的关键问题 。
2.
The balance equation model of the bending problem of plate with beam-strengthened edges, where the natural boundary conditions are related to the higher order derivatives of the boundary tangent and normal, is the boundary value problem of the fourth-order elliptic partial differential equations.
具有边梁加固的板的弯曲问题,其平衡方程模型为四阶椭圆型偏微分方程的边值问题,其中的自然边界条件涉及到了沿板边的切线和法线方向的高阶导数,对于非均匀、变厚度的板,该问题还具有“变系数”的特点。
3.
The balance equation model of the bending problem of plate with beam-strengthened edges,where the natural boundary conditions are related to the higher order derivatives of the boundary tangent and normal,is the boundary value problem of the fourth-order elliptic partial differential equations.
具有边梁加固的板的弯曲问题,其平衡方程模型为四阶椭圆型偏微分方程的边值问题,其中的自然边界条件涉及到了沿板边的切线和法线方向的高阶导数,对于非均匀、变厚度的板,该问题还具有"变系数"的特点。
6)  Self-Adjoint Boundary Conditions
自共轭边界条件
1.
The Self-Adjoint Boundary Conditions and Inequalities among Eigenvalues of Differential Operators;
微分算子自共轭边界条件与特征值不等式
补充资料:边界条件
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性质:当用一个微分方程描述一个化工设备的特性和各种参数间的关系时,求解这个方程必需知道这个设备的起始边界(如入口处)和终止边界(如出口处)的状态(如温度、压力、浓度等)。这些状态参数的大小称为边界条件。

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