variational method
[数] 变分法
2025-11-02 01:54 浏览次数 13
[数] 变分法
it is a variational method whose constraints are represented by the dynamic model for numerical weather prediction, and is a substantial improvement on the traditional variational scheme.
伴随模式的方法是以数值天气预报的动力模式作为约束条件的变分方法,比传统的变分方法有了很大的改进。
in this paper, the variational method combinated with green's function is used to analysis the characteristics of suspended stripline. the result is in good agreement with references.
本文用变分原理结合格林函数分析计算了悬置带线的特性,计算结果与其它论文结果符合很好;
the discrete variational method (dvm) and cluster model are used to study the electronic structure and atomic configuration of the hydrogen-vacancy complex in aluminum.
本文利用离散变分法(dvm)和集团模型研究了铝中氢—空位复合体的电子结构和几何构型。
the ring-structure fields of self-focusing light are solved by using the variational method and the perturbation method.
本文用变分法和摄动法求解大芯径石英光纤环形自聚焦光场。
the mean field variational method is a basic variational approximate inference method.
均值场变分方法是图模型最基本的变分近似推理方法。
features of solving the hydrodynamic equations by the fully conservative implicit difference scheme and solving the thermal conductive equations by the variational method are discussed.
讨论了用隐式完全守恒差分格式求解流体力学方程组,用变分原理求解热传导方程等特点。
the variational method is utilized for the discretization of the governing transient conduction-convection equation, with heat transfer coefficients adaptively determined by the actual mill data.
生产应用中,采用短时、长时自学习方法对换热系数进行在线修正,进一步提高模型的预测精度和稳定性。
a variational method is presented for computations of both monopole mode and dipole mode rf quantities in metal disk-loaded waveguides.
利用变分法研究了周期性盘荷波导中零极模、二极模及更高极模式的电磁场特性。
in tills paper, a new imaging formula for a conical defocusing grin fiber lens is derived by using the variational method and the abcd law.
本文用变分法以及abcd定律,导出了锥形发散梯度折射率纤维透镜新的成象公式。
energy variational method is adopted to analyze the cable-stayed construction and the cable suspended cantilever construction in this paper.
本文采用能量变分法分别对斜拉结构和悬挂结构进行分析。
it is a fairly proper method to handle these sorts of problems by using variational method and b splines.
同时这一工作也表明,用线性变分法结合b样条函数在处理这类问题时是非常有效的。
some end value condition derived by variational method in accordance with the least energy loss principle and their mechanical background are also dealt with.
同时从能量最小原理出发,用变分的方法推导出几种端值条件,说明它们的力学背景。
var- ious methods for calculating flow stress of superplastic compression of a cylinder are compared. the results from finite element method and variational method are much more clos…
与计算圆柱体超塑性压缩流动应力的上限法、滑移线法和变分法进行比较。计算表明,有限元法和变分法的结果比较接近实验数据。
the variational method is a branch of mathematics, and was developed in the 17th century.
变分法是17世纪末发展起来的一门数学分支。
furthermore, a variational method of the solution of the clastoviscoplastic boundary value problem for the failure zone at the crack-tip of viscoelastic cracked body is established.
其次,建立了粘弹性裂纹体裂纹尖端衰坏区弹粘塑性边界值问题的解的变分法。
imaging formulas of gaussian beams in nonlinear conical grin rod lenses are derived from the variational method and the abcd law.
根据变分法和abcd定律,导出了非线性锥形梯度折射率棒透镜中高斯光束的成像公式。
moreover, variational method which can conveniently integrate image information, such as edge, region, shape, texture and motion field becomes the mainstream method of image segmentation.
而可以综合集成图像的区域、边缘、形状、纹理、以及运动场等信息的变分方法因其良好的通用性与可扩展性成为时下图像分割领域主流的方法之一。