牛顿问题
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p-Laplacian方程组在非牛顿流体问题,非线性弹性问题及冰川学等研究中有应用,并且在方程的理论研究中受到重视。
System of p-Laplacian equations has application in the study of non-Newtonian fluid , nonlinear elasticity and glaciology .
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线弹性问题与牛顿流体问题的对应关系
Correspondence between linear elastic problem and Newtonian fluid problem
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牛顿环问题探讨
A discussion on newton 's rings
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用矩阵光学的方法和干涉条纹形成的条件研究了非定域牛顿环问题。
The non fixfrontier Newtonian rings are studied by using matrix optics method and the condition of forming interference fringe .
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牛顿n-体问题是一个古老而复杂的问题,即便是平面三体问题至今也没有得到完全解。
Newtonian n-body problem is an old , complicated problem .
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一类非牛顿流体流动问题的变分原理和广义变分原理
Variational Principle and Generalized Variational Principle in Hydrodynamics of a Class of Non-Newtonian Fluid
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针对四面体网格的膝关节模型,提出了采用改进的LSD度量建立形变能量,将带约束的最优化问题转化为不带约束的最优化问题,通过带Armijo线性查找的非精确牛顿法求解最优化问题。
Towards the tetrahedral model , we firstly employ the improved LSD metric to build the deformation energy . By converting the constrained optimization problem into the unconstrained one , the optimization can be performed by using inexact Newton method with an Armijo line search method .
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用重叠分块牛顿法计算潮流问题
Solving load flow equations with overlapped block Newton methods
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基于位移原形观测资料,采用修正的高斯-牛顿算法求解最小二乘问题识别混凝土和岩石介质的弹性模量。
Based upon the measured displacement in situ , the algorithm of identifying material parameter is proposed for rock and concrete with modified Gauss-Newton method .
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给出了四参数非牛顿流变模型下的线接触流变Reynolds方程,然后用多重网格方法,对等温线接触流变弹流润滑问题进行了完全数值解,并与牛顿流体弹流问题的数值解进行了比较。
A rheological Reynolds equation of the line contact elastohydrodynamic lubrication ( EHL ) with four parameters is given . A number of numerical solutions of the line contact isothermal EHL problem has been obtained by using the multi grid method .