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third boundary-value problem的中文,翻译,解释,例句

third boundary-value problem

third boundary-value problem的基本解释
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第三边值问题

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Third, the "Shanghai Cooperation Organization" is from solves the Chinese Communists boundary problem to start to form, the protection of border security are its main purposes.

第三,「上海合作组织」是从解决中共边界问题开始形成,保障边界安全是其主要目的。

Secondly, based on the different structure characteristics and additional conditions, we study several kinds of inverse problems of pseudoparabolic equations. One is a kind of pseudoparabolic inverse problem of identifying a constant coefficient solved by combining the formal solution of the problem and the additional condition properly. The second is the pseudoparabolic inverse problems of identifying an unknown boundary function and an unknown source term solved by using the Riemann function method to get the formal solution of the problem and then using the additional condition to transform the problem into a Volterra integral equation of the second kind. The third is a kind of backward heat flow problem of nonlinear pseudoparabolic equation solved by combining the Riemann function method and the fixed point theory properly.

其次,根据不同模型的结构特点和附加条件,研究了几类伪抛物型方程的反问题:一是利用问题的形式解并结合附加条件,解决了一类伪抛物型方程常数系数的反问题;二是利用Riemann函数方法获得问题的形式解,利用附加条件将问题转化成求解第二类Volterra积分方程问题,解决了一类伪抛物型方程未知边界值的反问题和未知源项的反问题;三是将Riemann函数方法和不动点定理相结合,解决了一类非线性伪抛物型方程的后向热流问题。

In the second chapter the theory of weighted residual technique is illustrated and the boundary integral function of the potential problem is deduced by it. Method of obtaining Greens function fundamental solution is presented. It also illustrates how to deal with inhomogeneous regions and the third boundary condition. At last the numerical solution of boundary integral function is presented.

第二章首先说明了加权余量法的原理,并由此推出了势问题的边界元积分方程,还介绍了无限域中格林函数的基本解的求法,以及多介质域和第三类边界条件的处理方法,最后说明了边界积分方程的数值解法。