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迁移理论中控制参数方程的解及其离散纵标逼近之收敛性
THE SOLUTION OF CONTROL PARAMETER EQUATIONS AND THE CONVERGENCE OF THE DISCRETE-ORDINATES APPROXIMATIONS IN TRANSPORT THEORY
【摘要】 本文考虑中子迁移理论中板几何的新的参数(称为控制参数)方程μαφ(x,μ)/αx-1/δ[integral from -1 to 1(k(x;μ,μ′)φ(x,μ′)dμ′-σ(x)φ(x,μ))]=f(x,μ),(x,μ)∈[-a,a]×[-1,1],满足边界条件φ(a,μ)|μ<0=0,φ(-a,μ)|μ>0=0的解。我们得到如下结论:存在正常数ρ、使得当β=1/δ,0<β<ρ时,该方程在Banach空间B中有唯一解,且用离散纵标法计算得到的解必收敛于相应的解。
【Abstract】 In this paper, We consider the solution of the new parameter (control parameter) eguattion for the slab geometry in the transport theory of neutrons,satisfying boundary conditionsWe have found that there exists a positive constant ρ such that the equation has a unique solution in Banach space B, when β=1/δ, 0<β<ρ, and the solutions computed b the discrete-ordinates method do converge to the corresponding solution,
- 【文献出处】 高校应用数学学报A辑(中文版) ,Applied Mathematics A Journal of Chinese Universities , 编辑部邮箱 ,1988年02期
- 【被引频次】3
- 【下载频次】9