本文针对二维三温辐射热传导方程的两种简化模型的有限元方程，讨论了两层网格方法。
In this paper, using the finite element method, we discuss the two-grid methods for two simplified models.
针对二维三温能量方程九点格式离散后形成的非线性方程组，研制了高效求解的代数解法器。
We developed a high performance algebraic solver for nonlinear systems discretized from two-dimensional energy equations with three temperatures by a nine point scheme.
针对二维三温能量方程九点格式离散后形成的非线性方程组，研制了高效求解的代数解法器。
We developed a high performance algebraic solver for nonlinear systems discretized from two-dimensional energy equations with three temperatures by a nine point scheme.
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