| 两相渗流驱动问题有限元—特征线修正差分格式及理论分析 |
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| 引用本文： | 程爱杰. 两相渗流驱动问题有限元—特征线修正差分格式及理论分析[J]. 山东大学学报(理学版), 1997, 0(1) |
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| 作者姓名： | 程爱杰 |
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| 作者单位： | 山东大学数学系 |
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| 摘 要： | 研究多孔介质中可压缩可混溶两相渗流驱动问题的计算方法：压力方程用有限元方法求解，饱合度方程用特征线修正有限差分方法求解，构造了全离散数值计算格式，证明了最佳收敛阶
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| 关 键 词： | 可压缩渗流驱动问题；有限元方法；特征线修正差分；误差分析 |
FINITE ELEMENT FINITE DIFFERENCE METHOD WITH MODIFIED METHOD OF CHARA CTERISTICS FOR COMPRESSIBLE MISCIBLE DISPLACEMENT IN POROUS MEDIA |
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| Cheng Aijie. FINITE ELEMENT FINITE DIFFERENCE METHOD WITH MODIFIED METHOD OF CHARA CTERISTICS FOR COMPRESSIBLE MISCIBLE DISPLACEMENT IN POROUS MEDIA[J]. Journal of Shandong University, 1997, 0(1) |
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| Authors: | Cheng Aijie |
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| Abstract: | A numerical method is studied for compressible miscible displacement in porous media.The pressure equation is discretized with finite element method,while the saturation equation is solved by finite difference method combining with the modified method of characteristics.Optimal error estimate in H 1 norm is proved. |
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| Keywords: | compressible displacement finite element method finite difference method modified method of characteristics error estimate |
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