带源的非牛顿多方渗流方程解的不存在性 |
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引用本文: | 许宗文.带源的非牛顿多方渗流方程解的不存在性[J].厦门水产学院学报,2011(3):233-235. |
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作者姓名: | 许宗文 |
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作者单位: | 集美大学理学院,福建厦门361021 |
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基金项目: | 福建省自然科学基金资助项目(2009J1009) |
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摘 要: | 研究了一类具有强非线性源的非牛顿多方渗流方程ut=div(▽|um|p-2▽um)+uq第一边值问题在初值满足一定条件时整体解的不存在性.结果表明:当u0(x)∈W10,p(Ω)∩L∞(Ω)时,若q≥m(p-1)〉1,∫Ω|▽u0m|+dx/(m+q)≥∫Ω|▽u0m|pdx/mp,则原方程的解在有限时间内发生爆破.
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关 键 词: | 非牛顿多方渗流方程 强解 弱解 |
The Non-existence of Solution of Non-Newtonian Polytropic Filtration Equation with Sources |
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Authors: | XU Zong-wen |
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Institution: | XU Zong-wen(School of Science,Jimei University,Xiamen 361021,China) |
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Abstract: | The non-existence of global solution of a class of non-Newtonian polytropic filtration equation ut=div(▽|um|p-2▽um)+uq with strong sources when initial satisfied some conditions was studied.The main results were:when u0(x)∈W1,p0(Ω)∩L∞(Ω),if q≥m(p-1)1,∫Ω|▽u0m|+dx/(m+q)≥∫Ω|▽u0m|pdx/mp,then the solution of equation would blow up in a limited time. |
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Keywords: | non-Newtonian polytropic filtration equation strong solution weak solution |
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