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欧拉方程组径向对称正规解的爆破 被引量:1

Blowup of the radial symmetric regular solution for the Euler equations
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摘要 研究了N维可压缩欧拉方程组真空问题径向对称正规解的爆破问题,利用积分法得出该问题非平凡径向对称正规解(ρ,V)在有限时间T=2∫R_20φ~2(r)φ′(r)drH_0^(-1)内发生爆破. The blowup of the radial symmetric regular solutions for the N-dim compressible Euler equations is studied,while the initial flow is vacuum outside a ball.Under some assumptions,it is shown that the nontrivial classical solutions(ρ,V)blowup on or before the finite time T=2∫0R2φ^2(r)/φ′^(r)drH0^-1.
出处 《东北师大学报(自然科学版)》 CAS CSCD 北大核心 2016年第2期31-34,共4页 Journal of Northeast Normal University(Natural Science Edition)
基金 国家自然科学基金资助项目(11161021 61262031 11326139) 江西省科技厅项目(20142BAB211010)
关键词 欧拉方程组 径向对称 正规解 积分法 爆破 Euler equations radial symmetry regular solution integration method blowup
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