| 摘 要： | A filtration problem with second initial-boundary value in partially saturated porous media isconsidered,In addition to discussion of the existence and uniqueness of weak solution of the problem,it is demonstrated that the interface between the saturated and unsaturated regions exists andcontinues under certain conditions and the solution possesses some properties,e.g.,the balance ofwater content,the time-limit existence of weak solution ect.,which differ from those of the solutionsof the first initial-boundary value problem.
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