We give an existence result of the obstacle parabolic equations3b(x,u) div(a(x,t,u, Vu))+div((x,t,u))=f in QT, 3twhere b(x,u) is bounded function ot u, the term atva,x,r,u, v u)) is a Letay type operat...We give an existence result of the obstacle parabolic equations3b(x,u) div(a(x,t,u, Vu))+div((x,t,u))=f in QT, 3twhere b(x,u) is bounded function ot u, the term atva,x,r,u, v u)) is a Letay type operator and the function is a nonlinear lower order and satisfy only the growth condition. The second term belongs to L1 (QT). The proof of an existence solution is based on the penalization methods.展开更多
文摘We give an existence result of the obstacle parabolic equations3b(x,u) div(a(x,t,u, Vu))+div((x,t,u))=f in QT, 3twhere b(x,u) is bounded function ot u, the term atva,x,r,u, v u)) is a Letay type operator and the function is a nonlinear lower order and satisfy only the growth condition. The second term belongs to L1 (QT). The proof of an existence solution is based on the penalization methods.