Global attractors for strongly damped wave equations with displacement dependent damping and nonlinear source term of critical exponent

Abstract

In this paper the long time behaviour of the solutions of 3-D strongly damped wave equation is studied. It is shown that the semigroup generated by this equation possesses a global attractor in H01()× L2() and then it is proved that this global attractor is a bounded subset of H2()× H2() and also a global attractor in H2() H01()× H01().

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