We study the nonlinear viscoelastic wave equation
in a bounded domain, with the initial and Dirichlet boundary conditions. By modifying the method in , we prove that there are solutions, under some conditions on the initial data, which blow up in finite time with nonpositive initial energy as well as positive initial energy. Estimates of the lifespan of solutions are also given.
Submitted February 7, 2006. Published April 6, 2006.
Math Subject Classifications: 35L05, 35L15, 35L70, 37B25.
Key Words: Blow-up; life span; viscoelastic; integro-differential equation.
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| Shun-Tang Wu |
General Educational Center
China University of Technology
Taipei, 116, Taiwan
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