Abstract
This work is concerned with a system of nonlinear wave equations with nonlinear damping and source terms acting in both equations. We will prove that the solution of our considered system blows up in finite time provided that the initial data are large enough. This result extends a previous result in [1] to a large class of initial data. The key ingredient in the proof is a method used in [25] with necessary modifications imposed by the nature of our problem.
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