Classification of Blow-up and Global Existence of Solutions to a System of Petrovsky Equations


  • Truong Thi Nhan Faculty of Natural Basic Sciences- Foreign Langueges, Vietnamese Naval Academy, Nha Trang city, Viet Nam


Global existence, Decay rate, Blow-up in finite time, Petrovsky systems


In this paper, we investigate global existence, uniform decay, and blow-up of solutions for a class of system of Petrovsky equations containing nonlinear damping and sources. By introducing a family of potential wells, we not only obtain the invariant sets and vacuum isolating of solutions but also give some threshold results of global existence and nonexistence of solutions. Furthermore, by using energy techniques, we also establish certain qualitative estimates for solution.


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2023 Sep 12

How to Cite

T. N. Truong, “Classification of Blow-up and Global Existence of Solutions to a System of Petrovsky Equations”, Electron. J. Appl. Math., vol. 1, no. 2, pp. 29–59, Sep. 2023.



Research Article
Received 2023 May 21
Accepted 2023 Sep 11
Published 2023 Sep 12

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