viscoelastic equations
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Complexity ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Salah Mahmoud Boulaaras ◽  
Abdelbaki Choucha ◽  
Mohamed Abdalla ◽  
Karthikeyan Rajagopal ◽  
Sahar Ahmed Idris

In this work, we consider a quasilinear system of viscoelastic equations with degenerate damping and source terms without the Kirchhoff term. Under suitable hypothesis, we study the blow-up of solutions.


2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
Salah Boulaaras ◽  
Abdelbaki Choucha ◽  
Praveen Agarwal ◽  
Mohamed Abdalla ◽  
Sahar Ahmed Idris

AbstractIn this work, we consider a quasilinear system of viscoelastic equations with degenerate damping and general source terms. According to some suitable hypothesis, we study the blow-up of solutions. This is the general case of the recent results of Boulaaras’ works (Bull. Malays. Math. Sci. Soc. 43:725–755, 2020) and (Appl. Anal. 99:1724–1748, 2020).


2021 ◽  
Vol 2021 ◽  
pp. 1-9
Author(s):  
Erhan Piskin ◽  
Salah Mahmoud Boulaaras ◽  
Hasan Kandemir ◽  
Bahri Belkacem Cherif ◽  
Mohamed Biomy

Under some given conditions, we prove the explosion result of the solution of the system of nonlocal singular viscoelastic with damping and source terms on general case. This current study is a general case of the previous work of Boulaaras.


2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
Qian Li

AbstractThis article is devoted to a study of the blow-up result for a system of coupled viscoelastic wave equations. By establishing a new auxiliary function and using the reduction to absurdity method, we obtain some sufficient conditions on initial data such that the solution blows up in finite time at arbitrarily high initial energy. This work generalizes and improves earlier results in the literature.


2021 ◽  
Vol 2021 (1) ◽  
Author(s):  
Sun-Hye Park

AbstractIn this work, we investigate blowup phenomena for nonlinearly damped viscoelastic equations with logarithmic source effect and time delay in the velocity. Owing to the nonlinear damping term instead of strong or linear dissipation, we cannot apply the concavity method introduced by Levine. Thus, utilizing the energy method, we show that the solutions with not only non-positive initial energy but also some positive initial energy blow up at a finite point in time.


2021 ◽  
Vol 2021 ◽  
pp. 1-10
Author(s):  
Fatma Ekinci ◽  
Erhan Pișkin ◽  
Salah Mahmoud Boulaaras ◽  
Ibrahim Mekawy

In this work, we consider a quasilinear system of viscoelastic equations with degenerate damping, dispersion, and source terms under Dirichlet boundary condition. Under some restrictions on the initial datum and standard conditions on relaxation functions, we study global existence and general decay of solutions. The results obtained here are generalization of the previous recent work.


2021 ◽  
Vol 2021 ◽  
pp. 1-18
Author(s):  
Abdelbaki Choucha ◽  
Salah Mahmoud Boulaaras ◽  
Djamel Ouchenane ◽  
Ali Allahem

In this current work, we are interested in a system of two singular one-dimensional nonlinear equations with a viscoelastic, general source and distributed delay terms. The existence of a global solution is established by the theory of potential well, and by using the energy method with the function of Lyapunov, we prove the general decay result of our system.


2021 ◽  
Vol 6 (5) ◽  
pp. 4664-4676 ◽  
Author(s):  
Salah Boulaaras ◽  
◽  
Abdelbaki Choucha ◽  
Bahri Cherif ◽  
Asma Alharbi ◽  
...  

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