TY - JOUR T1 - Asymptotic Behavior for a Viscoelastic Wave Equation with a Time-varying Delay Term AU - Wu , Shun Tang JO - Journal of Partial Differential Equations VL - 1 SP - 22 EP - 35 PY - 2016 DA - 2016/03 SN - 29 DO - http://doi.org/10.4208/jpde.v29.n1.3 UR - https://global-sci.org/intro/article_detail/jpde/5076.html KW - Global existence KW - asymptotic behavior KW - general decay KW - time-varying delay AB - The following viscoelastic wave equation with a time-varying delay term in internal feedback $|u_t|^ρu_{tt}-Δu-Δu_{tt}+∫^t_0g(t-s)Δu(s)ds+μ_1u_t(x,t)+μ_2u_t(x,t-τ(t))=0$, is considered in a bounded domain. Under appropriate conditions on μ_1, μ_2 and on the kernel g, we establish the general decay result for the energy by suitable Lyapunov functionals.