采用一种新的方法,通过对如下初边值问题u_(tt)-Δu-γΔu_t-ωΔu_(tt)-? integral from 0 to t k(t-τ)ψ(u(τ),?u(τ))dτ-h(x,t,u,?u,u_t,?u_t)u_t-g(x,t,u,?u,u_t,?u_t)u+f(u)=σ(x),?(x,t)∈Ω×R^+进行研究,证明了一类非线性积...
Acknowledgements This work was supported in part by the National Natural Science Foundation of China (Grant Nos. 11401422, 11172194), the Provincial Soft Science Foundation of Shaanxi Province (No. 2014041007), and Provincial Science Foundation of Shanxi (Nos. 2014011005, 2015011001).
Two-grid mixed finite element method is proposed based on backward guler schemes for the unsteady reaction-diffusion equations. The scheme combines with the stabilized mixed finite element scheme by using the lowest e...