Constructive and formal difference schemes for singularly perturbed parabolic equations in unbounded domains in the case of solutions growing at infinity
Abstract:An initial boundary value problem for a singular perturbed parabolic reaction-diffusion equation is considered in a domain unbounded in x on the real axis; the leading derivative of the equation contains the parameter ε 2 ; ε ∈ (0, 1]. The right-hand side of the equation and the initial function indefinitely grow as O x 2 for x → ∞, which leads to an indefinite growth of the solution at infinity as O Ψ(x) , where Ψ(x) = x 2 + 1. For small values of the parameter ε a parabolic boundary layer appears in the neig… Show more
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