2021
DOI: 10.4208/nmtma.oa-2020-0051
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On the Evolutionary Dynamics of the Cahn-Hilliard Equation with Cut-Off Mass Source

Abstract: We investigate the effect of cutoff logistic source on evolutionary dynamics of a generalized Cahn-Hilliard (CH) equation in this paper. It is a well-known fact that the maximum principle does not hold for the CH equation. Therefore, a generalized CH equation with logistic source may cause the negative concentration blow-up problem in finite time. To overcome this drawback, we propose the cutoff logistic source such that only the positive value greater than a given critical concentration can grow. We consider … Show more

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Cited by 4 publications
(2 citation statements)
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References 27 publications
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“…Here, the homogeneous Neumann boundary condition [35] is used. Given final time T, tolerance tol, current time t, time step Δt, and numerical solution φ n ijk at t, the RKF method is as follows.…”
Section: Numerical Solutionmentioning
confidence: 99%
“…Here, the homogeneous Neumann boundary condition [35] is used. Given final time T, tolerance tol, current time t, time step Δt, and numerical solution φ n ijk at t, the RKF method is as follows.…”
Section: Numerical Solutionmentioning
confidence: 99%
“…The existence of finite dimensional attractors was established. Numerical simulations were performed, e.g., in [1,14,18]. Our purpose in this manuscript is to obtain a similar asymptotic result for a linear time discretization of (1.1)-(1.2) with fixed time step δt > 0.…”
Section: Introductionmentioning
confidence: 97%