2022
DOI: 10.1155/2022/2751592
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Benchmark Problems for the Numerical Schemes of the Phase‐Field Equations

Abstract: In this study, we present benchmark problems for the numerical methods of the phase-field equations. To find appropriate benchmark problems, we first perform a linear stability analysis and then take a growth mode solution as the benchmark problem, which is closely related to the dynamics of the original governing equations. As concrete examples, we perform convergence tests of the numerical methods of the Allen–Cahn (AC) and Cahn–Hilliard (CH) equations using the proposed benchmark problems. The one- and two-… Show more

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Cited by 6 publications
(5 citation statements)
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“…We have set the initial condition to u(x, 0) = cos(2x) + 0.01e cos(x+0.1) [38] for x ∈ (0, 2𝜋) and applied our proposed schemes to this initial condition until T = 2. The resulting plots can be seen in Figures 10 and 11.…”
Section: Figurementioning
confidence: 99%
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“…We have set the initial condition to u(x, 0) = cos(2x) + 0.01e cos(x+0.1) [38] for x ∈ (0, 2𝜋) and applied our proposed schemes to this initial condition until T = 2. The resulting plots can be seen in Figures 10 and 11.…”
Section: Figurementioning
confidence: 99%
“…To conduct stability tests on maximum admissible time step size for the proposed schemes, we set the initial condition to u(x, 0) = cos(2x) + 0.01e cos(x+0.1) [38] for x ∈ (0, 2𝜋). In Table 1, we list the maximum time step Δt max for different schemes by varying problem parameter 𝜖 and fixing the final time T = 2.…”
Section: Figurementioning
confidence: 99%
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“…Nowadays, many numerical methods are applied to solve AC equations. Hwang et al [10] presented benchmark problems for the numerical methods of the phase eld equations.…”
Section: Introductionmentioning
confidence: 99%