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2003•Chinese Quarterly of MechanicsRequires access

A 3-Dimensional Volume of Fluid Method-PLIC3D

XI Bao-shu

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Abstract

With piecewise linear interface construction, PLIC3D (PLIC in 3-Dimension), a VOF (Volume of Fluid) method in 3-dimension, was studied. Its efficiency was proved by a benchmark, spheric ideal fluid moving with a constant speed; compared with the results from DA3D (Donor-Acceptor in 3-Dimension) by piecewise constant interface construction (PCIC), PLIC3D kepts interfaces smoother and more consistent. Higher accuracy of construction from PLIC than from PCIC was proved. A practical sample, tank dripping, whose free surfaces were traced by PLIC3D, was numerically studied, from which the surface profiles and velocity fields were obtained.

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What this paper is about

With piecewise linear interface construction, PLIC3D (PLIC in 3-Dimension), a VOF (Volume of Fluid) method in 3-dimension, was studied. Its efficiency was proved by a benchmark, spheric ideal fluid moving with a constant speed; compared with the results from DA3D (Donor-Acceptor in 3-Dimension) by piecewise constant interface construction (PCIC), PLIC3D kepts interfaces smoother and more consistent. Higher accuracy of construction from PLIC than from PCIC was proved. A practical sample, tank dripping, whose free surfaces were traced by PLIC3D, was numerically studied, from which the surface profiles and velocity fields were obtained.

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Available abstract

With piecewise linear interface construction, PLIC3D (PLIC in 3-Dimension), a VOF (Volume of Fluid) method in 3-dimension, was studied. Its efficiency was proved by a benchmark, spheric ideal fluid moving with a constant speed; compared with the results from DA3D (Donor-Acceptor in 3-Dimension) by piecewise constant interface construction (PCIC), PLIC3D kepts interfaces smoother and more consistent. Higher accuracy of construction from PLIC than from PCIC was proved. A practical sample, tank dripping, whose free surfaces were traced by PLIC3D, was numerically studied, from which the surface profiles and velocity fields were obtained.

Key concepts: Volume of fluid method, Piecewise linear function, Piecewise, Dimension (graph theory), Constant (computer programming), Volume (thermodynamics), Benchmark (surveying), Mathematics

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