2021
DOI: 10.1145/3450626.3459874
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A momentum-conserving implicit material point method for surface tension with contact angles and spatial gradients

Abstract: In-Cell (APIC) [Jiang et al. 2015]. We show that our approach enables implicit time stepping for complex behaviors like the Marangoni effect and hydrophobicity/hydrophilicity. We demonstrate the robustness and utility of our method by simulating materials that exhibit highly diverse degrees of surface tension and thermomechanical effects, such as water, wine and wax.

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Cited by 13 publications
(7 citation statements)
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References 92 publications
(115 reference statements)
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“…al. [48] modelled the surface tension with a momentum conserving implicit MPM. In their method, two different surface tension coefficients were used for a liquid drop to distinguish the liquid-gas and liquidsolid interfaces of a droplet on a surface.…”
Section: Materials Point Methodsmentioning
confidence: 99%
See 2 more Smart Citations
“…al. [48] modelled the surface tension with a momentum conserving implicit MPM. In their method, two different surface tension coefficients were used for a liquid drop to distinguish the liquid-gas and liquidsolid interfaces of a droplet on a surface.…”
Section: Materials Point Methodsmentioning
confidence: 99%
“…al. [48] assumed that the surface tension coefficient between solid-gas is zero with a free-surface assumption, then the solid-liquid contact angle can be estimated by −𝛾𝛾 𝑠𝑠𝑙𝑙 𝛾𝛾 𝑙𝑙𝑙𝑙 ⁄ according to equation (1). Different contact angles can be produced by using different surface tension coefficients between solid-liquid and liquid-gas interfaces.…”
Section: Contact Anglementioning
confidence: 99%
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“…MPM was first introduced into computer graphics by 9 to simulate snow. Due to its excellent physical accuracy and natural support for topology changes, MPM has been extensively applied to simulate various phenomena including sand 21 , lava 22 , viscoelastic/viscoplastic foam 23,24 , cloth 25 , fracture 10,26,11 , magnetized material 27 , multi-species coupling 28,4,3 , even hydrophobicity and hydrophilicity 29 . In order to address the significant numerical dissipation in MPM, affine particle-in-cell (APIC) 30 incorporated a local velocity gradient to preserve the momentum of particles, and Fei et al 31 further improved it with several advection strategies.…”
Section: Materials Point Methodsmentioning
confidence: 99%
“…The solution of large, sparse systems of linear equations is ubiquitous when partial differential equations (PDEs) are discretized to simulate complex natural phenomena such as fluid flow [29], thermodynamics [8], mechanical fracture [36], etc. Discretization often leads to a linear system…”
Section: Introductionmentioning
confidence: 99%