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. 2018 Jul 23;2(3):031906. doi: 10.1063/1.5023410

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© 2018 Author(s).

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FIG. 9. — Finite volume method for computing cell-cell friction. Frictional forces between cells in the sheet can be calculated from shear stress within the volume element surrounding the vertex. The procedure to compute the friction force acting on vertex r₁ is described in the text [Eqs. (15)–(28)].