Diffuse interface model for cell interaction and aggregation with Lennard-Jones type potential

Lingyue Shen

doi:10.1016/j.cma.2023.116257

Diffuse interface model for cell interaction and aggregation with Lennard-Jones type potential

2023-10-01

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DOI：10.1016/j.cma.2023.116257

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This study introduces a phase-field model designed to simulate the interaction and aggregation of multicellular systems under flow conditions within a bounded spatial domain. The model incorporates a multi-dimensional Lennard-Jones potential to account for short-range repulsion and adhesive bonding between cells. To solve the governing equations while preserving energy law, a second-order accurate C0 finite element method is employed. The validity of the model is established through numerical tests, and experimental data from cell stretch tests is utilized for model calibration and validation. Additionally, the study investigates the impact of varying adhesion properties in red blood cells. Overall, this work presents a thermodynamically consistent and computationally efficient framework for simulating cell-cell and cell-wall interactions under flow conditions. & COPY; 2023 Elsevier B.V. All rights reserved.

Keywords:

Cell interaction

Aggregation

Energy-law preserving scheme

Diffuse interface model for cell interaction and aggregation with Lennard-Jones type potential

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