Non-uniform force allocation for area preservation in spring network models

TL;DR

This paper introduces a novel non-uniform force allocation method for area preservation in spring network models, improving shape regularization of triangulations in elastic object simulations.

Contribution

It proposes a shape-aware proportional force distribution for area preservation, enhancing the realism and stability of elastic object models.

Findings

Improved shape regularization of triangulations.

Enhanced stability in elastic object simulations.

Better preservation of individual triangle shapes.

Abstract

In modelling of elastic objects in a flow such as red blood cells, white blood cells, or tumour cells, several elastic moduli are involved. One of them is the area conservation modulus. In this paper, we focus on spring network models and we introduce a new way of modeling the area preservation modulus. We take into account the current shape of the individual triangles and find the proportional allocation of area conservation forces, which would for individual triangles preserve their shapes. The analysis shows that this approach tends to regularize the triangulation. We demonstrate this effect on individual triangles as well as on the complete triangulations.