Assuming contents to be purely liquid is a common sin committed by modern computational models of the stomach. In our new publication, we present the first of its kind model that incorporates large solid food particles. Read if interested in how our stomach breaks down large solid food particles:
Sharun Kuhar, Jung Hee Seo, and Rajat Mittal. “In silico study of the dynamics of solid food particles in the stomach during gastric digestion.” Journal of the Royal Society Interface 22.229 (2025): 20250291. https://doi.org/10.1098/rsif.2025.0291