Stress-Strain Distribution in the Human Stomach

Akhmadeev, Nariman; Miftahof, Roustem N.

doi:10.2495/978-1-84564-572-4/01

Cited by 2 publications

(2 citation statements)

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“…One of the primary functions of the stomach is storage of ingested food until it is further processed in the intestine. Gastric volume between the fasted and postprandial state can change by a factor of 60 by unfolding and stretching (by up to ∼160%[]) of the gastric wall. The mechanics of gastrointestinal tissue is much less explored than the one of cardiovascular tissue.…”

Section: Anatomy and Physiology Of The Human Stomachmentioning

confidence: 99%

“…The two only coupled electromechanical models of the stomach proposed so far still do not yet incorporate fluid mechanics and thus the important effect of fluid‐structure interactions on wall deformation. Combining gastric electrophysiology, fluid mechanics and solid mechanics within a coupled multiphysics model of the whole stomach remains one of the greatest challenges in the field and can be hoped to pave the way to significant insights into gastric mechanics and motility in health and disease.…”

Section: Mathematical and Computational Modelingmentioning

confidence: 99%

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Mechanics of the stomach: A review of an emerging field of biomechanics

et al. 2019

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Mathematical and computational modeling of the stomach is an emerging field of biomechanics where several complex phenomena, such as gastric electrophysiology, fluid mechanics of the digesta, and solid mechanics of the gastric wall, need to be addressed. Developing a comprehensive multiphysics model of the stomach that allows studying the interactions between these phenomena remains one of the greatest challenges in biomechanics. A coupled multiphysics model of the human stomach would enable detailed in‐silico studies of the digestion of food in the stomach in health and disease. Moreover, it has the potential to open up unprecedented opportunities in numerous fields such as computer‐aided medicine and food design. This review article summarizes our current understanding of the mechanics of the human stomach and delineates the challenges in mathematical and computational modeling which remain to be addressed in this emerging area.

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Section: Anatomy and Physiology Of The Human Stomachmentioning

confidence: 99%

Section: Mathematical and Computational Modelingmentioning

confidence: 99%