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The model is built on a modular design and includes a simulation of the main body of the stomach, a region with a specific inhomogeneous mixing behaviour, followed by a unique emptying routine. Digesta from the main body of the stomach 'empties' into a model of the antrum (the lower part of the stomach). Here the digesta is subjected to high shear, forcing mechanical breakdown of the food structure. The final stage of the model is designed to simulate the conditions found in the duodenum (the first section of the small intestines).

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