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Flow Description in a Gastroesophageal Reflux Episode


 A numerical simulation is performed on a model of a theoretical gastroesophageal reflux behavior. The process modeled here assumes that the lower esophageal sphincter relaxes and opens, allowing a reflux episode to be initiated by a driving pressure differential in the stomach. At that point the pressure differential is removed and the contents flow back down to the gastric cavity. A typical response of the reflux phenomena is shown.