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2篇 您的检索式:作者名="HS Udaykumar"
    题名 作者 年代 出处 被引量
1Mechanics of flow and mixing at antroduodenal junction显示文摘The morphology of tissue structures composing the pyloric orifice is thought to play a role in effectively mixing aqueous gastric effluent with duodenal secretions. To understand the physical mechanisms leading to efficient digestion requires computational models that allow for analyses of the contributions of individual structural components. Thus, we have simulated 2-D channel flows through representative models of the duodenum with moving boundary capabilities in order to quantitatively assess the importance of notable features. A well-tested flow solver was used to computationally isolate and compare geometric and kinematic parameters that lead to various characteristics of fluid motion at the antroduodenal junction. Scalar variance measurement was incorporated to quantify the mixing effectiveness of each component. It was found that the asymmetric geometry of the pyloric orifice in concert with intermittent gastric outflow and luminal constriction is likely to enhance homogenization of gastric effluent with duodenal secretions.Seth Dillard Sreedevi Krishnan HS Udaykumar 2007World Journal of Gastroenterology2007,13,9:2
2Numerical analysis of the deformation of an adherent drop under shear flow 显示文摘Kan HC Udaykumar HS Shyy W 1999Journal of Biomedical Engineering1999,121,2:1
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