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Lucy Zhang

The IFEM method is a computational approach to solve and analyze complicated fluid-structure interactions. The method is twp-way coupling that is particularly useful in handling interactions between fluid and deformable solid. It captures realistic representation of the fluid and its immersed solid materials.

This project is to use mathematical models to study the functions of the left atrium appendage and analyze the interactions of left atrium appendage with surrounding blood in sinus and irregular rhythms.

The objective in this project is to coordinate with water channel experiments on studying vocal folds dynamics. Our goals are to model fully coupled fluid-structure interactions between the vocal folds and air, specifically examining flow jets, frequency of vibration, and variation of flow when there is unilateral paralysis in the vocal folds.

It is well known that biological fluids, particularly blood, are strongly non-Newtonian. Intensive efforts are ongoing at many labs to model such flows in realistic geometries over a wide range of conditions.  Otherwise very sophisticated CFD models use the Newtonian assumption for biological simulations. The project seeks biofluid models which capture complex constitutive behavior yet are compatible with existing CFD technologies.