RESEARCH INTERESTS

Computational Mechanics

Fluid-Structure Interaction (FSI)

Isogeometric Analysis

Multiscale/Stabilized Finite Element Methods

Cardiovascular Mechanics

Turbulence Modeling and Computation

Parallel Computing

CONTACT INFORMATION

E-Mail: yuri@ucsd.edu

Office: SERF 203

Phone: 858-534-3663 (Office),

Fax: 858-534-6373,

Address:

9500 Gilman Drive, Mail Code 0085

La Jolla, CA 92093-0085

Figure 1b. Isogeometric fluid-structure interaction analysis of a 5MW wind turbine rotor at full scale in 3D. Top left - wind rotor blade shell model. Top right - shell thickness disribution from blade root to tip. Bottom - computed aerodynamic torque for the case of a rigid and flexible wind turbine blade. Results are compared with the reported NREL data.

Figure 2. Isogeometric analysis of free-surface flow in 3D using the level set method. Wave pattern produced by the Wigley hull in forward motion. Top - 3D view, waves colored free surface elevation from the design water line (DWL). Middle - 2D view, isocontours of wave elevation. Bottom - comparison of the computed wave profile with the experimental results. 

Sampling of Research Activities

Figure 3. Fluid-structure interaction analysis of a patient-specific Fontan surgery configuration. Top left - vessel wall thickness constructed using the Laplace operator. Top right - streamlines colored by flow speed at peak systole. Bottom - comparison of wall shear stress distribution between the rigid and flexible wall simulations. Rigid wall gives and over-estimation of the WSS compared to the flexible case.

Figure 1a. Isogeometric fluid-structure interaction analysis of a 5MW wind turbine rotor at full scale in 3D. Snapshots of the the spinning rotor superposed on the contours of air speed. Note the rotor blade deformation and the complexity of the turbulent flow.

     Vertical Axis Wind Turbine Simulation in 3D. Left: axial cut view. Right: radial cut view.

     FSI Simulation of a Vertical Axis Wind Turbine in 3D. View from the “camera” that is positioned at the blade tim and rotates with the hub. Relative wind speed contours at an axial cut are shown on a moving domain.