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September 12 - 18, 2021

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13
Sep

Hybrid Applied Mathematics Seminar

Conference/Seminar

Talk Title: Solving Heat Transfer and Fluid Flow Problems with Reduced Order Models and Neural Networks

Speaker: Dr. Zilong Song Department of Math & Stat, USU

Abstract: The friction stir welding process can be modelled using a system of heat transfer and Navier-Stokes equations with a shear dependent viscosity. Finding numerical solutions of this system of nonlinear partial differential equations over a set of parameter space, however, is extremely time-consuming. Therefore, it is desirable to find a computationally efficient method that can be used to obtain an approximation of the solution with acceptable accuracy. In this talk, we present a reduced basis method for solving the parametrized coupled system of heat and Navier-Stokes equations using a proper orthogonal decomposition (POD). In addition, we apply a machine learning algorithm based on an artificial neural network (ANN) to learn (approximately) the relationship between relevant parameters and the POD coefficients. Our computational experiments demonstrate that substantial speed-up can be achieved while maintaining reasonable accuracy.

10:30 am - 11:30 am | Animal Science |
14
Sep

Biology Speaker Seminar Series: Dr. Anne Murphy

Conference/Seminar

Dr. Anne Murphy from Georgia State University will be presenting "Impact of Age and Sex on Opioid Modulation of Pain" in-person as well as on Zoom. Join the seminar in-person in LSB 207 or on Zoom: https://usu-edu.zoom.us/j/83955459503?pwd=bXhoNCtLb1UzTy9zcEV1V3ByUzZodz09

3:30 pm - 4:30 pm | Life Sciences Building |
17
Sep

Kevin Moon's Science Unwrapped Talk

Conference/Seminar | Science Unwrapped

Seeing Science: Using machine learning to visualize data.

7:00 pm - 8:00 pm | Eccles Science Learning Center Auditorium |
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