Selecting Experiments for Uncertainty Quantification and Design Optimization of Aircraft
TITLE:
Selecting Experiments for Uncertainty Quantification and Design Optimization of Aircraft
DATE:
Friday, May 9th, 2014
TIME:
3:30 PM
LOCATION:
GMCS 214
SPEAKER:
Dr. Diane Villanueva. Research Engineer, Universal Technology Corporation
ABSTRACT:
The design of hypersonic air vehicles involves a complex interaction of physics, which at this point is not yet well understood. Unlike in traditional aircraft design, the cost of prototype building and testing for hypersonic vehicles is unacceptably large, so there is a greater dependency on computational models. However, the prohibitive computational cost of high-fidelity, coupled, aerothermoelastic simulation and the inability to fully duplicate these combined flight loads through ground tests poses a significant challenge for assuring the needed confidence in model predictions. This talk will cover some of the key motivations and features of a robust uncertainty quantification framework, including Bayesian model calibration and optimal experimental design for these experiments. Additionally, it covers a methodology to trade-off structural mass and the effect of future tests and redesign in reliability based design optimization once such a framework is in place.
HOST:
Dr. Satchi Venkataraman
DOWNLOAD: