The Center for Predictive
Engineering and Computational Sciences Center (PECOS) is
located at the University of Texas and is funded by the Department
of Energy under the Predictive Science Academic
Alliance Program. The purpose of the center is to develop the
next generation of advanced computational methods for predictive
simulation of multiscale, multiphysics phenomena, and to apply
these methods to the problem of reentry of vehicles into the
atmosphere. The primary goal of the PECOS project is to
computationally predict whether a space vehicle will survive the
reentry process and to accurately estimate the uncertainty
associated with that prediction.
CLASS is a partner with the University of Texas in PECOS.
Modeling of ablation process is every complex, requiring the
simultaneous solution of hypersonic fluid flow equations, radiation
transport equations, and chemical kinetics equations. Faculty and
student members of CLASS are developing numerical methods for
modeling of the infrared radiation generated in the bow shock at
temperatures on the order of 11,500 degrees Kelvin. This radiation
propagates to the ablation surface where it is absorbed,
contributing to the ablation process.