Omar Ghattas

Professor, Department of Mechanical Engineering
Dr. Omar Ghattas is a Professor of Geological Sciences and Mechanical Engineering at the University of Texas at Austin. He is also the Director of the Center for Computational Geosciences and Optimization in the Oden Institute for Computational Engineering and Sciences and holds the John A. and Katherine G. Jackson Chair in Computational Geosciences. He is a member of the faculty in the Computational Science, Engineering, and Mathematics (CSEM) interdisciplinary PhD program in ICES, and holds courtesy appointments in Computer Science and Biomedical Engineering. He has general research interests in forward and inverse modeling, optimization, and uncertainty quantification of large-scale complex mechanical, geological, and biological systems. With collaborators, he received the ACM Gordon Bell Prize in 2003 (for Special Achievement) and again in 2015 (for Scalability), and was a finalist for the 2008, 2010, and 2012 Bell Prizes. He received the 2019 SIAM Computational Science & Engineering Best Paper Prize, and the 2019 SIAM Geosciences Career Prize. He is a Fellow of the Society for Industrial and Applied Mathematics (SIAM).

Research

Research Labs & Affiliations: 

Center for Computational Geosciences, Institute for Computational Engineering and Sciences (ICES)

Select Publications

Peng Chen, Umberto Villa, Omar Ghattas. May 15, 2019. Taylor approximation and variance reduction for PDE-constrained optimal control under uncertainty. Academic Press.
Peng Chen, Omar Ghattas. March 13, 2019. Sparse polynomial approximation for optimal control problems constrained by elliptic PDEs with lognormal random coefficients.
Peng Chen, Keyi Wu, Joshua Chen, Thomas O'Leary-Roseberry, Omar Ghattas. January 24, 2019. Projected Stein Variational Newton: A Fast and Scalable Bayesian Inference Method in High Dimensions.
A Alghamdi, MA Hesse, J Chen, O Ghattas. December 2018. Bayesian inversion of heterogeneous aquifer properties from GPS andInSAR data using poroelastic subsurface models.
Peng Chen, Umberto Villa, Omar Ghattas. December 17, 2018. Taylor approximation for PDE‐constrained optimization under uncertainty: Application to turbulent jet flow.

Awards & Honors

2015 - ACM Gordon Bell Prize
2014 - Best Poster Award, IEEE/ACM
2014 - SIAM Fellow
2012 - Joseph C. Walter Excellence Award
2012 - CM Gordon Bell Prize Finalist
2012 - Best Visualization Award, XSEDE Conference
2010 - ACM Gordon Bell Prize Finalist
2009 - Best Poster Award, SC
2008 - ACM Gordon Bell Prize Finalist
2008 - TeraGrid Capability Computing Challenge Award