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  • Dr. Mahantesh Halappanavar was named new Team Lead of the Analysis and Algorithms group within FCSD’s Advanced Computing, Mathematics, and Data Division’s Data Sciences pillar. He has long been a contributor to the many efforts at PNNL that use algorithmic techniques to solve scientific computing problems. Read more.




  • Analyzing what happens where interfaces mingle is essential toward understanding and controlling fundamental mechanisms in both natural and industrial systems. By considering the reaction front of heterogeneous fluid flows in porous media, whose reaction rates are sharply influenced by compression and diffusion, researchers, including Dr. Alex Tartakovsky, developed a new model for predicting reaction front kinetics in these flows that provides a more complete assessment regarding the effects of many processes—stretching, coalescence, and fluid particle dispersion—on reactive transport dynamics. Read more.



About the Division


PNNL’s ACMD Division focuses on the Science of Computing and creating new computational capabilities to solve problems using extreme-scale simulation and data analytics.

The Advanced Computing, Mathematics & Data (ACMD) Division at Pacific Northwest National Laboratory provides science, technologies, and leadership to solve significant problems of national interest in energy, environment, national security, and fundamental science. Within the ACMD Division, our research is aimed at creating new, state-of-the-art computational capabilities using extreme-scale simulation and petascale data analytics that enable scientific breakthroughs.

We are developing intelligent hardware and software solutions that analyze, store, and share data in ways that enable innovative research, while reducing both cost and time. These research and development activities are giving rise to scientific breakthroughs in high-impact areas, including infrastructures, computing architectures, and advanced analytical techniques.

In addition, ACMD Division offers investigator-initiated and multi-institutional collaborative research, unique scientific instrumentation, and national program leadership to translate the latest discoveries into technologies for the scientific community.

To address a constantly shifting set of opportunities as new areas of inquiry become technically feasible for the first time, ACMDD is cultivating research capabilities in:


Director, Advanced Computing, Mathematics & Data Division

Advanced Computing, Mathematics, and Data

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Seminar Series

Fundamental & Computational Sciences

ACMDD Research

Research highlights

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