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Press Release 11-203
Stampede Charges Computational Science Forward in Tackling Complex Societal Challenges

New resource will bolster the computational capacity NSF can provide to the open science community

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High-fidelity modeling of the propagation of seismic waves through the earth.

Advanced computing enable high-fidelity modeling of the propagation of seismic waves through the earth, which will help provide a better understanding of the structure of earth's interior, and will help improve assessments of seismic hazard. Solving the seismic wave propagation equations to frequencies of interest taxes existing supercomputers. Stampede provides the computational resources needed to incorporate earthquake observations into improved earth models through inverse theory.

Credit: Carsten Burstedde, Omar Ghattas, James R. Martin, Georg Stadler, Lucas C. Wilcox, ICES, The University of Texas at Austin. Visualization by Gregory D. Abram, Texas Advanced Computing Center.


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Mutations in amino acids in the CA domain change the Gag structure in the immature virion.

Advanced computation sheds light on HIV's behavior, opening up new research directions to battle this global disease. Key mutations in specific amino acids in the CA domain change the Gag structure in the immature virion, perhaps altering the HIV-1 maturation pathway. The domains with the highest degree of structure are shown with yellow dots.

Credit: Gregory A. Voth, University of Chicago


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