Lorena A. Barba group


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Computational Fluid Dynamics

Algorithms Fluid Mechanics

HIGH-PERFOMANCE COMPUTING

CFD Immersed Boundary Methods

Biomolecular Physics

GPU Computing

Reproducible and replicable CFD: it's harder than you think

Choosing an incorrect boundary condition with IBAMR resulted in spurious blockage of vortices at the outlet. Thanks to the support received in the code users' forum, this and other problems were resolved and we succeeded in replicating previous findings.

Reproducible and replicable CFD: it's harder than you think. Submitted: 13 May 2016. Preprint arXiv:1605.04339 Overview We do our best to accomplish reproducible research and have for years worked to improve our practices to achieve this goal. Barba made a pledge in 2012, the “Reproducibility PI Manifesto,” according to which all our research code is under version... Continue »

Barba group student news

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Barba group students have been awarded fantastic opportunities this year! Tingyu Wang was selected to participate in the International High-Performance Computing Summer School in Slovenia (June 26 to July 1). This will be the seventh instance of this international summer school, a collaboration of the National Science Foundation XSEDE program, the European PRACE program, Calcul Canada and... Continue »

Pi-Yueh Chuang at GTC 2016

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At this year's NVIDIA GPU Technology Conference, PhD student Pi-Yueh Chuang presented the work "Using AmgX to Accelerate PETSc Codes." AmgX is an NVIDIA library that provides sparse linear solvers, smoothers and preconditioners on GPU devices. Pi-Yueh presented his work to couple AmgX with our fluid-flow solver, PetIBM. This code solves the Navier-Stokes equations on Cartesian... Continue »