Dear all, I am a graduate student at the Mechanical Eng. Dept. in UC Santa Barbara and I am working with Cartesian grids built on octree data structures. I already have a functional sequential FDM code for solving PNP equations as in ion dynamics for arbitrary geometries. I have the intention of parallelizing my code using PETSc and HYPRE to handle the linear solver part but I need to use a package to handle the parallelization of my grid data structure. Following on the suggestions made in the PETSc mailing-list I decided to consider using either deal II or p4est packages.
So I was wondering if anyone could help me deciding between deal II or p4est for this task. I am aware that it is possible to access both PETSc and p4est through deal II interfaces (I guess HYPRE could also be called through PETSc interface within deal II?) I also know that p4est has a very good scalability up to 200k CPUs (although I may hardly ever go beyond 1024). That being said, I almost only need to use either packages to parallelize my data structure since on each CPU I could still use my sequential functions. I would greatly appreciate if you could help me decide the right way for doing this. Thanks, Mohammad ================================================= Ph.D Candidate, CASL Group <http://engineering.ucsb.edu/~fgibou/> and Squires Group<http://squerver.chemengr.ucsb.edu/Group.html> , Department of Mechanical Engineering, University of California Santa Barabra, Santa Barbara 93106-5070, CA =================================================
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