> I'd like to use the nice dealii framework of parallel computing with > multiple processors using distributed memory, which is illustrated in > step-40. It is clear that we can recover the solution on the processor > owned cells as well as on a layer of ghost cells. My question is whether > dealii has some functionalities to reconstruct the solution on the entire > distributed triangulation, including artificial cells,
The information is of course there, distributed across all processors. But it's not on every single processor, for a simple reason: the framework is designed for the case where no single processor has enough memory to store the entire solution. The existence of artificial cells is one case in point: artificial cells on one processor are not necessarily locally-owned cells on another processor; in general, the global mesh will consist of the children/grand children/... of artificial cells on one processor. If you want to work in a framework where every processor has access to all the information, take a look at steps 17 and 18. All of this aside: If you tell us what you want to do, maybe we can come up with a better solution! Best W. ------------------------------------------------------------------------- Wolfgang Bangerth email: [email protected] www: http://www.math.tamu.edu/~bangerth/ _______________________________________________ dealii mailing list http://poisson.dealii.org/mailman/listinfo/dealii
