On 1/18/21 1:29 PM, Animesh Rastogi IIT Gandhinagar wrote:
How should I initialize the "index set" that is required for this function? In
step-17
<https://nam01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.dealii.org%2Fcurrent%2Fdoxygen%2Fdeal.II%2Fstep_17.html&data=04%7C01%7CWolfgang.Bangerth%40colostate.edu%7C2c8127fe83f34bdd8e4308d8bbefc22d%7Cafb58802ff7a4bb1ab21367ff2ecfc8b%7C0%7C0%7C637465985723412724%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=wri%2BF49jx4BqWdoLNTpAT3ZrLf%2FNj69MqkKbc%2FtkUsg%3D&reserved=0>,
it uses the locally_owned_dofs to initialize the index set, however, that
program was for multiple machines which is not the case with me.
If you have only one processor, then the locally_owned_dofs are simply all
DoFs. You can use the same function you use to get the locally_owned_dofs set
on every processor in the parallel context, but an easier way is to call
complete_index_set(dof_handler.n_dofs())
Best
W.
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