On Tue, Apr 12, 2022 at 11:20 AM Ce Qin <[email protected]> wrote: > I am sorry for the unclear description. > > By hierarchical, I mean that each cell in the coarse mesh marked for > refinement is subdivided into several small cells. > For example, the mesh refined by the SBR method is hierarchical. >
Even here you do not get edge-nested meshes. Matt > Best regards, > Ce > > > > Matthew Knepley <[email protected]> 于2022年4月12日周二 18:47写道： > >> On Tue, Apr 12, 2022 at 2:10 AM Ce Qin <[email protected]> wrote: >> >>> Thanks for your reply, Matthew. >>> >>> One more question, I want to get a hierarchical mesh after mesh >>> adaptation, so does the adaptation method implemented in ParMMG support >>> this feature? >>> >> >> What exactly does that mean? >> >> Thanks, >> >> Matt >> >> >>> Best regards, >>> Ce >>> >>> Matthew Knepley <[email protected]> 于2022年4月11日周一 21:17写道： >>> >>>> On Fri, Apr 1, 2022 at 10:14 AM Ce Qin <[email protected]> wrote: >>>> >>>>> Dear all, >>>>> >>>>> I want to implement the adaptive finite element method using the >>>>> DMPlex interface. So I would like to know whether DMPlex supports local >>>>> (also hierarchical) refinements of tetrahedron elements. I found that >>>>> there >>>>> is an adaptation method called SBR, but it seems that it only supports >>>>> triangle elements. >>>>> >>>> >>>> Sorry this took me a while. >>>> >>>> You are right, I have not implemented the 3D version yet. It is >>>> straightforward, but in the paper there are 96 cases. I would like >>>> to automatically generate that, but I need to figure out how that would >>>> go. Right now all the adaptation requests have been for >>>> 2D, or used ParMMG which works in 3D for PETSc right now. >>>> >>>> Thanks, >>>> >>>> Matt >>>> >>>> >>>>> Best regards, >>>>> Ce >>>>> >>>> >>>> >>>> -- >>>> What most experimenters take for granted before they begin their >>>> experiments is infinitely more interesting than any results to which their >>>> experiments lead. >>>> -- Norbert Wiener >>>> >>>> https://www.cse.buffalo.edu/~knepley/ >>>> <http://www.cse.buffalo.edu/~knepley/> >>>> >>> >> >> -- >> What most experimenters take for granted before they begin their >> experiments is infinitely more interesting than any results to which their >> experiments lead. >> -- Norbert Wiener >> >> https://www.cse.buffalo.edu/~knepley/ >> <http://www.cse.buffalo.edu/~knepley/> >> > -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener https://www.cse.buffalo.edu/~knepley/ <http://www.cse.buffalo.edu/~knepley/>
