> On 5 Dec 2017, at 21:37, Sudhi P V <sudh...@cmail.carleton.ca> wrote: > > Hi, > > I am using 'gmsh' to mesh and partition a domain in to number of parts for > easier and faster analysis. > During this process, I encountered with some -ve partition IDs in the MSH > file. Upon referring to gmsh documentation, it was found to be named as Ghost > Cells. > > I wanted to know the significance of these Ghost cells. Why are they called > so ?
They allow to simplify the communication between adjacent partitions in some parallel codes. The partitioner is in the process of being rewritten from scratch - and ghost cells will not be created by default anymore. Christophe > and the use of representing them like this in any important calculations. > > I am attaching a msh file for your reference. I have meshed a simple square > in four partitions. > > > > Regards, > > Sudhi > <squarepart4>_______________________________________________ > gmsh mailing list > gmsh@onelab.info > http://onelab.info/mailman/listinfo/gmsh -- Prof. Christophe Geuzaine University of Liege, Electrical Engineering and Computer Science http://www.montefiore.ulg.ac.be/~geuzaine Free software: http://gmsh.info | http://getdp.info | http://onelab.info _______________________________________________ gmsh mailing list gmsh@onelab.info http://onelab.info/mailman/listinfo/gmsh
