When use with cylibnder2d olb1.3 ubunut18.04lts mpirun -np8 cylinder2d this works fine
but mpirun -np15 cylinder2d didnt works
and mpirun -np15 cylinder3d works fine
and also : mpirun -np15 cylinder2d works with same computer olb1.2 ubuntu 14.04lts…
Thanks for reporting! We have fixed that minor bug and we will release the fix in the next release. Meanwhile, please run the code only with as much cores as you have physically available in your system!