Re: [deal.II] Solving a system defined up to a constant (stabilized Navier-Stokes pressure definition)

2019-03-07 Thread Wolfgang Bangerth
On 3/7/19 7:45 AM, Bruno Blais wrote: > > However, my GMRES stops very quickly after a certain number of newton > iteration with the following :     AztecOO::Iterate error code -4: GMRES > Hessenberg ill-conditioned This is surprising and suggests that something is wrong with the matrix, not t

[deal.II] deal.II Newsletter #70

2019-03-07 Thread Rene Gassmoeller
Hello everyone! This is deal.II newsletter #70. It automatically reports recently merged features and discussions about the deal.II finite element library. ## Below you find a list of recently proposed or merged features: #7787: add and use type traits for data exchange in matrix-free (propose

[deal.II] Re: deal.ii installation error_through Spack on Ubuntu

2019-03-07 Thread Behrooz Karami
Thanks very much. It worked perfectly! Best, Behrooz On Wednesday, March 6, 2019 at 4:21:42 PM UTC+1, Bruno Turcksin wrote: > > BK, > > On Wednesday, March 6, 2019 at 10:15:10 AM UTC-5, Behrooz Karami wrote: >> >> I was trying to install deal.ii on Ubuntu 18 using Spack. >> But Ubuntu freezes and

Re: [deal.II] Solving a system defined up to a constant (stabilized Navier-Stokes pressure definition)

2019-03-07 Thread Bruno Blais
Dear Wolfgang, Sorry for an additional question. I have tried to implement by myself something similar to what is done in ASPECT (I guess?, it is a bit harder for me to grasp ASPECT concepts because of the introspection and etc.). However, I seem to have failed miserably at one point. My understa