code_saturne User's Forum

Hello, In v7 or earlier versions, the simplest way is to create your surface in the mesh, then you can post-process the force using for example the "cs_user_extra_operations.f90" routine. If you want the total x-force on the surface, for example, you simply have to write something as: ! ge...

Hello Yvan, I have realized some further testing on my memory leak issue. I recall that I originally posted a problem of continuously decreasing free RAM memory, that eventually leads the simulation crash because of zero available RAM. I use v7. I added a "export CS_MEM_LOG="mem.log" ...

Hello Yvan,

After double checking, the routine actually works correctly, sorry for the useless loss of time.

Thank you for your help.
Best regards,
Daniele

Hello, I simple question, can I use: call getfbr('INLET', nlelt, lstelt) do ilelt = 1, nlelt ifac = lstelt(ilelt) rcodcl(ifac,iu,1) = 0.5d0 rcodcl(ifac,iv,1) = 0.d0 rcodcl(ifac,iw,1) = 0.d0 rcodcl(ifac,ik,1) = 0.5d0 rcodcl(ifac,iomg,1) = 10000.d0 enddo (values prescribed just as an example) inside c...

Hello, I found this topic which remained unanswered and would like to ask the same question. Since second order time scheme is available in CS for LES, is there a way to tell the code to use this time scheme in RANS mode, only for the momentum equations, keeping first order for k and epsilon/omega? ...

Hello Yvan,

Thank you very much for seeing so quickly the issue... the problems does seem to come from the allocation of y_v_parall, increasing its size solves the problem.
Thank you also for the suggestion and for the updates about v8.

Kind regards,
Daniele

Hello,

I add that the issue seems to come from "cs_parall_allgather_r()", since commenting this line prevents the problem, and printing "k_par" after the "call parcpt(k_par)" shows the correct result.

Thank you.
Kind regards,
Daniele

Hello, I am facing issues in making a user routine working correctly, when parallelized. The specific "code" is written inside the routine "cs_boundary_conditions_ale.f90" (subroutine usalcl), in v7. The routine loops on the faces of one boundary surface, and stores the position ...

Hello Yvan, I run on supermicro nodes, Intel(R) Xeon(R) CPU E5-2660 v3 @ 2.60GHz. For the Infinite Band, the ofed version used is MLNX_OFED_LINUX-5.2-1.0.4.0. The operative system is Centos7.9. It is exactly as you say: the problem appears only for long runs where the first checkpoint is saved after...

Hello, I am using version 7.2.0 and observing a problem never faced before. The simulation gets stuck once CS has to write either a checkpoint or a postprocessing periodic output. There is no error appearing, the job continues running, but practically it is stuck in the writing process forever... I ...