code_saturne User's Forum

Hi Yvan, Thank you for your reply. I’m only using g_ii to display the total cell count across the entire domain, and it’s not used in any subsequent code or output, so I don’t think it’s related to the error. I removed this section and kept only a single output file, the same error still occurs. is ...

Hi Yvan, Thanks for your suggestion! I’ve revised the code in parallel way to output cell volume for a specific zone at each time step (the attached code focuses on cell volume; a similar approach would apply to velocity). I’m using cs_parall_allgather_r to gather cell volume data across all ranks a...

Hi team, I need to output velocity data at each time step from the cell centers in my simulation (saved to separate files instead of output through postprocessing folder to avoid large postprocessing results). I've used the attached cs_user_extra_operation.c file to handle this, but the outputs appe...

Hi Yvan, I’ve encountered an issue related to this topic. The mesh cells in the area are 30x50, and I’ve placed 100x100 monitoring points with "activate interpolation" and "one probe per cell" enabled. However, the instantaneous results from the monitoring points appear discontin...

Hi Yvan,

Thanks. I also found this, and it works.

Best regards,
Ximeng

Hi Yvan, Sorry for the bothering. I need to obtain velocity data at each time step for a large number of monitors (104,197 monitors, as shown in the attached file). I tried using the GUI Postprocessing-Monitoring Points-Import from CSV, but it only works for up to 3,000 monitors. When I try to impor...

Hi Yvan, Sorry for the bothering. But there are something wrong in my last post. I have confirmed that the actual delta enthalpy is not 0 between two consecutive time steps. The following are two consecutive time steps outputs in the run_solver.log: time step 1: feedback_term: 0.000000 total_enthalp...

Hi Yvan, Thanks for your reply. One point is that It might not related to the code now. The delta enthalpy might be actually really small (might be 0) between two consecutive time steps (since the temperature condition is just two different constant values for ground and air, no heat emission). So I...

Hi Yvan, Thanks for your prompt feedback! When I add the parallel sums, I obtain expected values for the total volume as shown in the run_solver.log. "feedback_term: 0.000000e+00 total_enthalpy: 1.529331e+02 total_enthalpy_prev: 1.529331e+02 total_volume: 5.237434e-01" The total volume 5.2...

Hi Yvan, Thanks for your feedback. I've made some revisions to the heat sink term code. Please find the latest version attached. The code works but the results are wrong. I use the following two lines (line 30-31) to get the temperature at the current time step and the previous time step. const cs_r...