river bathymetry https://dlt-acc.firelay.cloud/c/message_boards/find_thread?p_l_id=3231581&threadId=3351851 2026-05-15T15:09:32Z 2026-05-15T15:09:32Z amal magdy https://dlt-acc.firelay.cloud/c/message_boards/find_message?p_l_id=3231581&messageId=3351850 2020-06-30T12:34:29Z 2020-06-30T12:34:29Z

Hi:I am a beginner in delft3d. I try to built river model and I have already built the grid and import the bathymetry in QuicKin. The courant number has negative values. can you tell me what is the peoblem. thank you in advance. 

amal magdy 2020-06-30T12:34:29Z