Delft3D stack overflow error https://dlt-acc.firelay.cloud/c/message_boards/find_thread?p_l_id=3231581&threadId=5936969 2026-05-15T21:45:14Z 2026-05-15T21:45:14Z Lee Eddington https://dlt-acc.firelay.cloud/c/message_boards/find_message?p_l_id=3231581&messageId=5936968 2023-06-26T18:56:18Z 2023-06-26T18:56:18Z

Hi,<br /><br />I&#39;m new to Delft3D and am running the Wave module and getting a stack overflow error:<br /><br />.<br />.<br />.<br />​​​​​​​<br />+SWAN is processing output request    1<br />        1 file(s) copied.<br /><br />C:\D3D\Southern California&gt;rem exit <br /><br />&gt;&gt;...End of SWAN run<br />*** ERROR: file &#39;norm_end&#39; expected to signal a correct SWAN calculation<br /><br />forrtl: severe (170): Program Exception - stack overflow<br />Image              PC                Routine            Line        Source             <br />swan_4072ABCDE_de  00000001401D7D87  Unknown               Unknown  Unknown<br />swan_4072ABCDE_de  00000001400D00AE  SWOEXF                   4403  swanout1.for<br />swan_4072ABCDE_de  00000001400C068C  SWOUTP                    383  swanout1.for<br />swan_4072ABCDE_de  000000014002CE1A  SWMAIN                    598  swanmain.for<br />swan_4072ABCDE_de  000000014002B764  MAIN__                    110  swanmain.for<br />swan_4072ABCDE_de  00000001401D4FBC  Unknown               Unknown  Unknown<br />swan_4072ABCDE_de  00000001401B2AE5  Unknown               Unknown  Unknown<br />KERNEL32.DLL       00007FFD0AC47614  Unknown               Unknown  Unknown<br />ntdll.dll          00007FFD0B7226F1  Unknown               Unknown  Unknown<br /><br />I&#39;m running  on:<br /><br />Windows 10 Enterprise<br />Delft3D 4.03.01<br />Delft3D-WAVE Version 3.05.04.7545M, Sep 13 2017, 20:57:19<br /><br />It appears the model runs through the wave computations okay, but crashes when it&#39;s trying to do the output:<br /><br /> use of rescaling in 100.00 % of wet points with maximum in spectral space =  247<br /> accuracy OK in  99.86 % of wet grid points ( 98.00 % required)<br /><br /> ++ trace subr: HSOBND<br /> ++ trace subr: SWOUTP<br />+SWAN is processing output request    1<br /> ++ trace subr: SWORDC<br /> ++ trace subr: SWODDC<br /> ++ trace subr: SWOEXC<br /> ++ trace subr: EVALF<br /> ++ trace subr: EVALF<br /> ++ trace subr: SWOBSTO<br /> ++ trace subr: SWOEXD<br /> ++ trace subr: SWIPOL<br /> ++ trace subr: SWIPOL<br /> ++ trace subr: SWOEXA<br /> ++ trace subr: SWOINA<br /> ++ trace subr: ANGDEG<br /> ++ trace subr: SWOINA<br /> ++ trace subr: ANGDEG<br />        1 file(s) copied.<br />        1 file(s) copied.<br /><br />My domain is pretty large with:<br /><br /> Gridresolution       : MXC             465 MYC           1126<br />                      : MCGRD        407901<br /><br />I watched the system memory usage as it runs and it&#39;s &lt; 15%.  CPU usage is 100% during the iterations, but it drops down to ~5% when it crashes processing the output request.<br /><br />I derefined the grid to:<br /><br /> Gridresolution       : MXC             233 MYC            563<br />                      : MCGRD        102115<br /><br />and it runs fine.<br /><br />Any help would be greatly appreciated.

Lee Eddington 2023-06-26T18:56:18Z