Hello guys,

my self facing same issue, i have to perform cold flow simuation in ICfluent, during solving, As just after 800-900 time steps gets completes it gets automatically closed up. when i saw the reports in windows event viewer i saw similarly fatal error like this,

Faulting application name: fl_mpi1820.exe, version:, time stamp: 0x5977de10

Faulting module name: libudf.dll, version:, time stamp: 0x5d39c318

Exception code: 0xc0000409

Fault offset: 0x0000000000006133

Faulting process id: 0xc50

Faulting application start time: 0x01d542f95913e10a

Faulting application path: C:PROGRA~1ANSYSI~1v182fluentfluent18.2.0win642ddp_nodefl_mpi1820.exe

Faulting module path: pathTest_8libudfwin642ddp_nodelibudf.dll


Report Id: 360e91a5-cdfd-4609-95d0-79dd69528142

iam using gasoline vapour and air as a mixture to create max turbulence inside combustion chamber as a part of my project. iam using ansys 19 R1....
looks like you guys have a solution for this, can you please explain me how to recitfy it. and iam a newbie please give a clear instructions on how to make changes.

Your help is much and much appreciated...

system info: MSI 9SDH 9th gen I7 9750H  16gigs of ram and 1660TI 6gb nvidia gpu. and iam saving the file in c drive in documents

thanks  in advance.