Error report
Hello @jeff.dietiker @cgw ! Thank you for answering my previous question.
Recently I’ve been working on a different project, a simulation for an oxidation process (heterogeneous). I’ve set the related parameters for the simulation and been testing the simulation stability out of curiosity. (You can see it in my usr_rates_des.f) Not surprisingly, the simulation stability is dependent on the chemical reaction rate (I suspect the unit is in kmol/s). I found out that the simulation runs without any issue when it’s 1e-8, but when it’s 1e-5 for example, it shows the below error after a certain time:
DEM NITs: 3 Total PIP: 8057
NITs/SEC = 610.4
Fatal Error: Unphysical field variables detected.
I J K
2 2 1 DIF_G(1) = -0.1766E-04 < 0.000
2 2 1 DIF_G(2) = -0.1766E-04 < 0.000
2 2 1 DIF_G(3) = -0.1766E-04 < 0.000
2 2 1 DIF_G(4) = -0.1766E-04 < 0.000
3 2 1 DIF_G(1) = -0.1759E-04 < 0.000
3 2 1 DIF_G(2) = -0.1759E-04 < 0.000
3 2 1 DIF_G(3) = -0.1759E-04 < 0.000
3 2 1 DIF_G(4) = -0.1759E-04 < 0.000
4 2 1 DIF_G(1) = -0.1744E-04 < 0.000
4 2 1 DIF_G(2) = -0.1744E-04 < 0.000
4 2 1 DIF_G(3) = -0.1744E-04 < 0.000
4 2 1 DIF_G(4) = -0.1744E-04 < 0.000
5 2 1 DIF_G(1) = -0.1722E-04 < 0.000
5 2 1 DIF_G(2) = -0.1722E-04 < 0.000
5 2 1 DIF_G(3) = -0.1722E-04 < 0.000
5 2 1 DIF_G(4) = -0.1722E-04 < 0.000
6 2 1 DIF_G(1) = -0.1693E-04 < 0.000
6 2 1 DIF_G(2) = -0.1693E-04 < 0.000
6 2 1 DIF_G(3) = -0.1693E-04 < 0.000
6 2 1 DIF_G(4) = -0.1693E-04 < 0.000
Unphysical field variables detected on one or more processes.
Error termination. Backtrace:
#0 0x7f23df0e5d21 in ???
#1 0x7f23df0e6869 in ???
#2 0x7f23df0e8002 in ???
#3 0x55e4ef173278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7f623854cd21 in ???
#1 0x7f623854d869 in ???
#2 0x7f623854f002 in ???
#3 0x55f80cdfb278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#4 0x55f80cdf9f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#0 0x7fd1ce3c5d21 in ???
#1 0x7fd1ce3c6869 in ???
#2 0x7fd1ce3c8002 in ???
#3 0x565489fe5278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7f3cfe0ffd21 in ???
#1 0x7f3cfe100869 in ???
#2 0x7f3cfe102002 in ???
#3 0x55b1337d5278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7fa710de9d21 in ???
#1 0x7fa710dea869 in ???
#2 0x7fa710dec002 in ???
#3 0x55f8409d3278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7f95077fcd21 in ???
#1 0x7f95077fd869 in ???
#2 0x7f95077ff002 in ???
#3 0x55705b544278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7f6c00cf4d21 in ???
#1 0x7f6c00cf5869 in ???
#2 0x7f6c00cf7002 in ???
#3 0x5644fda75278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#4 0x55e4ef171f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#0 0x7f169d715d21 in ???
#1 0x7f169d716869 in ???
#2 0x7f169d718002 in ???
#3 0x563b90139278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#4 0x563b90137f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#0 0x7f438bbadd21 in ???
#1 0x7f438bbae869 in ???
#2 0x7f438bbb0002 in ???
#3 0x55b9902f1278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#0 0x7f6f2d2c3d21 in ???
#1 0x7f6f2d2c4869 in ???
#2 0x7f6f2d2c6002 in ???
#3 0x55a4b14d5278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#5 0x55f80ce5533e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55f80ce56703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55f80ce0ca0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#4 0x565489fe3f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#4 0x55b1337d3f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#5 0x55b13382f33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55b133830703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#4 0x55f8409d1f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#4 0x55705b542f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#4 0x5644fda73f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#5 0x5644fdacf33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#5 0x55e4ef1cd33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55e4ef1ce703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55e4ef184a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#5 0x563b9019333e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x563b90194703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#4 0x55b9902eff15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#4 0x55a4b14d3f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#5 0x56548a03f33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x56548a040703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55b1337e6a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#5 0x55f840a2d33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55f840a2e703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55f8409e4a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#5 0x55705b59e33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55705b59f703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55705b555a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#6 0x5644fdad0703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x5644fda86a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#7 0x563b9014aa0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#5 0x55b99034b33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55b99034c703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55b990302a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#8 0x55b9902f6840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55b9902f6840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55b9902f6f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55b9902846c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x55f80ce00840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55f80ce00840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55f80ce00f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55f80cd8e6c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#5 0x55a4b152f33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55a4b1530703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55a4b14e6a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#8 0x55a4b14da840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55a4b14da840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55a4b14daf66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55a4b14686c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#0 0x7fde8bd14d21 in ???
#1 0x7fde8bd15869 in ???
#2 0x7fde8bd17002 in ???
#3 0x555a51786278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#4 0x555a51784f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#7 0x565489ff6a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#8 0x565489fea840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x565489fea840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x565489feaf66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x565489f786c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x55b1337da840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55b1337da840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55b1337daf66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55b1337686c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x55f8409d8840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55f8409d8840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55f8409d8f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55f8409666c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x55705b549840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55705b549840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55705b549f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55705b4d76c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x55e4ef178840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55e4ef178840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55e4ef178f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55e4ef1066c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x5644fda7a840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x5644fda7a840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x5644fda7af66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x5644fda086c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#8 0x563b9013e840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x563b9013e840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x563b9013ef66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x563b900cc6c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#5 0x555a517e033e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x555a517e1703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x555a51797a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#8 0x555a5178b840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x555a5178b840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x555a5178bf66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x555a517196c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#0 0x7feb347e9d21 in ???
#1 0x7feb347ea869 in ???
#2 0x7feb347ec002 in ???
#3 0x564b9a759278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#4 0x564b9a757f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#0 0x7f37b0fbcd21 in ???
#1 0x7f37b0fbd869 in ???
#2 0x7f37b0fbf002 in ???
#3 0x556055168278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#5 0x564b9a7b333e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x564b9a7b4703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x564b9a76aa0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#4 0x556055166f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#0 0x7fac9e1dad21 in ???
#1 0x7fac9e1db869 in ???
#2 0x7fac9e1dd002 in ???
#8 0x564b9a75e840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x564b9a75e840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x564b9a75ef66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x564b9a6ec6c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#3 0x5632aa623278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#5 0x5560551c233e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x5560551c3703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#0 0x7f80dc7c5d21 in ???
#1 0x7f80dc7c6869 in ???
#2 0x7f80dc7c8002 in ???
#4 0x5632aa621f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#3 0x55cc4a984278 in __exit_MOD_mfix_exit
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/exit.f:69
#7 0x556055179a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#4 0x55cc4a982f15 in __error_manager_MOD_log_message
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/error_manager_mod.f:277
#8 0x55605516d840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55605516d840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55605516df66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x5560550fb6c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
#5 0x5632aa67d33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x5632aa67e703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x5632aa634a0b in __step_MOD_time_step_init
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#5 0x55cc4a9de33e in __check_data_30_mod_MOD_check_physical_bounds
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:300
#6 0x55cc4a9df703 in __check_data_30_mod_MOD_check_data_30
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/check_data_30.f:49
#7 0x55cc4a995a0b in __step_MOD_time_step_init
#8 0x5632aa628840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x5632aa628840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x5632aa628f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x5632aa5b66c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/time_step.f:106
#8 0x55cc4a989840 in run_fluid
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:182
#9 0x55cc4a989840 in run_mfix_
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:141
#10 0x55cc4a989f66 in mfix
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:297
#11 0x55cc4a9176c2 in main
at /home/jinny/anaconda3/envs/mfix-22.3/share/mfix/src/model/mfix.f:268
--------------------------------------------------------------------------
Primary job terminated normally, but 1 process returned
a non-zero exit code. Per user-direction, the job has been aborted.
--------------------------------------------------------------------------
--------------------------------------------------------------------------
mpirun detected that one or more processes exited with non-zero status, thus causing
the job to be terminated. The first process to do so was:
Oxidation.zip (1.7 MB)
Also, when the reaction rate is 1e-3, the simulation reports segmentation error.
My case file is here:
Question 1) From your experience, what parameters do you think might have influenced this result? It’s shameful but I don’t understand the error message 
Question 2) Do you have any advice on managing simulation stability for CFD-DEM simulations with chemical reactions? What schemes (or, settings) do you usually recommend to prevent such divergence?
Please help me enlighten myself. I really want to do better on this job.
Jinny