Segmentation_fault_after_1021000_steps

[DEEPAK TALAN]

Dear members i am working on three phase flow but after 1021000 steps code dumped.

please help me if anybody have any idea.

I am sharing the screenshot of error message.

[Shyam Sunder Yadav]

Dear DEEPAK

Please post more details so that others will be able to suggest something.

Like the solver you are using, does the segmentation fault occur just once or it occurs again and again exactly at the same time instant etc.

Best wishes

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Dr. Shyam Sunder Yadav
Associate Professor
Mechanical Engineering
BITS Pilani
09902346342
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[DEEPAK TALAN]

Thanks a lot Ajay and Shyam sir for your valuable suggestions.

I am using "navier-stokes/centered.h"

and solving Cahn-Hillard and Allen-Cahn equations for interface tracking.

I changed boundary conditions, re-examine declaration and initialization of scalar and vectors but everytime after exactly 1021000 steps i got same error (core dumped).

I am thinking (probably i am wrong), is there any limit in basilisk for number of steps ? or line num 245 in "events.h"  (assert (n<INT_MAX);   //check that dt is not too small), is this creating any problem. or anything else.

time step is 1e-5.

Your suggestions are valuable.

Thanks & regards