As I need the velocity field at river confluence, i will simulate it on fluent. But it does not give sediment transport (bed profile/erosion/deposition).

However if I get the velocity field, I can use it for sediment transportation and can know the new bed profile by writing my own computer code. Again new bed profile will be input for the Fluent simulation and again I will get new velocity filed. And from this new vel field i will agian get new bed profile by my own code. I will keep on doing this.

So how can I couple the fluent software and my own computer code

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