Theory behind two-way FSI coupling

  • Last Post 11 January 2019
chennafea posted this 08 January 2019

Hello ANSYS users,

I seek some information on the coupling algorithm used for two-way FSI simulations in ANSYS. In particular, what is the coupling algorithm used for two-way FSI simulations? For problems with significant added-mass, how are the instabilities arising due to added-mass are resolved? Is there any manual or references where I can access this information?

Any information on these aspects is highly appreciated.

Thanks in advance.


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chennafea posted this 11 January 2019

Hi Raef,

Not exactly. I understand that ANSYS uses some type of loosely-coupled iterative algorithm for resolving fluid-solid coupling in the two-way FSI but I have not found the exact algorithm that is being used. I would appreciate it very much if you can point to the right document.




Raef.Kobeissi posted this 10 January 2019

Hi Chenna,

Did you manage to find what you were looking for?

Raef Kobeissi

kkanade posted this 08 January 2019

please check help manual. 

for accessing online help please check following thread.