open TELEMAC-MASCARET The mathematically superior suite of solvers

Hello everybody,

I was just wondering if the number of drogues is restricted in Telemac 2d/3d. Can we perform, for instance, a computation for more than 500000 drogues ?

Thanks in advance for your response.

Best wishes,

Nicolas.

Hello,

Hum, the drogues are treated by the module streamline which can deal with millions of points so I see no problem ahead, however it has never been done, so have a try and see what happens... it could be that we use arrays dimensioned with the number of points in the mesh and that the number of drogues cannot be larger.

With best regards,

Jean-Michel Hervouet

Hello Jean-Michel,

Thank you very much for your response. The number of drogues appears to be restricted whereas I do not quantify exactly this limitation. For the time being, the computation appears to work for a series of 2500 drogues released in a computational mesh of 20000 nodes. I have thus to quantify this limitation more precisely...

Best wishes,

Nicolas.

Hello Nicolas,

It depends whether you are in parallel or not. The size of buffers is based on the number of points in the domain, or in the subdomain. For example with 20000 nodes in the original mesh and 10 processors, you would have problems to release 2500 drogues in the same sub-domain.

With best regards,

Jean-Michel Hervouet

Hello Jean-Michel,

Indeed, this is the case, that's why I am running simulations in sequential mode. But this is not really a problem regarding my application. The streamline module still appears very effective for my simulations. Thank you for your answer.

Best wishes,

Nicolas.