Learning Forum

[Jacopo Bardiani]

I'm struggling with a CEL analysis in order do simulate an underwater explosion on a boat (see the picture attached). I create the model in an explicit dynamic modulo of ANSYS and then impor it in Autodyn. After the analysis, I need to extract the displacements of the node of the boat (modelled with shell elements). I can't use probe because they are only for eulerian elements.

Is there the possibility to do that in order to apply it in another module of ANSYS?

 

[Erik Kostson]

Hi

If this is to be done properly in order to capture some of the complex physics involved, one could look at this for some inspiration.

https://lsdyna.ansys.com/wp-content/uploads/sites/2/attachments/ls-dyna-applications-in-shipbuilding.pdf

There are many more online resources if you search online (say ls-dyna and undex, or underwater explosions).

All the best

Erik

[Jacopo Bardiani]

Hi Erik, thank you very much for your quick reply! Using Autodyn seems to be the best way because first I need to propagate with 1D wedge the explosion and then do a remap on a 3D model on Autodyn. I can't perform a CEL like in the paper you mentioned because it's too time consuming.

Anyway, I'm gonna try to check other approaches online!

 

Jacopo