Even if one could somehow explain away the thermal issue, I don’t see how the Ark could survive such a catastrophic event. It would not be as if the flood waters arose and gently lifted up the Ark, the way a toy boat would gently float if an empty swimming pool was slowly filled. Anything violent enough to quickly move the continents like that would destroy any ship, as I noted earlier. And the continental drift that we do observe happens through a very different mechanism than what I understand YEC to claim.