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WÄRTSILÄ
Encyclopedia of Marine Technology

Bow slamming

Heavy impact resulting from a vessel forward bottom making sudden contact with the sea surface after having risen on a wave. Similar action results from rapid immersion of the bow in vessels with large flare. The magnitude of slamming is drastically decreased as draft is increased. Draft/Length should exceed 0.045 to permit maintaining a reasonable speed and still avoid severe slamming in a seaway.

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