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对于平板舵的强度校核,用的是ABS的规范.
规范里面
Ib = mean moment of inertia of the rudder, cm4 (in4), considering a width of rudder plating twice the athwartship dimension of the rudder and excluding welded or bolted cover plates for access to pintles, inc.
请教,这句话里的舵叶的惯性矩是应该怎么理解的.
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[ 本帖最后由 Remus 于 2009-7-3 11:08 编辑 ] |
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