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A Deep Draught Floater (DDF) or Spar type platform is
categorised as having a relatively large draught when compared
to ship shaped, semi-submersible or TLP type units. This
large draught is mainly introduced to obtain sufficiently high
“Eigen period” in heave and reduced wave excitation in heave
such that resonant responses in heave can be omitted or mini |
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发表于 2010-2-2 19:42
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