EFFECT OF TENSION LEG ARRANGEMENT ON DYNAMIC CHARACTERISTICS OF SUBMERGED FLOATING STRUCTURE
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For a type of “perfectly underwater” structures moored by tension legs like Submerged Floating tunnel, dynamic behaviors of the floating body are expected to involve many severe design and computational problems. In addition, motions induced by some external forces like strong waves and earthquakes may be very complex and it is difficult to explain the mechanisms of the behavior accurately. Especially, dynamic characteristics in consideration of elasticity coupling caused by restoring force of tension leg arrangement have not been clear so far. When elasticity coupling can arise, restoring forces of tension legs associated with the rotation show some bad influences on the dynamic behaviors. From this point of view, we focus on the effect of tension leg arrangement on dynamic characteristics of submerged floating structure in this study.