Stern roller design method of anchor handling towing supply vessel
A drum and stern technology, applied in the field of simplified three-purpose work stern drum structure design, can solve problems such as high strength requirements, lack of strength calculation basis of classification society, and structural nonlinearity, so as to reduce working capacity requirements and design time , The effect of controlling the design cost
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[0036] Design the tail drum of a three-purpose tugboat with a bollard drag force of 150 tons, the main parameters, the design load is 350 tons, and the length of the tail drum is 4000mm.
[0037] According to step 1 of the content of the invention, the formula for calculating the thickness of the cylinder shell is as follows,
[0038] t = Q 4 [ σ ] + ( ( Q 2 ) 2 + 0.48 Q 1 [ σ ] ) 0.5 / ( 2 [ σ ] ) ,
[0039] Accord...
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