5003 Lectures - Faculty of Engineering and Applied Science
5003 Lectures - Faculty of Engineering and Applied Science
5003 Lectures - Faculty of Engineering and Applied Science
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E<strong>5003</strong> - Ship Structures I 11<br />
© C.G. Daley<br />
Topic 1: Problems<br />
In this course we will examine the structural<br />
response to quasi-static loads. The hull girder is<br />
sized to resist the combination <strong>of</strong> self weights <strong>and</strong><br />
wave forces.<br />
1.1 Longitudinal strength is a primary concern during the design <strong>of</strong> a ship. Describe the<br />
steps in the ship design process (in general terms) that must occur prior to consideration <strong>of</strong><br />
the longitudinal strength.<br />
1.2 What is the difference between “low frequency dynamic” <strong>and</strong> “high frequency dynamic”<br />
loads? Give examples.<br />
1.3 Describe the types <strong>of</strong> loads that you would be concerned with during the launch <strong>of</strong> a<br />
vessel on a slipway.<br />
1.4 Loads on ships<br />
The following is a table <strong>of</strong> load types. Identify each load as static, quasi-static, dynamic or<br />
transient. Place a check mark to indicate which categories apply to each load type. If<br />
more than one type applies, explain why in the comments column.<br />
LOAD<br />
Dry cargo<br />
Liquid cargo<br />
Engine<br />
Propeller<br />
Ice<br />
Waves<br />
Other: ______<br />
Other:______<br />
static quasistatic<br />
dynamic transient comments<br />
1.5 In preliminary design, when can the preliminary structural calculations be made?<br />
1.6 List 5 purposes <strong>of</strong> structure in a ship.<br />
1.7 When is a load considered to be quasi-static?
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