5003 Lectures - Faculty of Engineering and Applied Science

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E5003 - Ship Structures I 174 © C.G. Daley Topic 16: Problems 16.1 The displacement functions of the constant stress triangular element are: u(x,y) = C1 + C2 x + C3 y v(x,y) = C4 + C5 x + C6 y where u represents the x-translation of any point (x,y) and v represents the ytranslation of the point. 16.2 A beam has only one coordinate (x). However, most beam models would allow a point on the beam to rotate as well as translate. So, construct 3 simple displacement functions; u(x), v(x), θ(x), of a ‘beam element’, using the same logic as was used to create the displacement functions of the constant stress triangular element.
E5003 - Ship Structures I 175 © C.G. Daley Topic 17: Hull Girder Shear Stresses Introduction In this Chapter we will • Examine vertical shear in a ship • Describe the idea of shear flow. ~~~~~~~~~~~~~~ Italian Stone Ships are made of steel plate. This means that ships are thin walled shells. Even for the local components such as individual frames the width of a plate is much greater than its thickness;
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5003 Lectures - Faculty of Engineering and Applied Science

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