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part II Ultimate Strength
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                                            - Analy.h  perfect  plate
                                  .i
                                            --- Anatysis  importwt  plate
                                            --    Analysis  fult  plastic
                                  P         --- Anatysis  importwt  plate
                                            -- Expwiment




                                      I





                             Figure 13.20  Ultimate Behavior for the Tanker Model

                  13.6.4  Ultimate Longitudinal Strength of Hull Girders
                  The ultimate longitudinal strength is calculated for a 60 000 dwt double hull, double bottom
                  product tanker. Because of symmetry, only a quarter of the center tank is modeled (see Figure
                  13.22). Boundary conditions are specified in the planes of symmetry.


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                             Figure 13.21  Bondary Condition Model for Ship’s Mid-section
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