PSI - Issue 48

Nemanja Ilić et al. / Procedia Structural Integrity 48 (2023) 318 – 325 Author name / Structural Integrity Procedia 00 (2019) 000 – 000

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4. Results Summary of ultimate bending moments obtained using PCA and other methods described in previous sections is given in Table 3. The diagram representing results from Table 3 with bending moment - curvature dependency obtained for incrementally subjected curvature is shown in Fig. 5 for: IACS (PCA), Paik – Mansour and first – collapse method. All results are presented in both sagging and hogging condition. Note that calculated cross section moment of inertia is 3.02 m 4 , while the position of the neutral axis above the baseline is 2.37 m.

Fig. 4. Illustration of the Paik – Mansour collapse procedure (sagging)

Fig. 5. Bending moment vs. curvature diagram

Table 3. Ultimate bending moments. Method

Ship in sagging [MNm]

Ship in hogging [MNm]

First-collapse First-yield Paik - Mansour IACS (PCA)

79.4 242.7 235.1 242.2

110.6 300.1 211.8 265.2

PCA acquired ultimate bending moment is reached when the cross section is subjected to approximately 0.6 1/km