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VESSEL IMPACT ANALYSIS FOR RISER PROTECTION FRAME AND 9
PROTECTION NET SUPPORTS ON SEMI-SUBMERSIBLE OFFSHORE STRUCTURES
Figure 10. FE model of RPF-01 of CPF Figure 11. FE model of RPF-02 of CPF
Figure 12. FE Model of PN-01 of CPF Figure 13. FE Model of PN-02 of CPF
4.1. Material Properties and Allowable Criteria
The material properties assumed in the present analysis is EW420 and its properties are given
in Table 3.1.
Table 4. Material properties of EW420
Young’s modulus, Poisson’s Density, Yield strength Tensile strength
E, MPa MPa
ratio, Kg/m3 MPa
2,05 105 0,3 7850 380 530
Material nonlinearity i.e. PIECEWISE LINEAR PLASTIC property as defined in the
Sayı 3, 2015 GiDB|DERGi
