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IJME 304

Paper title:  Numerical Prediction of Slamming Loads During Water Entry of Bow-Flared Sections

 

Authors

Shan Wang, H B, Luo, C Guedes Soares,  Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal

Summary 

The two-dimensional water entry of bow-flared sections is studied by using a Multi-Material Arbitrary Lagrangian-Eulerian (MMALE) formulation and a penalty-coupling algorithm. A convergence study is carried out, considering the effects of mesh size, the dimension of fluids domain, and fluid leakage phenomenon through the structure. The predicted results on the wetted surface of a bow-flared section are compared with published experimental values in terms of vertical slamming force, pressure distributions at different time instances and the pressure histories at different points. Comparisons between the numerical results and measured values show satisfactory correlation. An approximation method is adopted to estimate the sectional slamming force and its results are compared with the numerical values, showing good consistency for the peak forces.

Reference

Transactions RINA, Vol 156, Part A4, International Journal Maritime Engineering, Oct-Dec 2014 

DOI Number

DOI No: 10.3940/rina.ijme.2014.a4.304

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