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In casting steels for offshore construction, manufacturing integral casted structures to prevent fatigue cracks in the stress raisers is superior to using welded structures. Here, mold design and casting analysis were conducted for integral casting steel. The laminar flow of molten metal was analyzed and distributions of hot spots and porosities were studied. A prototype was subsequently produced, and air vents were designed to improve the surface defects caused by the release of gas. A radiographic test revealed no internal defects inside the casted steel. Evaluating the chemical and mechanical properties of specimens sampled from the product revealed that target values were quantitatively satisfied. To assess weldability in consideration of repair welding, the product was machined with grooves and welded, after which the mechanical properties of hardness as well as tensile, impact, and bending strengths were evaluated. No substantive differences were found in the mechanical properties before and after welding.

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기사명 저자명 페이지 원문 목차
Effects of vertical wall and tetrapod weights on wave overtopping in rubble mound breakwaters under irregular wave conditions Sang Kil Park, Asgar Ahadpour Dodaran, Chong Soo Han, Mohammad Ebrahim Meshkati Shahmirzadi pp.947-964

Global hydroelastic model for springing and whipping based on a free-surface CFD code(OpenFOAM) Sopheak Seng, Jørgen Juncher Jensen, Šime Malenica pp.1024-1040

Design of a ship model for hydro-elastic experiments in waves Adolfo Marón, Geert Kapsenberg pp.1130-1147

A comparison study on the deck house shape of high speed planing crafts for air resistance reduction Chung-Hwan Park, Hee-Seung Park, Ho-Yun Jang, Namkyun Im pp.867-875

Whipping-based criterion for the identification of slamming events Daniele Dessi pp.1082-1095

Measuring hull girder deformations on a 9300 TEU containership Jos Koning, Marcus Schiere pp.1111-1129

Sensitivity-based finite element model updating with natural frequencies and zero frequencies for damped beam structures Cheon-Hong Min, Sup Hong, Soo-Yong Park, Dong-Cheon Park pp.904-921

Global hydroelastic analysis of ultra large container ships by improved beam structural model Ivo Senjanović, Nikola Vladimir, Marko Tomić, Neven Hadžić, Šime Malenica pp.1041-1063

Stochastic procedures for extreme wave induced responses in flexible ships Jørgen Juncher Jensen, Ingrid Marie Vincent Andersen, Sopheak Seng pp.1148-1159

A study of the optimum draft of multiple resonance power buoys for maximizing electric power production Hyuck-Min Kweon, Hong-Yeon Cho, II-Hyoung Cho pp.813-825

A parametric study on the use of passive fire protection in FPSO topside module Martin Friebe, Beom-Seon Jang, Yanlin Jim pp.826-839

Field measurement of local ice pressures on the ARAON in the Beaufort Sea Tak-Kee Lee, Jong-Hyun Lee, Heungsub Kim, Chae Whan Rim pp.788-799

An estimation method of full scale performance for pulling type podded propellers Hyoung-Gil Park, Jung-Kyu Choi, Hyoung-Tae Kim pp.965-980

Hydro-structural issues in the design of ultra large container ships Sime Malenica, Quentin Derbanne pp.983-999

A comparison study of water impact and water exit models Alexander Korobkin, Tatyana Khabakhpasheva, Sime Malenica, Yonghwan Kim pp.1182-1196

A numerical study of the second-order wave excitation of ship springing by a higher-order boundary element method Yan-Lin Shao, Odd M. Faltinsen pp.1000-1013

A simple formula for insertion loss prediction of large acoustical enclosures using statistical energy analysis method Hyun-Sil Kim, Jae-Seung Kim, Seong-Hyun Lee, Yun-Ho Seo pp.894-903

Acoustic performance of industrial mufflers with CAE modeling and simulation Soohong Jeon, Daehwan Kim, Chinsuk Hong, Weuibong Jeong pp.935-946

Availability analysis of subsea blowout preventer using Markov model considering demand rate Sunghee Kim, Soyeon Chung, Youngsoon Yang pp.775-787

Comparative study on the resistance performance of an icebreaking cargo vessel according to the variation of waterline angles in pack ice conditions Moon-Chan Kim, Won-Joon Lee, Yong-Jin Shin pp.876-893

Comparison of fully coupled hydroelastic computation and segmented model test results for slamming and whipping loads Jung-Hyun Kim, Yonghwan Kim, Alexander Korobkin pp.1064-1081

Development of low-temperature high-strength integral steel castings for offshore construction by casting process engineering Sang-Sub Lim, Jae-Chul Mun, Tae-Won Kim, Chung-Gil Kang pp.922-934

Experimental investigations of higher-order springing and whipping-WILS project Sa Young Hong, Byoung Wan Kim pp.1160-1181

Numerical procedure for the vibration analysis of arbitrarily constrained stiffened panels with openings Dae Seung Cho, Nikola Vladimir, Tae Muk Choi pp.763-774

Numerical wave interaction with tetrapods breakwater Fabio Dentale, Giovanna Donnarumma, Eugenio Pugliese Carratelli pp.800-812

Oblique water entry of a three dimensional body Scolan Yves-Marie pp.1197-1208

Operation of ULCS : real life Jasna Prpić-Oršić, Joško Parunov, Igor Šikić pp.1014-1023

The measured contribution of whipping and springing on the fatigue and extreme loading of container vessels Gaute Storhaug pp.1096-1110

Underwater image quality enhancement through Rayleigh-stretching and averaging image planes Ahmad Shahrizan Abdul Ghani, Nor Ashidi Mat Isa pp.840-866

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