Skip to content
Extra Form
Abstract There are many optimization problems in engineering fields, including shipbuilding. To solve such problems, a non-linear optimization program is developed in this study. The developed program consists of two modules; a non-linear optimization library “EzOptimizer” and a pre-compiler “EzPreCompiler” for the library. The “EzOptimizer”, which is written in C++ language, includes a number of optimization algorithms, such as the method of feasible directions (MFD), sequential quadratic programming (SQP), sequential linear programming (SLP), genetic algorithm (GA), multi-objective programming, linear programming, etc. In addition, the “EzOptimizer” includes a method, which is referred to a “hybrid optimization method”, for combining local and global optimization algorithms such that their drawbacks can be overcome, thus permitting the use of the salient features of the two algorithms. The “EzPreCompiler” is a type of interpreter for the “EzOptimizer”. The “EzPreCompiler” supports the keyword recognition method, and converts keywords of an input file into a C++ source file that are required for using the “EzOptimizer”. To evaluate the efficiency of the developed program, it was applied to various optimization problems in shipbuilding and the results show that it is applicable to a wide range of optimization problems.
Publication Date 2007-07-08

Kyu-Yeul Lee, Myung-Il Roh, Ju-Hwan Cha, "Development of a Non-linear Optimization Program and Its Applications to Shipbuilding", Proceedings of the 1st Mongolia-Korea Joint Workshop on CAD/CAM, Ulaanbaatar, Mongolia, pp. 1-5, 2007.07.08-10


List of Articles
번호 분류 제목 Publication Date
90 International Conference Nam-Kug Ku, Ara Jo, Sol Ha, Myung-Il Roh, Kyu-Yeul Lee, "Automatic Generation of Equations of Motion for Multibody System in Discrete Event Simulation Framework", Proceedings of INSODE 2011, Istanbul, Turkey, pp. 55-64, 2011.09.02-04 file 2011-09-02
89 International Conference Myung-Il Roh, Sol Ha, Nam-Kug Ku, Seung-Ho Ham, "Physics-based Simulation for Production and Installation of Ships and Offshore Plants", Proceedings of ICCAS 2015, Bremen, Germany, Vol. 3, pp. 123-130, 2015.09.29-10.01 file 2015-10-01
88 International Conference Myung-Il Roh, Sol Ha, Nam-Kug Ku, Seung-Ho Ham, "Multibody System Dynamics Simulator for Design and Production of Ships and Offshore Plants", Proceedings of the 28th Asian-Pacific TEAM 2014, Istanbul, Turkey, pp. 481-494, 2014.10.13-16 file 2014-10-15
87 International Conference Myung-Il Roh, Seung-Ho Ham, Ki-Su, Kim, Hyewon Lee, Seung-Min Lee, Luman Zhao, "Minimization of Risk in Design, Production, and Installation Process of Ships and Offshore Structures through Simulation", Proceedings of ACDDE 2017, Zhangjiajie, China file 2017-08-26
86 International Conference Myung-Il Roh, Seung-Ho Ham, Ki-Su Kim, Luman Zhao, "Integrated Simulation Based on Multiphysics Analysis, Virtual Reality, and Hardware for Offshore Installation, Operation, and Maintenance", OTC Asia 2016, 2016.03.22-26 file 2016-03-23
85 International Conference Myung-Il Roh, Seong-Ho Seo, Hyun-Kyoung Shin, Nam-Kug Ku, Sol Ha, Ki-Su Kim, "Simplified Model for the Weight Estimation of Floating Offshore Plant Using the Statistical Method", Proceedings of OMAE 2014, San Francisco, USA, pp. 1-8, 2014.06.08-13 file 2014-06-10
84 International Conference Myung-Il Roh, Kyu-Yeul Lee, Seong-Jin Yoo, "An Algorithm for Generating the Hull Structural Analysis Model Using the Seam Information of the Hull Structure", Proceedings of the 2nd PAAMES and AMEC 2006, Jeju, Korea, pp. 399-404, 2006.10.17-20 file 2006-10-17
83 International Conference Myung-Il Roh, Kyu-Yeul Lee, "Generation of Production Information for a Building Block and Simulation of the Block Erection for Computer-Aided Process Planning and Scheduling", Proceedings of IMDC(International Marine Design Conference) 2006, Michigan, USA, pp. 382-395, 2006.05.16-19 file 2006-05-16
82 International Conference Myung-Il Roh, "Simulation Based Engineering for Ship and Offshore Plant", International Ocean Technology Conference & Expo (IOTCE 2015), Qingdao, China, 2015.09.01-03 file 2015-09-02
81 International Conference Myung-Il Roh, "Physics-based Simulation for Design, Production, and Installation of Ships and Offshore Structures", International Symposium on Computational Design and Engineering, Ho Chi Minh, Vietnam, 2017.12.13-16 2017-12-15
Board Pagination Prev 1 2 3 4 5 6 7 8 9 10 ... 14 Next
/ 14

Powered by Xpress Engine / Designed by Sketchbook

sketchbook5, 스케치북5

sketchbook5, 스케치북5

나눔글꼴 설치 안내


이 PC에는 나눔글꼴이 설치되어 있지 않습니다.

이 사이트를 나눔글꼴로 보기 위해서는
나눔글꼴을 설치해야 합니다.

설치 취소