선박 건조를 위한 샤프트와 프로펠러 가상 조립 시뮬레이션 방법Shaft & Propeller Virtual Assembling Simulation Method for Shipbuilding
- Other Titles
- Shaft & Propeller Virtual Assembling Simulation Method for Shipbuilding
- Authors
- 박중구; 최두진; 원석희; 윤여운; 권기연
- Issue Date
- Dec-2021
- Publisher
- 한국CDE학회
- Keywords
- Shaft and propeller assembly; Shape recovery; Virtual simulation
- Citation
- 한국CDE학회 논문집, v.26, no.4, pp.494 - 502
- Journal Title
- 한국CDE학회 논문집
- Volume
- 26
- Number
- 4
- Start Page
- 494
- End Page
- 502
- URI
- https://scholarworks.bwise.kr/kumoh/handle/2020.sw.kumoh/20305
- ISSN
- 2508-4003
- Abstract
- The shaft transmits the power of the engine to the propeller in ships, and dimensional accuracy for this is very important. In order to assemble the shaft and propeller, assembling, confirming the contact part, and manual machining are repeatedly performed. In this study, a virtual simulation method for shaft and propeller assembly is proposed. A precise 3D scanner for short-distance measurement is used to measure the shape, and this data is used to determine the contact area for manual machining. Shafts and propellers are precision-machined products and should be able to be discriminated down to tens of micrometers. Therefore, the measured shape consists of a very large number of triangular elements, and is converted into a simple form to reduce the simulation time. The ICP (iterative closest point) method is applied to find the position where the shaft can be fastened to the propeller as much as possible. Weights are given to find the optimal location where penetration does not occur. This proposed method has been tested on several models to demonstrate the feasibility.
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