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Nyamsuren, Purevdorj,Lee, Soo-Hong,Hwang, Hyun-Tae,Kim, Tae-Joo Society for Computational Design and Engineering 2015 Journal of computational design and engineering Vol.2 No.3
Increased competitive challenges are forcing companies to find better ways to bring their applications to market faster. Distributed development environments can help companies improve their time-to-market by enabling parallel activities. Although, such environments still have their limitations in real-time communication and real-time collaboration during the product development process. This paper describes a web-based collaborative framework which has been developed to support the decision making on a 3D design developing process. The paper describes 3D design file for the discussion that contains all relevant annotations on its surface and their visualization on the user interface for design changing. The framework includes a native CAD data converting module, 3D data based real-time communication module, revision control module for 3D data and some sub-modules such as data storage and data management. We also discuss some raised issues in the project and the steps underway to address them.
A Web-Based Revision Control Framework for 3D CAD Model Data
Purevdorj Nyamsuren,이수홍,김성민 한국정밀공학회 2013 International Journal of Precision Engineering and Vol. No.
A calibration of web-based calculating and representing differences between 3D CAD models is an important and challenging task in distributed, collaborative and integrated design areas. Many CAD application developers have improved user interfaces and connectivity supports that enable the incorporation of online information and web applications in a convenient manner. The representing difference involves numbers of steps such as uploading 3D model data file to the STL converting server, calculating their differences and visualizing them on the webpage. This paper describes steps in involved web based revision control system supporting most of CAD native formats. The C#, JavaScript programming language, PHP technique, and MySQL database system have been used to develop the framework and some special technique such as Constructive Solid Geometry (CSG) and WebGL technology have been used in the system. We conclude with a discussion of some of the issues raised by the project and the steps underway to address them.
정보교환 및 의사결정지원을 고려한 웹 기반 협업설계 프레임워크
김성민(Sungmin Kim),Purevdorj Nyamsuren,이수홍(Soo-Hong Lee) (사)한국CDE학회 2013 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2013 No.1
Numbers of industries are executing product designs along with distant located development teams. Since the global manufacturing paradigm is shifting to specialization, the needs for collaborating product designs along with different industries are gradually increasing. The importance of providing sufficient environment for design collaboration is increased simultaneously. This research proposed a web-based design collaboration framework aimed to satisfy industries’ collaboration requirements. The framework is designed to support decision making as well as design collaboration module. Based on modular structure, the framework expandability is considered for further industrial needs. On decision making supporting model, real-time conference room and asynchronous communication features are constructed. Managing design collaboration projects by users are supported as well. This design collaboration module provides engineering design data management by providing engineering revision control and task feature. A Web-GL based 3D viewer visualizes each design files regardless of the file’s part/assembly state.
조원철(Wonchul Cho),김성민(Sungmin Kim),Purevdorj Nyamsuren,손정우(Jungwoo Sohn),이수홍(Soo-Hong Lee) (사)한국CDE학회 2012 한국CDE학회 논문집 Vol.17 No.2
Use of casting simulation software, analyzing the reason for defect became easy. However, to create a practical solution, experienced casting expert’s knowledge is always indispensable. In this study, we develop casting design automation system and the algorithm based on casting expert’s knowledge, so that faster and more accurate design is enabled. Especially, to generate runner which can be shaped in numerous ways, we suggest the ‘nexus’ method to shape runner system.