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Research on the Influence of Vacuum Pipe Blocking Ratio on the Aerodynamic Characteristics of Super High Speed Train
2021 IEEE 24th International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
Based on the three-dimensional viscous, steady, incompressible NS equation and the standard k-ε two-equation turbulence model, this paper establishes a three-dimensional static fluid calculation model for the vacuum pipeline ultra-high-speed train, and the flow field analysis software ANASYS/Fluent was used to simulate the aerodynamic performance of the vacuum piping system under different operati...Show More
Analysis of Temperature Field and Thermal Stress for High Speed Train Brake Disc
2021 IEEE 24th International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2021 | Conference Paper |
The temperature field and thermal stress field of the brake disc in emergency braking of high-speed train are simulated by Finite Element Method. By using the energy equivalent method, the frictional heat during emergency braking processes was applied to the friction surfaces in the form of heat flow density. Considering the influences of air convection and thermal radiation, a comprehensive heat ...Show More
Numerical Analysis on Residual Stress Field of Brake Discs by Ultrasonic Shot Peening
2019 IEEE 23rd International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2019 | Conference Paper |
In order to improve the lifetime of high-speed train brake disc, the ultrasonic shot peening can be used to strengthen surface made of cast steel. According to the principle of ultrasonic shot peening equipment, biased structure FEM models for single pellet and multiple pellets are established based on Johnson-Cook equation. Explicit dynamic analysis of ANSYS / LS-DYNA is used to study effects on ...Show More
Performance Analysis of Flange Seal Assembly for Heat Exchanger
2018 IEEE 22nd International Conference on Computer Supported Cooperative Work in Design ((CSCWD))
Year: 2018 | Conference Paper |
Aiming at the possible medium leakage, the mechanical characteristics of the flange connection seal components of a high-pressure heat exchanger were simulated under different load conditions by Finite Element Method. Firstly, the static strength of the fastening bolts and the sealing gasket in the flange connection seal assembly were analyzed. Then the contact pressure distribution between sealin...Show More
Study on the mechanism of wheel corrugation based on experiment and simulation
2017 IEEE 21st International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2017 | Conference Paper |
Cited by: Papers (2)
The mechanism of wheel corrugation for high speed railway was studied by both experiment and simulation methods. Based on Hertz rolling contact theory, a friction and wear experiment platform for wheel/rail contact was built. The experiments of wheel/rail contact were performed under pure rolling condition. Corrugations of wheel specimen after different rotations were observed and analyzed. On the...Show More
Research on the forming mechanism of ground surface based on multi abrasive grains cutting simulation
2016 IEEE 20th International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
The geometrical characteristics of abrasive grain play an important role in the topography of grinding wheel. Considering the irregular geometry, inconsistent size of abrasive grains and their random distribution on the grinding wheel surface, Irregular polyhedral abrasive grain was modeled by the method of cutting cubic entity with random plane. Firstly, A constraint grid method was proposed to r...Show More
An aximomatic design optimization for suction reed valve component of compressors
2015 IEEE 19th International Conference on Computer Supported Cooperative Work in Design (CSCWD)
Year: 2015 | Conference Paper |
The reed-type valve is a key component of reciprocating compressors affecting the efficiency and reliability of compressors. The convention design of such valve components focused on the study of the individual elements of the system, which loses the opportunity of reaching the global optima. This paper proposes a scientific guide for the system design, based on which the reed valve system was opt...Show More
A Methodology of Knowledge Management Based on Ontology in Collaborative Design
2008 Second International Symposium on Intelligent Information Technology Application
Year: 2008 | Conference Paper |
To have shorter development times and reduced costs, enterprise need a method towards global market for product design. Collaborative design is a method to meet the requirement. In collaborative design, knowledge is exchanged and accessed efficiently through the teams. How to reuse the knowledge of experts is a problem. A methodology for knowledge management in collaborative design is proposed. Fi...Show More
AHP Methodology for Partner Selection in Collaborative Design
2008 International Symposium on Computer Science and Computational Technology
Year: 2008 | Conference Paper |
Cited by: Papers (1)
Collaborative design is a new design style for mechanical manufacture. It can help designers of different places complete the same design project at the same time. It is an important problem to select a suitable partner for the collaborative design project from the partners. A fuzzy analytic hierarchy process (AHP) methodology is presented for the partner selection, which provide a multi-criteria ...Show More
Research and Development of Simulation System for Virtual Grinding
2008 International Symposium on Computer Science and Computational Technology
Year: 2008 | Conference Paper |
Cited by: Papers (3)
Based on virtual reality technology, the paper does some researches and developments for virtual grinding system. A friendly human-computer interaction interface and virtual machining environment are programmed with Visual C++ and OpenGL, and their characters of interaction and immersion are embodied completely. Physical model of virtual grinding wheel and mathematical model of contact between abr...Show More
Partner Selection System for Collaborative Design
2008 International Symposium on Computational Intelligence and Design
Year: 2008 | Conference Paper |
Cited by: Papers (1)
With the development of the global market, the growth internet technology is changing design style. Collaborative design is a new design style for designers of different places to complete the same design project. However, how to select a suitable partner for the collaborative design project is an important problem. A fuzzy Analytic Hierarchy Process (AHP) methodology is presented for the partner ...Show More
Research on Resource Discovery in MAS for Collaborative Design
2008 International Symposium on Computational Intelligence and Design
Year: 2008 | Conference Paper |
Collaborative design is a new technique for mechanical design. Multi-agent system (MAS) can cooperate with others to solve problems by network of software agents. Collaborative design system includes design agent, manage agent, conflict resolution agent and so on. A method based on MAS is present to solve the resource finding among agents. Firstly, the relationship between multi-agent systems and ...Show More
Knowledge Management in Collaborative Design for Manufacture
2008 International Conference on Computer Science and Software Engineering
Year: 2008 | Conference Paper |
With the development of the increasing requirement for the market, the knowledge management is a main part of it. How to increase the ability of the enterprise is an important problem for the designers. A methodology for the knowledge management for the manufacture is proposed to meet the requirement. Firstly, the conception of the knowledge management is introduced, which can assist to acknowledg...Show More
Simulation of Ground Surface Profile Based on Virtual Reality Technology
2008 International Conference on Computer Science and Software Engineering
Year: 2008 | Conference Paper |
Cited by: Papers (2)
Based on virtual reality technology, a friendly human-computer interaction interface and virtual machining environment were programmed by using Visual C++ and OpenGL. Taken sphere as basic shape of abrasive grain and distributed it randomly on the wheel base, then the model of virtual grinding wheel was built. Mathematic model of interference between abrasive grain and workpiece was built. Surface...Show More
A Framework for Knowledge Reuse Based on Ontology in Collaborative Design
2008 First International Conference on Intelligent Networks and Intelligent Systems
Year: 2008 | Conference Paper |
Cited by: Papers (1)
With the development of the increasing requirement of the market, enterprise is facing pressures to increase the quality of their products. To have shorter lead times and reduced costs, there needs a method towards globalization resulting in complex supply chains and the needs to manage teams. Collaborative design is a new style to meet the requirement. In collaborative design, knowledge needs to ...Show More
Modeling on Conflict Resolution of Collaborative Design
2008 4th International Conference on Wireless Communications, Networking and Mobile Computing
Year: 2008 | Conference Paper |
Collaborative design is a new design style for mechanical manufacture, which is an important means in networked manufacture. Designers work at the same time will encounter the conflict, which should be solved. Firstly, the class of conflict is addressed to make a basis for conflict resolution. Then the conflict resolution method is applied. The resolution model is set up. According to the conflict...Show More
Integration of Knowledge Management and Collaborative Design
2008 International Conference on Intelligent Computation Technology and Automation (ICICTA)
Year: 2008 | Conference Paper |
Cited by: Papers (1)
Collaborative design is an important part of the networked manufacture. The development of knowledge interaction and sharing is a main problem for collaborative design. The separation of knowledge management and the design process is a critical problem to be solved. The integration of the knowledge management and collaborative design is present in the paper. Firstly, the concepts of knowledge mana...Show More
Fuzzy Case-Based Reasoning for Conflict Resolution in Collaborative Design
2008 ISECS International Colloquium on Computing, Communication, Control, and Management
Year: 2008 | Conference Paper |
Cited by: Papers (4)
The collaborative design is an important style for modern design. But the conflict appears in the process of design which may interface the design. Case-based reasoning (CBR) is a good method for conflict resolution, which has been applied in the artificial intelligence field successfully. However, due to the uncertainties in knowledge representation, attribute description, and similarity measures...Show More
Integration of the CAD/PDM/ERP System Based on Collaborative Design
2008 ISECS International Colloquium on Computing, Communication, Control, and Management
Year: 2008 | Conference Paper |
Cited by: Papers (7)
The increasing requirement and product complexity need a new design method for the global market. The collaborative design is an important style for the requirement. The CAD system for design is connected with the Product data management (PDM) and enterprise resource planning (ERP) system for management. PDM can support the management of engineering data and the product development. A methodology ...Show More
Study on Simulation System for Turn-Milling Centre Based on VR Technology
2008 ISECS International Colloquium on Computing, Communication, Control, and Management
Year: 2008 | Conference Paper |
Cited by: Papers (2)
A novel 3D simulation system for supporting turn-milling centre design is developed in this paper. In order to solve the shortcomings of using traditional solid model for network-based simulation, the 3D visualization of the model and motion simulation for turn-milling centre is realized by VRML/Java interaction through the external authoring interface (EAI). The virtual environment of the turn-mi...Show More
Finite Element Analysis of Two-Dimensional Metal Cutting Process
2008 3rd International Conference on Innovative Computing Information and Control
Year: 2008 | Conference Paper |
Based on LS-DYNA software, metal cutting processes are dynamically simulated by using 2D r-adaptive method. The mechanisms of plastic deformation and chip formation in metal cutting are analyzed. The influences of tool rake angle and friction factor on cutting deformation are analyzed and deformation extent is measured by plastic deformation energy. According to the distribution of stress and stra...Show More
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