Control of design data in the integrated ship design system

1974 ◽  
Author(s):  
Peter R. Bono
Keyword(s):  
Ship Design ◽  
Design System ◽  
Design Data

Computer Representation of Numerical Expertise for Preliminary Ship Design

1989 ◽  
Vol 26 (04) ◽  
pp. 289-302
Author(s):  
A. H. B. Duffy ◽  
K. J. MacCallum
Keyword(s):  
Experimental System ◽  
Ship Design ◽  
Design Model ◽  
Design System ◽  
Early Stages ◽  
Worked Example ◽  
Preliminary Ship Design ◽  
Numerical Design ◽  
Computer Representation ◽  
Computer Based

In the early stages of ship design a considerable amount of experience and knowledge is used to build and evaluate empirical models with known design relationships. However, computer-based systems which aim to assist this stage have tended to concentrate on the analytical aspects of the process and have not been successful in integrating with this expertise and benefitting from it. This paper presents some of the results of a program of research into methods and representing knowledge of empirical numerical relationships used in these early stages of the design process. The work is based on an experimental system, DESIGNER, described in earlier papers. The DESIGNER system is used to carry out a series of evaluations of design sessions, using a warship design model. By examining the progress toward a set of design goals and the classes of interactions used, an improved understanding of the requirements of an interactive numerical design system is developed. As a consequence, methods have been developed to handle approximate values and relationships, to include design margins, and to represent explicitly in the system the definition and use of goals, or design requirements. Using a design model representing a bulk carrier, the paper then presents a worked example to illustrate the use of the new numerical knowledge techniques. It is concluded that the techniques could make a useful contribution to any interactive numerical design system which aims to provide improved use of expertise.

CADANGAN PROTOTAIP SISTEM PENGURUSAN MAKLUMAT LADANG BAGI PETANI KECIL DI MALAYSIA

2016 ◽  
Vol 78 (8) ◽  
Author(s):  
Mohd Shahrul Nizam Mohd Danuri ◽  
Mohd Sazili Shahibi ◽  
Rohizah Abd Rahman
Keyword(s):  
Information System ◽  
Software Development ◽  
Web Application ◽  
Smallholder Farmers ◽  
Extraction Process ◽  
Design System ◽  
Application Development ◽  
Design Data ◽  
Information System Research ◽  
Development Tool

This paper introduces the process of developing web application of farm management information system (FMIS) for smallholder farmers in Malaysia by using rapid application development (RAD) prototyping methodology in information system research design. FMIS is important ICT solution to assist smallholder farmer to be more competitive in agriculture. The web application requirement determined through extraction process using physical data-driven design system from Malaysia Good Agriculture Practise (MyGAP) physical forms. Additionally, the functions and features of the system were determined through several questionnaires which were distributed to 209 smallholder farmers located in Taman Kekal Pengeluaran Makanan (TKPM) in Selangor. Selangor agricultural area together with smallholders farmers were chosen as respondents because Selangor is the highest internet penetration state in Malaysia. Subsequently, the design and analysis of FMIS are constructed by us including the database design, data flow design, system flow design and software development which was validated by two other experienced system analysts. The software development process were using PHP web development tool called Scriptcase version 8 which were taking less than 2 months to be completed. Furthermore, we also made a comparative study of an existing system available in the market to give additional competitive value to the new development of FMIS in Malaysia. The final developed FMIS is accessible through the official MyAgris website. 

Features and Constraints in Architectural Design

1998 ◽  
Author(s):  
Bauke De Vries ◽  
Joran Jessurun
Keyword(s):  
Data Storage ◽  
Architectural Design ◽  
Feature Modeling ◽  
Design System ◽  
Design Data ◽  
Main Technique ◽  
Geometrical Constraints ◽  
Data Base Management System ◽  
Bounding Boxes ◽  
Building Elements

Abstract The concepts of the experimental design system that are discussed are feature modeling and geometrical constraints. The main technique for creating the user environment is Virtual Reality. Feature modeling forms the basis for managing the design data. To start with, data storage is implemented in a Relational Data Base Management System. Along with this a (traditional) interface is developed for managing the data. Data management consists of feature type creation and feature type instancing. Features are used to define building elements, their relationships and additional constraints. Apart from the design data, geometrical data are stored. The system contains a library of parameterized geometrical objects which format is in coherence with the geometrical modeling environment (VR). Possible design solutions can be limited using geometrical constraints. Specifying connection types between building elements result in a set of solutions for the position of the bounding boxes of the building elements in space.

Research and Application on Visual Aided Cable Design System

2017 ◽  
Author(s):  
Zhang Ying ◽  
Yu Xiao
Keyword(s):  
Power Plant ◽  
Nuclear Power ◽  
Power Plants ◽  
3D Visualization ◽  
Design System ◽  
Plant Design ◽  
Design Data ◽  
Design Work ◽  
Engineering Research ◽  
Cable Laying

Nuclear power plants have many types of equipment, dense structure, large plant area, and very complex cable channels. Considering the division and type of cables, cable design has been one of the most complicated tasks in power plant design. Shanghai Nuclear Engineering Research and Design Institute (SNERDI) uses Intergraph PDS system for power plant design, for the AP1000 and CAP series of projects, including equipment and raceway modeling, and use Shaw Cable Manager (SCM) system for cable laying. Cable design work involves multi-system data processing, though without a data integration platform based on 3D visualization. In this paper, a visual aided cable design system is built to display the design data and cable data in a unified 3D plant model, which realizes the visualization and integration of multi-system information, and improves reliability and efficiency of the design work. This method can be applied to a variety of design systems, and has good scalability.

Research and Implementation of Design Data Management and Processing System

2014 ◽  
Vol 644-650 ◽  
pp. 2744-2750
Author(s):  
Hong Ji ◽  
Chen Liu ◽  
Yan Yan Tang ◽  
Ye Yuan
Keyword(s):  
Quality Improvement ◽  
Data Management ◽  
Data Security ◽  
Collaborative Design ◽  
Processing System ◽  
Design System ◽  
Long Distance ◽  
Design Data ◽  
System Data ◽  
User Access

With the design teamdevelopment and the design data quality improvement, the problems in the process of design appear constantly, such as collaborative design, data security managementand dataremote processing.In order to solve these problems, we begin to research and implementation of design datamanagement andprocessing system (DDMP). The system adopts B/S architecture. Through online operations (accept task, review data, etc.), as well as strict management of the system data to realize long distance collaborative design. System respectively from the platform environment, data management, and user access control three aspects to ensure the safety of system. At last, DDMP integrates with rendering and 3D printing platform torealizeremoteprocessing ofdesign data.

scholarly journals SUPREME: Submarine Space Partitioning in Rhino by Quaestor3

2018 ◽  
Author(s):  
M Th van Hees ◽  
W H van den Broek-de Bruijn
Keyword(s):  
Weight Management ◽  
Knowledge Engineering ◽  
High Accuracy ◽  
Design System ◽  
Design Knowledge ◽  
Topological Representation ◽  
Weight Estimation ◽  
Space Partitioning ◽  
Design Data ◽  
Cad System

Within the scope of the Royal Netherlands Navy’s Walrus class replacement programme, DMO embarked in 2015 in developing a set of tools to generate and assess submarine concept designs. MARIN took up the challenge to develop a design workflow SUPREME on the basis of its Quaestor3 knowledge engineering framework [van Hees 1997, 2003, 2009]. Within this workflow a number of proprietary and often confidential tools should be plugged in to perform e.g. propulsion system dimensioning, weight estimation and for assessment of trimming and compensation capabilities. These ‘satellite’ tools are mostly developed for, or by, DMO. As a design system, SUPREME becomes fully operational at DMO where workflow and proprietary tools come together. The developmental focus of MARIN is the SUPREME workflow which deals with design knowledge representation and design data management. The two major challenges in its development were the topological representation and the weight management methodology. This paper will discuss the first one, the development of a submarine topological representation using the CAD system RhinocerosTM as externally controlled geometry generator. This combines high accuracy with adaptability and enables naval architects to constantly monitor the weight and volume balances and trimming / compensation capabilities of concept submarines already in the earliest stages of design.

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