scholarly journals AN OBJECT-ORIENTED PATTERN LANGUAGE FOR ENGINEERING DESIGN

Author(s):  
Y. P. Khanal ◽  
R. O. Buchal

Psychological inertia, biases and incomplete knowledge can lead engineering designers to choose a sub-optima design. The use of design patterns can help engineering designers find better solutions. Design patterns are recurring/reusable design solutions that are known to work in a particular design situation or a context. Patterns represent both recurring problems and recurring solutions together with their relationships. A design pattern language is a collection of related design patterns covering a particular design domain. This paper describes an object-oriented framework and methodology for the construction and use of pattern languages for the design of technical systems. Key words: Engineering design patterns; Engineering design pattern language; Engineering design; object-orientation.

2012 ◽  
Vol 10 (4) ◽  
pp. 293
Author(s):  
Yadav P. Khanal ◽  
Ralph O. Buchal

Author(s):  
Gary P. Moynihan ◽  
Bin Qiao ◽  
Matthew E. Elam ◽  
Joel Jones

The purpose of this research was to apply an artificial intelligence approach to improve the efficiency of design pattern selection used in the development of object-oriented software. Design patterns provide a potential solution to the limitations occurring with traditional software design approaches. Current methods of design pattern selection tend to be intuitive, and based on the experience of the individual software engineer. This expertise is very specialized and frequently unavailable to many software development organizations. A prototype expert system was developed in order to automate this process of selecting suitable patterns to be applied to the design problem under consideration. It guides the designer through the pattern selection process through inquiry regarding the nature of the design problem. The prototype system also provides the capabilities to browse patterns, view the relationship between patterns, and generate code based on the pattern selected. The routine application of such a system is viewed as a means to improve the productivity of software development by increasing the use of accepted design patterns.


2019 ◽  
Vol 10 (3) ◽  
pp. 1-9
Author(s):  
Komal M. Birare

This article is an introduction to design patterns. Patterns are recent software engineering problem-solving discipline that emerged from the object-oriented community. The primary purpose of the pattern is communicating design insights and making patterns coherent and easier to understand. On the basis of a review of existing frameworks and the authors own experiences building visualization software, they present a series of design patterns for the domain of information visualization. The authors discuss the structure, factors use, and association of patterns bridge of data representation, graphics, and interaction.


Author(s):  
Reinhard Bauer ◽  
Peter Baumgartner

This chapter proposes an interesting discussion on how to transfer design patterns from architecture and software engineering to education. Computer scientists and pedagogues try to define patterns and pattern languages suitable for educational needs. The main goal of their work is to enhance quality and to foster best practices of teaching. Arguably, talking about a pedagogical pattern language requires definitely thinking about and describing its taxonomy, in other words, we have to think about a “grammar,” a set of logical and structural rules that govern the composition of meta-patterns, patterns and subpatterns like sentences, phrases, and words in any given natural language. Analyzing an exemplary educational scenario, this contribution will demonstrate the applicability of Alexander’s fifteen properties of living centers in education and intends to open discussion and reflection about the important role of an educational taxonomy for classifying existing pedagogical patterns.


Author(s):  
Gary P. Moynihan ◽  
Bin Qiao ◽  
Matthew E. Elam ◽  
Joel Jones

The purpose of this research was to apply an artificial intelligence approach to improve the efficiency of design pattern selection used in the development of object-oriented software. Design patterns provide a potential solution to the limitations occurring with traditional software design approaches. Current methods of design pattern selection tend to be intuitive, and based on the experience of the individual software engineer. This expertise is very specialized and frequently unavailable to many software development organizations. A prototype expert system was developed in order to automate this process of selecting suitable patterns to be applied to the design problem under consideration. It guides the designer through the pattern selection process through inquiry regarding the nature of the design problem. The prototype system also provides the capabilities to browse patterns, view the relationship between patterns, and generate code based on the pattern selected. The routine application of such a system is viewed as a means to improve the productivity of software development by increasing the use of accepted design patterns.


Author(s):  
Peter Rasche ◽  
Sabine Theis ◽  
Christina Bröhl ◽  
Matthias Wille ◽  
Christopher M. Schlick ◽  
...  

Design pattern languages are already used extensively in architecture and computer science. In 2009 we first proposed the idea of a design pattern language for the health sector and in particular the Ambient Assisted Living sector. Based on the first language, we now present a new design pattern language focusing on “mobile information and communication technology for elderly”. Addressing the increasing importance of healthcare ICT, especially for older users, the next logical step was to build upon the experience from the development of a language for “ambient assisted living”. The pattern language is proposed as a mediator to build and exchange competence interdisciplinary. Therefore, this paper introduces the idea of design pattern languages as well as the newly developed language. Furthermore, best practices in developing and applying design pattern languages are presented to enable the reader to use this as a method to exchange research results and ideas between disciplines and in laymen’s terms, even with novices of the research topic.


Design Patterns are one of the demonstrated reusable answers for the normally experienced design issues. The identification of design pattern is significant action that underpins re-building procedure and gives insights to the designer. The uncovering of these design patterns help understand the object oriented models clearly by analyzing the relations present in the model. Many design pattern identification approaches have been proposed in past years. These methodologies work upon the behavioral, structural and semantic analysis of the software. Many algorithms were used to recognize design patterns in software. In this paper, we will be extracting an attribute relational matrix from the graph using object oriented approach. The aim of the paper is to discover all the design patterns present in the system design.


Author(s):  
Petros Georgiakakis ◽  
Simos Retalis ◽  
Marlies Bitter-Rijpkema ◽  
Kees Pannekeet ◽  
Marjo Rutjens ◽  
...  

This chapter proposes a design pattern based on the Six Thinking Hats Creativity technique to foster the collaboration among specialists of various fields. It exemplifies the value of pattern languages for the work in multidisciplinary teams and discusses how the proposed pattern helped in a design project in which a groupware system is developed. Following the structure of flow design patterns, the Six Thinking Hats Technique is described in the pattern format taking the problem context and its forces into account. In its solution part, the pattern describes the types of tasks as well as the types and structure of groups for each of the various roles defined by this creativity technique. The core solution of the present pattern is to shift between various perspectives and to incorporate multiple views of the stakeholders.


2003 ◽  
Vol 11 (4) ◽  
pp. 309-320 ◽  
Author(s):  
Douglas Gregor ◽  
Sibylle Schupp ◽  
David R. Musser

We apply the notion of design patterns to optimizations performed by designers of software libraries, focusing especially on object-oriented numerical libraries. We formalize three design patterns that we have abstracted from many existing libraries and discuss the role of these formalizations as a tool for guiding compiler optimizers. These optimizers operate at a very high level that would otherwise be left unoptimized by traditional optimizers. Finally, we discuss the implementation of a design pattern-based compiler optimizer for C++ abstract data types.


2019 ◽  
Vol 2 (2) ◽  
pp. 1-6 ◽  
Author(s):  
Ram Naresh Thakur ◽  
U.S. Pandey

Object Oriented Software Development (OOSD) is a design technique that is used before the development and design of a software. This design method makes the system appears as a collection of objects to communicate with other objects by passing messages. The Model-View-Controller (MVC) has been inherited from Object-Oriented Programming (OOP) with the integration of Graphical User Interface (GUI) and interactive program execution. The MVC is very useful for developing Interactive and Dynamic Web Applications and iOS. With MVC, developers can trust on design patterns that are widely accepted as solutions for recurring problems. MVC can be used to develop flexible, reusable and modular Software. Applying the MVC design pattern in object-oriented Software development a flexible, reliable, modular and scalable website can be built. So, it’s necessary for every developer to have the knowledge of software development using MVC design pattern.


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