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Rayan: A polyhedral grid co-located incompressible finite volume solver (Part I: Basic design features)
, Article Scientia Iranica ; Volume 17, Issue 6 B , NOVEMBER-DECEMBE , 2010 , Pages 443-455 ; 10263098 (ISSN) ; Saidi, M. S ; Sharif University of Technology
2010
Abstract
In this work, basic design features of Rayan are documented. One of the new design features presented in this work is the way Rayan handles polyhedral grids. Grid definition is combined with the definition of the structure of the sparse coefficient matrix, thereby releasing a considerable part of the memory used by the grid to store otherwise required faces belonging to the cell part of the connectivity description. The key idea is to use a uniform way for creating the structure of the coefficient matrix from the grid connectivity description and to access that data when computing the elements of the coefficient matrix. This saving requires many modifications to the computational algorithm...
Patch Design Based on Axiomatic Design
, M.Sc. Thesis Sharif University of Technology ; Abedian, Ali (Supervisor)
Abstract
When today’s aircrafts reach the end of their service lifes, fatigue cracks are found to have developed along rivet holes and other highly stressed regions of the aircraft. In order to extend life of these aircrafts, repairs have been made to arrest these cracks. Composite repair patches provide an innovative repair technique, which can enhance the way aircrafts are maintained. In this thesis, composite patch design is presented based on axiomatic design technique. Axiomatic design is investigated design methodology for large or complex system design. Tools to enable successful application of axiomatic design are expressed as axioms and process for axiomatic system design. The patch design...
Scarf Repair Design based on Axiomatic Design
, M.Sc. Thesis Sharif University of Technology ; Abedian, Ali (Supervisor)
Abstract
In this project, first of all the Axiomatic Design approach, then the Scarf Repair and papers about it so far have been explained. Then Scarf Repair design with Axiomatic Design approach has been done and at the end a damaged plate sample has been repaired with developed way. Axiomatic Design is a systematic approach to design or judge existing designs for choosing the best design. This approach, says that a good design is the one that satisfys Independence and Information axioms. Independence axiom says that the better design is the one that its functional requierments are independent from each other and Information axiom says that from designs that satisfy the Independence axiom, the...
Systematic design method for bonded repair based on axiomatic design methodology
, Article Procedia CIRP, 16 September 2015 through 18 September 2015 ; Volume 34 , 2015 , Pages 236-243 ; 22128271 (ISSN) ; Abedian, A ; Giorgetti, A ; Citti, P ; Suh, N. P ; Matt, D ; Kathryn, M ; Sharif University of Technology
Elsevier
2015
Abstract
When cracks along rivet holes and other highly stressed regions of mostly aged aircrafts are found, usually repairs are being made to arrest these cracks. Patches provide an innovative repair technique, which can enhance the way aircrafts are maintained. Composite patch design along with axiomatic design technique deployment is a possibility. Axiomatic Design (AD) is expressed as a system design methodology that is applicable to creation of a new design, analysis and improvement of an existing design. While, here Patch Design system architecture is expressed as application of principles of axiomatic design on top level requirements with consideration of design parameters and constraints. A...