نتایج جستجو برای: design structure matrix

تعداد نتایج: 2704730  

Journal: :مطالعات توسعه اجتماعی - فرهنگی 0
سیدرضا نقیب السادات seyed reza naqibolsadat فاطمه قصابی fatemeh qasabi

this study tries to provide a virtual image of the structure and design of facenama, cloob, facebook and google+ social networks. the main question in this study is which variable or variables are differ in the structure and design of social networks of iranian and non-iranian. content analysis has been used in this study. content analysis is a research method to describe the objective, systema...

2016
Dunbing Tang Li Zheng Zhizhong Li Dongbo Li Shiqi Zhang

According to the requirements of concurrent engineering, three interdependency relationships (uncoupled relationship, coupled relationship and decoupled relationship) between design activities are presented in this paper. And the coupled relationship plays an important role in concurrent product design process. To represent the precedence relationships among design activities, a directed graph ...

2009
Kristin L. Wood

The design of a product determines the flexibility of that product for future evolutions, which may arise from a variety of change modes such as new market needs or technological change. The energy, material, and information exchanged between components of a product along with the spatial relationships and movement between those components all influence the ability of that product’s design to b...

2010
N. Wagner S. Boland B. Taylor D. Keen J. Nelson T. Bradley

This paper describes methods for design of a hand-launchable, back-packable unmanned aerial vehicle for long endurance flight. The proposed design methods involve the development of empirical and physicsbased contributing analyses to model the performance of the aircraft subsystems. The contributing analyses are collected into a design structure matrix which is used to map aircraft performance ...

2008
Tomas Flanagan

Planning and managing large-scale projects is non-trivial, as evidenced by the large number of projects that exceed budget and schedule targets. In many cases, rework is a key factor in project delays. Accurate rework prediction is challenging – even when the tasks responsible for rework can be identified, the likely project impact is difficult to determine. The work described in this paper exa...

Journal: :iranian journal of pharmaceutical research 0
shailesh prajapati department of pharmaceutics, shri sarvajanik pharmacy college, mehsana, gujarat, india. laxmanbhai. patel department of pharmaceutics, c. u. shah college institute of pharmacy and research wadhwan, gujarat, india. chhaganbhai patel department of pharmaceutics, c. u. shah college institute of pharmacy and research wadhwan, gujarat, india.

the purpose of this research was to prepare a floating matrix tablet containing domperidone as a model drug. polyethylene oxide (peo) and hydroxypropyl methylcellulose (hpmc) were evaluated for matrix-forming properties. a simplex lattice design was applied to systemically optimize the drug release profile. the amounts of peo wsr 303, hpmc k15m and sodium bicarbonate were selected as independen...

A. Kaveh, M. Kalateh-Ahani, M.S. Masoudi,

Evolution Strategies (ES) are a class of Evolutionary Algorithms based on Gaussian mutation and deterministic selection. Gaussian mutation captures pair-wise dependencies between the variables through a covariance matrix. Covariance Matrix Adaptation (CMA) is a method to update this covariance matrix. In this paper, the CMA-ES, which has found many applications in solving continuous optimizatio...

2013
Jeeeun Kim Sungjoo Lee

This research proposes a methodology for patent-citation-based technology input-output analysis by applying the patent information to input-output analysis developed for the dependencies among different industries. For this analysis, a technology relationship matrix and its components, as well as input and technology inducement coefficients, are constructed using patent information. Then, a tec...

Journal: :international journal of maritime technology 0
farhad hosseinlou university of tabriz alireza mojtahedi university of tabriz

marine industry requires continued development of new technologies in order to produce oil. an essential requirement in design is to be able to compare experimental data from prototype structures with predicted information from a corresponding analytical finite element model. in this study, structural model updating may be defined as the fit of an existing analytical model in the light of measu...

2005
Krister Svanberg Mats Werme

1. Abstract This presentation deals with sensitivity calculations for load-carrying linearly elastic continuum structures which are discretized by a finite element model. The topology and shape of the considered structure are represented by binary design variables indicating material or void in the various finite elements. Elements containing material are called “black” while elements without m...

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