نتایج جستجو برای: system engineering
تعداد نتایج: 2413827 فیلتر نتایج به سال:
چکیده ندارد.
Many optimization techniques have been proposed since the inception of engineering optimization in 1960s. Traditional mathematical modeling-based approaches are incompetent to solve the engineering optimization problems, as these problems have complex system that involves large number of design variables as well as equality or inequality constraints. In order to overcome the various difficultie...
The Organization Readiness of Engineering Project Management Based on Virtual Teams has been analyzed in an Iranian Engineering firm. Adapting and analyzing the latest readiness model, experts’ opinions were received by questionnaires and main criteria of the readiness have been identified. The considered readiness criteria are: Infrastructure, Deliverables (Drawings, Reports, Minutes of Meeti...
Muffler is one of the main components of an automotive exhaust system, which reduces the noise of the exhaust system. In this paper, modeling and simulation of the acoustic behavior of a muffler is presented with the aid of an engineering software. For this purpose, firstly, an analytical model is presented to evaluate the sound transmission loss in cylindrical shells based on Sander's theory....
during the eight years of holy defense, the war supporting and engineering of jihad along with the iranian military forces (the army and irgc) participated in various operations and played a key role in defending the country.the review of jihad extensive activities in different operations offers a part of the untold history of the war to the researchers and interested in this area.the supply an...
background :despite the presence of many textile and dyeing plants in iran, we couldn’t find similar studies in this country. forthermore, considering progress in the dyeing process and engineering controls, assessment of respiratory system is important for these workers. the present study was performed to evaluate the respiratory system in dyeing workers. methods : in a cross-sectional study...
The purpose of this paper is using the concepts of value engineering (VE) in evaluating the improvement caused by preventive maintenance (PM) systems in construction project. A real case is used to show how we can implement the proposed method. VE is the systematic application of recognized techniques by multi-disciplined teams that identifies the function of a product or service, establishes a...
Introduction: Requirements Engineering process is a crucial phase in software development. In order to achieve a successful design of health information systems (HISs), applying the best methodologies is essential. Therefore, the aim of the present study was to design pediatrics Epilepsy Information System (EPIS) as well as the use of triangulation approach in elicitation and validation of epil...
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