نتایج جستجو برای: geometric design criteria

تعداد نتایج: 1259381  

2012
A. R. Amiri-Simkooei S. Zaminpardaz

This contribution reviews a few basic concepts of optimization and design of a geodetic network. Proper assessment and analysis of networks is an important task in many geodetic-surveying projects. Appropriate quality-control measures should be defined, and an optimal design should be sought. The quality of a geodetic network is characterized by precision, reliability, and cost. The aim is to p...

Geometric programming is efficient tool for solving a variety of nonlinear optimizationproblems. Geometric programming is generalized for solving engineering design. However,Now Geometric programming is powerful tool for optimization problems where decisionvariables have exponential form.The geometric programming method has been applied with known parameters. However,the observed values of the ...

Journal: :international journal of information science and management 0
h.r. maleki ph.d. , department of basic sciences shiraz university of technology m. mashinchi ph.d. , faculty of mathematics and computer sciences shahid bahonar university of kerman

generally, an engineering design problem has multiple objective functions. some of these problems can be formulated as multiobjective geometric programming models. on the other hand,often in the real world, coefficients of the objective functions are not known precisely. coefficients may be interpreted as fuzzy numbers, which lead to a multiobjective geometric programming with fuzzy parameters....

Journal: :international journal of civil engineering 0
j. sadeghi iran university of science and technology p. barati iran university of science and technology

current practices in railway track analysis and design are reviewed and discussed in this paper. the mechanical behavior of railway track structure comprising of various components has not been fully understood due to the railway track structural complexity. although there have been some improvements in the accuracy of current track design methods in recent decades, there are still considerable...

Journal: :ارتقای ایمنی و پیشگیری از مصدومیتها 0
محمدرضا احدی mr ahadi دانشگاه علم و صنعت ایرانسازمان اصلی تایید شده: دانشگاه علم و صنعت ایران (iran university of science and technology) سید رامین اعتمادزاده sr etemadzadeh دانشگاه آزاد، واحد تهران جنوبسازمان اصلی تایید شده: دانشگاه آزاد اسلامی تهران جنوب (islamic azad university of tehran south)

background and aim: traffic accident is one of the main causes of mortality in iran. the damage and injury caused by these accidents threatens human societies severely. rural accidents are often more severe and show harsher consequences because the operational speed is higher on rural roads and highways. world statistics presented by world health organization (who) reveal that about 25 percent ...

Journal: :Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 2016

Journal: :ESAIM: Mathematical Modelling and Numerical Analysis 1992

Many real-world search and optimization problems involve inequality and/or equality constraints and are thus posed as constrained optimization problems. In trying to solve constrained optimization problems using classical optimization methods, this paper presents a Multi-Objective Bees Algorithm (MOBA) for solving the multi-objective optimal of mechanical engineering problems design. In the pre...

Journal: :SSRN Electronic Journal 2011

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