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مهندسی کامپیوتر و برق

On linear programming relaxations for solving polynomial programming problems

linear

تسهیلات برنامه ریزی خطی برای حل مشکلات برنامه نویسی چند جمله ای This paper studies linear programming (LP) relaxations for solving polynomial programming problems. A polynomial programming problem can be equivalently formulated as a quadratically constrained quadratic program (QCQP) by introducing new variables that represent nonlinear monomials and substituting them ...

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Network user equilibrium of battery electric vehicles considering flow-dependent electricity consumption

equilibrium

شبکه تعادل کاربران باتری خودروهای برقی با توجه به مصرف برق وابسته به جریان This paper addresses the equilibrium traffic assignment problem involving battery electric vehicles (BEVs) with flow-dependent electricity consumption. Due to the limited driving range and the costly/time-consuming recharging process required by current BEVs, as well as the ...

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An integer optimality condition for column generation on zero–one linear programs

integer

یک شرایط بهینه مطلق برای تولید ستون در برنامه های خطی صفر Column generation is a linear programming method that, when combined with appropriate integer programming techniques, has been successfully used for solving huge integer programs. The method alternates between a restricted master problem and a column generation subproblem. The ...

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Biocompatible and electroconductive polyaniline-based biomaterials for electrical stimulation

electrical

مواد بیولوژیک بیولوژیک و الکترومغناطیسی مبتنی بر پلیانیلن برای تحریک الکتریکی Polyaniline (PANI) involved materials have extended approved applications in different fields, including bio/chemical-sensors, electrical and electrochemical devices, electrochemically active membranes and stimuli-responsive systems. These materials have attracted most of the interest in the field of development of biomaterials for ...

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Emerging artificial intelligence methods in structural engineering

Emerging

روش های جدید هوش مصنوعی در مهندسی ساخت و ساز Artificial intelligence (AI) is proving to be an efficient alternative approach to classical modeling techniques. AI refers to the branch of computer science that develops machines and software with human-like intelligence. Compared to traditional methods, AI offers advantages to deal ...

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The challenges in computer supported conceptual engineering design

engineering

چالش های رایانه در طراحی پشتیبانی مهندسی مفهومی چکیده: Computer Aided Engineering Design (CAED) supports the engineering design process during the detail design, but it is not commonly used in the conceptual design stage. This article explores through literature why this is and how the engineering design research community is ...

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Thermal and electrical properties of siligraphene and its derivatives

مقالات مهندسی برق

خواص حرارتی و الکتریکی سیلیگرافی و مشتقات آن چکیده: The electrical and optical properties of siligraphene have been investigated in this paper using semi-classical Boltzmann equation and the WIEN2K code based on density functional theory. We studied two configurations of siligraphene (g-SiC3 and g-SiC7 with different concentration of Silicon); our ...

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