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Transient analysis of thermoelastic contact problem of disk brakes

Ali BELHOCINE, Mostefa BOUCHETARA

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2, Pages 150-159 doi: 10.1007/s11465-013-0266-6

Abstract: The thermal-structural analysis is then used with coupling to determine the deformation established and

Keywords： brake disks heat flux heat-transfer coefficient Von Mises stress contact pressure

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Analysis of Plates and Shells and Its Application

Liu Renhuai

Strategic Study of CAE 2000, Volume 2, Issue 11, Pages 60-67

Abstract: Analysis of plates and shells originates from the 18th century with the development of industry.

Keywords： thin plates and shells thick plates and shells nonlinear problem linear problem bending stability vibration

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Discussion on Problem-Based Engineering Management System

Qiao Xiang

Frontiers of Engineering Management 2015, Volume 2, Issue 3, Pages 249-260 doi: 10.15302/J-FEM-2015054

Abstract: The paper puts forward the idea of problem-based engineering management, expounds its connotation and

Keywords： problem engineering management system

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Airline planning and scheduling: Models and solution methodologies

Lei ZHOU, Zhe LIANG, Chun-An CHOU, Wanpracha Art CHAOVALITWONGSE

Frontiers of Engineering Management 2020, Volume 7, Issue 1, Pages 1-26 doi: 10.1007/s42524-020-0093-5

Abstract: General formulation, widely used solution approaches, and important extensions are presented for each problem

Keywords： airline planning fleet assignment problem aircraft routing problem crew pairing problem crew rosteringproblem crew scheduling problem integrated planning

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A solution to stochastic unit commitment problem for a wind-thermal system coordination

B. SARAVANAN,Shreya MISHRA,Debrupa NAG

Frontiers in Energy 2014, Volume 8, Issue 2, Pages 192-200 doi: 10.1007/s11708-014-0306-x

Abstract: Unit commitment (UC) problem is one of the most important decision making problems in power system.In this paper the UC problem is solved by considering it as a real time problem by adding stochasticityaddressed is the achievement of an economic unit commitment solution after solving UC as a real time problemThis paper proposes a hybrid approach to solve the stochastic unit commitment problem considering thevolatile nature of wind and formulating the UC problem as a chance constrained problem in which the

Keywords： unit commitment (UC) randomness wind generation univariate chance constrained

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Solving unit commitment problem using a novel version of harmony search algorithm

Roozbeh MORSALI,Tohid JAFARI,Amirhossein GHODS,Mohammad KARIMI

Frontiers in Energy 2014, Volume 8, Issue 3, Pages 297-304 doi: 10.1007/s11708-014-0309-7

Abstract: novel structure was proposed for improving harmony search (HS) algorithm to solve the unit comment (UC) problem

Keywords： generation scheduling harmony search (HS) algorithm intelligent technique unit commitment

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Mechanics analysis of thin-walled box continuous girder with variable cross-sections in considering effect

Yuji CHEN, Qizhi LUO,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 352-356 doi: 10.1007/s11709-009-0057-7

Abstract: displacement, and evolving five generalized displacements with the spline function, the large deflection problem

Keywords： thin-walled box girder with variable cross-sections potential variational theory shear lag large deflection problem

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A solution to the unit commitment problem—a review

B. SARAVANAN, Siddharth DAS, Surbhi SIKRI, D. P. KOTHARI

Frontiers in Energy 2013, Volume 7, Issue 2, Pages 223-236 doi: 10.1007/s11708-013-0240-3

Abstract: Unit commitment (UC) is an optimization problem used to determine the operation schedule of the generatingMany algorithms have been invented in the past five decades for optimization of the UC problem, but stillresearchers are working in this field to find new hybrid algorithms to make the problem more realisticIn terms of contributions, the detailed analysis of all the UC algorithms has been discussed for the

Keywords： unit commitment (UC) optimization deterministic load stochastic load evolutionary programming (EP) hybrid

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Hydrocele of the canal of Nuck — an old problem revisited

John Bunni, Mark Gillam, Ian Michael Pope

Frontiers of Medicine 2013, Volume 7, Issue 4, Pages 517-519 doi: 10.1007/s11684-013-0300-4

Abstract:

Herein the authors describe the case of a young woman presenting with a tender lump in her groin. Clinically the differential was of either a reactive lymph node or a femoral hernia. Ultrasound scan was urgently arranged and showed a cystic lesion. Surgical exploration was carried out and revealed this to be a hydrocele of the canal of Nuck. This was excised and the patient’s symptoms resolved and she was discharged home the following day. We explore the embryology, pathophysiology and management of this rare entity.

Keywords： canal of Nuck hernia embryology

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A Breakthrough in Solving the Problem of Train Derailment —The Approach of Random Energy Analysis

Zeng Qingyuan,Xiang Jun,Lou Ping

Strategic Study of CAE 2002, Volume 4, Issue 12, Pages 9-20

Abstract: system is not guaranteed; the excitation source of lateral vibration of the system is not clear; the problemof random analysis of this system is not solved — still exist in calculation theory of train derailmentThe approach of random energy analysis, the breakthrough in solving the problem of train derailment,

Keywords： train derailment approach of random energy analysis energy increment criterion preventive measures of

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A solution to unit commitment problem using invasive weed optimization algorithm

B. SARAVANAN, E. R. VASUDEVAN, D. P. KOTHARI

Frontiers in Energy 2013, Volume 7, Issue 4, Pages 487-494 doi: 10.1007/s11708-013-0279-1

Abstract: Unit commitment (UC) is one of the most important aspect of power generation in the world today. Though, there is no method to find the exact optimized solution, there exists several meta-heuristic algorithms to determine the close to exact solution. This paper proposes a novel solution to effectively determine UC and generation cost using the technique of invasive weed optimization (IWO). The existing technique distributes the load demand among all the generating units. The method proposed here utilizes the output of UC obtained by using the Lagrangian relaxation (LR) method and calculates the required generation from only the plants that are ON discarding the OFF generator units and thereby giving a faster and more accurate response. Moreover, the results show the comparison between the LR-particle swarm optimization (PSO) and LR-IWO, and prove that the cost of generation for a 4 unit, 8 hour schedule is much less in the case of IWO when compared to PSO.

Keywords： Lagrangian relaxation (LR) invasive weed optimization (IWO) economic dispatch optimization fuel cost seed fitness

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Method for solving the nonlinear inverse problem in gas face seal diagnosis based on surrogate models

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0689-z

Abstract: computational cost of inferring the input fault parameters for the observed output or solving the inverse problemThe presented work develops a surrogate-model-assisted method for solving the nonlinear inverse problem

Keywords： surrogate model gas face seal fault diagnosis nonlinear dynamics tribology

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A new technique for solving the multi-objective optimization problem using hybrid approach

Mimoun YOUNES,Khodja FOUAD,Belabbes BAGDAD

Frontiers in Energy 2014, Volume 8, Issue 4, Pages 490-503 doi: 10.1007/s11708-014-0311-0

Abstract: greenhouse gases and to reduce CO emissions forced the power system operators to consider the emission problemThe economic power dispatch problem has, therefore, become a multi-objective optimization problem.To achieve a good design with different solutions in a multi-objective optimization problem, fuel costand pollutant emissions are converted into single optimization problem by introducing penalty factorNow the power dispatch is formulated into a bi-objective optimization problem, two objectives with two

Keywords： economic power dispatch (EPD) firefly algorithm (FFA) real genetic algorithm (RGA) hybrid method

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Two-level uncapacitated lot-sizing problem considering the financing cost of working capital requirement

Yuan BIAN, David LEMOINE, Thomas G. YEUNG, Nathalie BOSTEL

Frontiers of Engineering Management 2020, Volume 7, Issue 2, Pages 248-258 doi: 10.1007/s42524-019-0069-5

Abstract: However, in literatures related to lot-sizing problem, WCR has only been studied in the single-levelTo tackle this problem, we propose sequential and centralized approaches to solve the two-level caseThis property allows us to establish a dynamic programming-based algorithm, which solves the problem

Keywords： two-level ULS problem lot-sizing working capital requirement ZIO property infinite production capacity

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Elastoplastic frictional contact problem study on interference fits of compressor

ZHANG Hongwu, WU Changhua, LIAO Aihua

Frontiers in Energy 2008, Volume 2, Issue 3, Pages 313-319 doi: 10.1007/s11708-008-0026-1

Abstract: programming (PQP) method developed from the parametric variational principle (PVP) was used for the analysiswith 24 blades under combined centrifugal and interference-fit loading was considered in the numerical analysis

Keywords： computation thickness interference-fit interference unspecified