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Integrated transmission and generation planning model in a deregulated environment

Enrique B. CEDE?O, Sant ARORA

Frontiers in Energy 2013, Volume 7, Issue 2,   Pages 182-190 doi: 10.1007/s11708-013-0256-8

Abstract: ., planning for generation and transmission capacities is decentralized.This paper presents a model for integrating generation and transmission expansion planning to identifyThe argument for an integrated model is supported using evidence from integrated planning efforts inThe application of the proposed model is illustrated using an example that requires expansion of generationand transmission capacities over three regions in a deregulated power system.

Keywords： integrated planning     indicative plans     power generation     transmission     deregulation    

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Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 4,   Pages 383-391 doi: 10.1007/s11465-011-0244-9

Abstract:

Finite element models are often used to simulate impact and contact dynamics responses of multibodyAlthough many model reduction techniques have been available to improve the efficiency of finite elementthe high nonlinearity of the contact dynamics models.This paper presents a model reduction approach for finite-element based multibody contact dynamics simulationAn example is presented to demonstrate that, by applying the model reduction the simulation process is

Keywords： contact dynamics     dynamic simulation     model reduction     finite element method    

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Model validation for structural dynamics in the aero-engine design process

Chaoping ZANG, D. J. EWINS,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 480-488 doi: 10.1007/s11708-009-0043-8

Abstract: A model validation technique in structural dynamics and its application in aero-engine development isThe concept and the approaches of model validation based on reference data supplied from experimentalA satisfactory agreement with both approaches is achieved, and finally, a strategy of model validationfor the whole engine model is introduced.

Keywords： model validation     aero-engine     structural dynamics    

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Model reduction techniques for dynamics analysis of ultra-precision linear stage

Xuedong CHEN, Zhixin LI

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1,   Pages 64-70 doi: 10.1007/s11465-009-0009-x

Abstract: Spring-damping elements are used to simplify the internal interaction in the proposed finite element (FE) modelThe dynamics behavior is studied.from the eigenvalue analysis shows that the components, except the translator, can represent system dynamicsanalysis proves the validity of the reduction approach, which can be generalized to the development and dynamicscharacteristic study of a complex system model to obviously save computational resource.

Keywords： dynamics analysis     air-bearing     linear stage     reduction    

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Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Frontiers of Chemical Science and Engineering 2017, Volume 11, Issue 3,   Pages 440-447 doi: 10.1007/s11705-017-1626-2

Abstract: Isothermal-isobaric molecular dynamics simulation was used to study the diffusion mechanism of waterexponentially with increasing water concentration at both temperatures (i.e., following the free volume model

Keywords： molecular dynamics simulation     amphiphilic block copolymer     free volume     water diffusivity     fujita model    

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Modeling and analysis of landing collision dynamics for a shipborne helicopter

Dingxuan ZHAO, Haojie YANG, Carbone GIUSEPPE, Wenhang LI, Tao NI, Shuangji YAO

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 151-162 doi: 10.1007/s11465-020-0617-z

Abstract: A Lagrange dynamic model is established based on small-angle approximation to improve the simulationmodel for shipborne helicopter landing collision.To describe fuselage motion effectively, the proposed model considers ship motion, the interaction ofbuilt, and a real-time reliability analysis of the algorithm is implemented to validate the proposed modelResults show that the proposed dynamic model can simulate the collision motion of helicopter landing

Keywords： shipborne helicopter     landing model     Lagrange equations     dynamics     validation    

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Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 506-514 doi: 10.1007/s11705-010-0508-7

Abstract: The Speziale, Sarkar and Gatski Reynolds Stress Model (SSG RSM) is utilized to simulate the fluid dynamicsCFD model data in terms of the flow field, trailing vortex, and the power number are compared with publishedThe comparison shows that the global fluid dynamics throughout the stirred tank and the local characteristicsThe power number predicted is quite close to the designed value, which demonstrates that this model canTherefore, the simulation by using a combination of SSG RSM and MRF impeller rotational model can accurately

Keywords： stirred tank     fluid dynamics     numerical simulation     SSG Reynolds Stress Model     MRF    

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Multi-time scale dynamics in power electronics-dominated power systems

Xiaoming YUAN, Jiabing HU, Shijie CHENG

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3,   Pages 303-311 doi: 10.1007/s11465-017-0428-z

Abstract: the supply side for renewable generations and power transmissions using high voltage direct current transmissionThis transformation has altered the fundamental mechanism of power system dynamics, which demands the

Keywords： power electronics     power systems     multi-time scale dynamics     mass-spring-damping model     self-stabilizing    

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Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 287-291 doi: 10.1007/s11465-011-0230-2

Abstract: In the current paper, a macroscopic differential model is constructed for the coupled hysteretic dynamics

Keywords： differential model     state space     electromechanical switching     butterfly effects     hysteresis    

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Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 5,   Pages 638-648 doi: 10.1007/s11783-012-0442-7

Abstract: This study applies the principles of computational fluid dynamics (CFD) to predict the particle and pollutantA standard turbulence model is used to resolve flow, and a discrete phase model (DPM) is utilized toCFD results closely follow physical model results across the entire range of flow rates.

Keywords： unit operations and processes (UOPs)     hydrodynamic separation     filtration     adsorption     computational fluid dynamics(CFD)     turbulence modeling     discrete phase model     particle separation     detention/retention basins     clarification    

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Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Frontiers in Energy 2016, Volume 10, Issue 2,   Pages 213-226 doi: 10.1007/s11708-016-0398-6

Abstract: However, in application to grounding of transmission line towers they are not enough to determine whatindicates reasons in favor of the fact that to choose the optimum design of grounding, the calculation model

Keywords： grounding     transmission line tower     back flashover probability     FDTD method    

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Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Frontiers of Structural and Civil Engineering   Pages 915-934 doi: 10.1007/s11709-023-0907-8

Abstract: A fictitious soil pile (FSP) model is developed to simulate the behavior of pipe piles with soil plugsThe developed model simulates the base soil with a fictitious hollow pile fully filled with a soil plugThe motions of the pile−soil system are solved by discretizing them into spring-mass model based on thefor pipe piles in field tests subjected to impact loading, validate the accuracy of the proposed modelaffected soil zone below the pipe pile toe, and some guidance is provided for the selection of the model

Keywords： fictitious soil pile     soil plug     pipe piles     high-strain dynamic analysis     one-dimensional wave theory     pile dynamics    

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A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 6,   Pages 815-824 doi: 10.1007/s11783-011-0383-6

Abstract: An eutrophication eco-dynamics model including the effects of reed resistance on flow was coupled withThe model simulates water quality constituents associated with eutrophication in the lake, includingThe values calculated by the calibrated model agree well with field data, including ammonia nitrogen,Deviations between model-simulated and observed values are discussed.As an ideal tool for environmental management of the lake, this model can be used to predict its water

Keywords： eutrophication     eco-dynamics     hydrodynamics     improved Water Quality Analysis Simulation Program (WASP) model    

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Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 529-538 doi: 10.1007/s11708-019-0624-0

Abstract: scale complicated repairable system such as electric generating units, power station auxiliaries, and transmissiongeneral availability growth models, ways for estimating, and fitting on checking the parameters of the modelAvailability growth models for electric generating units, power station auxiliaries, and transmissionpower units and 1000 MW thermal power units, 200–1000 MW power station auxiliaries, and 220–500 kV transmissiondata show that the maintenance coefficients for electric generating units, power station auxiliaries, transmission

Keywords： repairable system     power equipment     electric generating unit     power station auxiliary     transmission and distributioninstallation     reliability     availability     availability growth model    

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Recent transmission of Mycobacterium tuberculosis in China: the implication of molecular epidemiology

Chongguang Yang, Qian Gao

Frontiers of Medicine 2018, Volume 12, Issue 1,   Pages 76-83 doi: 10.1007/s11684-017-0609-5

Abstract: Whether incident active TB represents recent transmission or endogenous reactivation has helped to prioritizeEvidence from molecular epidemiology studies has delineated the recent transmission of ( ) strains inHowever, the transmission patterns of TB in most areas of China are still not clear.Studies carried out to date could not capture the real burden of recent transmission of the disease inof strains, the primary transmission of drug-resistant TB, and the evaluation of a feasible genotyping

Keywords： tuberculosis     recent transmission     molecular epidemiology     China    

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Title Author Date Type Operation

Integrated transmission and generation planning model in a deregulated environment

Enrique B. CEDE?O, Sant ARORA

Journal Article

Model reduction of contact dynamics simulation using a modified Lyapunov balancing method

Jianxun LIANG, Ou MA, Caishan LIU

Journal Article

Model validation for structural dynamics in the aero-engine design process

Chaoping ZANG, D. J. EWINS,

Journal Article

Model reduction techniques for dynamics analysis of ultra-precision linear stage

Xuedong CHEN, Zhixin LI

Journal Article

Molecular dynamics study of water diffusion in an amphiphilic block copolymer with large difference in

Yang Zhou, Phillip Choi

Journal Article

Modeling and analysis of landing collision dynamics for a shipborne helicopter

Dingxuan ZHAO, Haojie YANG, Carbone GIUSEPPE, Wenhang LI, Tao NI, Shuangji YAO

Journal Article

Numerical simulation of fluid dynamics in the stirred tank by the SSG Reynolds Stress Model

Nana QI, Hui WANG, Kai ZHANG, Hu ZHANG

Journal Article

Multi-time scale dynamics in power electronics-dominated power systems

Xiaoming YUAN, Jiabing HU, Shijie CHENG

Journal Article

Stress induced polarization switching and coupled hysteretic dynamics in ferroelectric materials

Linxiang WANG, Roderick MELNIK, Fuzai LV

Journal Article

Stormwater treatment: examples of computational fluid dynamics modeling

Gaoxiang YING, John SANSALONE, Srikanth PATHAPATI, Giuseppina GAROFALO, Marco MAGLIONICO, Andrea BOLOGNESI, Alessandro ARTINA

Journal Article

Choosing configurations of transmission line tower grounding by back flashover probability value

Dmitry KUKLIN

Journal Article

Fictitious soil pile model for dynamic analysis of pipe piles under high-strain conditions

Journal Article

A two-dimensional numerical model for eutrophication in Baiyangdian Lake

Xudong WANG, Shushen ZHANG, Suling LIU, Jingwen CHEN

Journal Article

Availability growth models and verification of power equipment

Jinyuan SHI, Jiamin XU

Journal Article

Recent transmission of Mycobacterium tuberculosis in China: the implication of molecular epidemiology

Chongguang Yang, Qian Gao

Journal Article