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Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 1,   Pages 65-70 doi: 10.1007/s11709-014-0258-6

Abstract: of port ecological effects and the principles of selecting evaluation index, and used the “pressure-state-response(PSR)” model to analysis the various pressures on the environment caused by port construction and operation, and the system’s response.This model used the combination of qualitative and quantitative analytic hierarchy process, to meet theThe evaluation index system and evaluation model can be used to analysis the ecological suitability of

Keywords： port     ecological suitability     press-state-response (PSR) model     evaluation index system    

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PRESS-based EFOR algorithm for the dynamic parametrical modeling of nonlinear MDOF systems

Haopeng LIU, Yunpeng ZHU, Zhong LUO, Qingkai HAN

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 390-400 doi: 10.1007/s11465-017-0459-5

Abstract:

In response to the identification problem concerning multi-degree of freedom (MDOF) nonlinear systemspresents the extended forward orthogonal regression (EFOR) based on predicted residual sums of squares (PRESSThe PRESS-based EFOR algorithm is proposed to identify such a model for MDOF systems.Results indicate that the dynamic parametrical model of nonlinear systems, which depends on the PRESS-basedEFOR, can accurately predict the output response, thus providing a theoretical basis for the optimal

Keywords： MDOF     dynamic parametrical model     NARX model     PRESS-based EFOR     cantilever beam    

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Ecological security evaluation of Africa

Huihui WEI, Wenjuan ZHANG, Feng ZHANG, Guojun SUN

Frontiers of Agricultural Science and Engineering 2020, Volume 7, Issue 4,   Pages 467-477 doi: 10.15302/J-FASE-2020320

Abstract: comprehensively reflects the heath and integrity of an ecosystem, and it is broadly defined as the security stateHowever, there is a lack of information on the ecological security state of the continent as a whole.In this study, we constructed an evaluation system based on a pressure-state-response model and evaluatedthe ecological security state of all 54 African countries.The results showed that, at the national level, the ecological security state of the countries in Africa

Keywords： Africa     ecological security     evaluation system     PSR model    

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Development of a constitutive model for rockfills and similar granular materials based on the disturbedstate concept

Mehdi VEISKARAMI, Ali GHORBANI, Mohammadreza ALAVIPOUR

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 4,   Pages 365-378 doi: 10.1007/s11709-012-0178-2

Abstract: further, the stress-strain curve shows an elasto-plastic behavior which suggests using the disturbed stateconcept to develop a constitutive model to predict the stress-strain behavior.The presented constitutive model complies reasonably with the experimental data.

Keywords： constitutive model     granular material     rockfill     plasticity     disturbed state concept     stress level    

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Computational studies on the seismic response of the State Route 99 bridge in Seattle with SMA/ECC plastic

Jiping GE, M. Saiid SAIIDI, Sebastian VARELA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1,   Pages 149-164 doi: 10.1007/s11709-018-0482-6

Abstract: This paper reports a computational study on the seismic response of a three-span highway bridge systemA three-dimensional computational model capturing the nonlinear constitutive response of the novel materialsand the effects of dynamic soil-structure interaction was developed to assess the seismic response of

Keywords： seismic design     analytical simulation     near-fault earthquakes     shape memory alloy     engineered cementitious composite     self-centering    

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Machine learning and neural network supported state of health simulation and forecasting model for lithium-ion

Frontiers in Energy doi: 10.1007/s11708-023-0891-7

Abstract: analyses the application of machine learning (ML), one of the many branches of AI, to lithium-ion battery stateReports so far have shown that the utilization of NN to model the SOH of lithium-ion batteries has theby, first, utilizing more field data to play a more practical role in health feature screening and model

Keywords： machine learning     lithium-ion battery     state of health     neural network     artificial intelligence    

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An operating state estimation model for integrated energy systems based on distributed solution

Dengji ZHOU, Shixi MA, Dawen HUANG, Huisheng ZHANG, Shilie WENG

Frontiers in Energy 2020, Volume 14, Issue 4,   Pages 801-816 doi: 10.1007/s11708-020-0687-y

Abstract: In this paper, the mathematical model of the electricity-gas interconnected integrated energy systemand its state estimation method are studied.simulation model is proposed.A simulation model of an electricity-gas interconnected integrated energy system verifies the efficiencyand accuracy of the state estimation method proposed in this paper.

Keywords： integrated energy system     state estimation     electricity-gas coupling energy system     nonlinear coupling     distributed    

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New model of load transfer function for pile analysis based on disturbed state model

LIU Qijian, YANG Linde, WU Jun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 443-447 doi: 10.1007/s11709-007-0060-9

Abstract: Based on the disturbed state concept (DSC), a new model of load transfer function for pile analysis ispile and soil can be treated as a mixture of two constituent parts, which are in intact or critical stateIn the model, shear intensity of elements in an intact state are simulated by Duncan-Zhang model andthat in a critical state by Mohr-Coulomb criterion.So the proposed model in this paper is easy to be used in engineering practice.

Keywords： hardening     homogenization     displacement     engineering     Duncan-Zhang    

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Development and application of a random walk model of atmospheric diffusion in the emergency response

CHI Bing, LI Hong, FANG Dong

Frontiers in Energy 2007, Volume 1, Issue 2,   Pages 195-201 doi: 10.1007/s11708-007-0025-7

Abstract: concentration prediction is one of the main contents of radioactive consequence assessment for early emergency responseRandom characteristics of atmospheric diffusion itself was described, a random walk model of atmosphericdiffusion (Random Walk) was introduced and compared with the Lagrangian puff model (RIMPUFF) in theThe random walk model for atmospheric diffusion can simulate the atmospheric diffusion in case of nuclear

Keywords： RODOS     concentration prediction     information     nuclear     RIMPUFF    

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Enhancement of the polynomial functions response surface model for real-time analyzing ozone sensitivity

Jiangbo Jin, Yun Zhu, Jicheng Jang, Shuxiao Wang, Jia Xing, Pen-Chi Chiang, Shaojia Fan, Shicheng Long

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 2, doi: 10.1007/s11783-020-1323-0

Abstract: Abstract • The calculation process and algorithm of response surface model (RSM) were enhanced. • TheAn Enhanced polynomial functions Response Surface Model (Epf-RSM) with the capability to analyze O3-NOx-VOCreal time was developed by integrating the hill-climbing adaptive method into the optimized Extended ResponseSurface Model (ERSM) system.

Keywords： Response surface model     Hill-climbing algorithm     Ozone pollution     Precursor emissions     Control strategy    

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Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 1,   Pages 116-126 doi: 10.1007/s11709-010-0014-5

Abstract: strain had been improved to a certain degree on the basic of widely used Hardin-Drnevich constitutive modelThen a new model that could consider confining pressure effect has been established.The results show that, the new model can fit the test data well under various confining pressures.A corresponding computational procedure was compiled and applied in the dynamic response analysis ofComparing the calculation results between the new constitutive model and the ordinary Hardin-Drnevich

Keywords： confining pressure effect     high rockfill dam     dynamic response     Hardin-Drnevich constitutive model    

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New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Frontiers in Energy 2008, Volume 2, Issue 4,   Pages 541-549 doi: 10.1007/s11708-008-0077-3

Abstract: A novel response surface model is proposed which regards the objective distribution function in the vicinityof a sample as normal school, and then generates the response surface function in the whole design spaceBased on this model, a numerical aerodynamic optimization platform for the axial compressor 2D blade

Keywords： definition     objective distribution     fitting precision     combination     numerical aerodynamic    

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Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 3,   Pages 237-251 doi: 10.1007/s11709-014-0242-1

Abstract: Geotechnical uncertainties may play crucial role in response prediction of a structure with substantialSince the behavior of a soil-foundation system may significantly alter the response of the structureThe present work intends to investigate the effect of soil and model parameter uncertainty on the responseThe sensitivity of both soil and model input parameters on shallow foundation responses are investigatedhighly sensitive soil parameters, such as friction angle, Poisson’s ratio and shear modulus, rather than model

Keywords： shallow foun dation     sensitivity analysis     centrifuge data     first-order-second-moment (FOSM) method     parameter uncertainty    

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Research on the railway construction process quality model based on the state-space method

Lu Shoudong,Zhou Guohua,Chen Haifeng and Zhao Guotang

Strategic Study of CAE 2014, Volume 16, Issue 3,   Pages 64-69

Abstract:

In the ISO9000“input- output”process model，the concept of process quality is difficultpaper puts forward the scientific meaning of the concept of process quality and the process quality model

Keywords： railway construction project     “white box”model     state transition equation     process quality    

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The estimation for state of cable based on improved Weibull distribution model

Zhang Tieyan,Wang Chengmin,Sun Qiuye,Zhang Huaguang

Strategic Study of CAE 2008, Volume 10, Issue 10,   Pages 42-46

Abstract:

The estimation for state of cable is significant to state of cable managementThe famous methods for state estimation of cable are Weibull distribution model and Arrhenius method.A method for measurement of Arrhenius model activation energy is presented.And the Weibull distribution model is used for state estimation of cable.The simulation based on overhaul data, test data and monitor data of the cables for Arrhenius model shows

Keywords： cable     state estimation     Arrhenius model     Weibull distribution    

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Title Author Date Type Operation

Research on port ecological suitability evaluation index system and evaluation model

Yaofeng XIE,Xia LV,Ru LIU,Liuyan MAO,Xiaoxi LIU

Journal Article

PRESS-based EFOR algorithm for the dynamic parametrical modeling of nonlinear MDOF systems

Haopeng LIU, Yunpeng ZHU, Zhong LUO, Qingkai HAN

Journal Article

Ecological security evaluation of Africa

Huihui WEI, Wenjuan ZHANG, Feng ZHANG, Guojun SUN

Journal Article

Development of a constitutive model for rockfills and similar granular materials based on the disturbedstate concept

Mehdi VEISKARAMI, Ali GHORBANI, Mohammadreza ALAVIPOUR

Journal Article

Computational studies on the seismic response of the State Route 99 bridge in Seattle with SMA/ECC plastic

Jiping GE, M. Saiid SAIIDI, Sebastian VARELA

Journal Article

Machine learning and neural network supported state of health simulation and forecasting model for lithium-ion

Journal Article

An operating state estimation model for integrated energy systems based on distributed solution

Dengji ZHOU, Shixi MA, Dawen HUANG, Huisheng ZHANG, Shilie WENG

Journal Article

New model of load transfer function for pile analysis based on disturbed state model

LIU Qijian, YANG Linde, WU Jun

Journal Article

Development and application of a random walk model of atmospheric diffusion in the emergency response

CHI Bing, LI Hong, FANG Dong

Journal Article

Enhancement of the polynomial functions response surface model for real-time analyzing ozone sensitivity

Jiangbo Jin, Yun Zhu, Jicheng Jang, Shuxiao Wang, Jia Xing, Pen-Chi Chiang, Shaojia Fan, Shicheng Long

Journal Article

Confining pressure effect on dynamic response of high rockfill dam

Xuexing CAO, Yunlong HE, Kun XIONG,

Journal Article

New response surface model and its applications in aerodynamic optimization of axial compressor blade

LIU Xiaojia, NING Fangfei

Journal Article

Shallow foundation response variability due to soil and model parameter uncertainty

Prishati RAYCHOWDHURY,Sumit JINDAL

Journal Article

Research on the railway construction process quality model based on the state-space method

Lu Shoudong,Zhou Guohua,Chen Haifeng and Zhao Guotang

Journal Article

The estimation for state of cable based on improved Weibull distribution model

Zhang Tieyan,Wang Chengmin,Sun Qiuye,Zhang Huaguang

Journal Article