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A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Frontiers in Energy 2009, Volume 3, Issue 4,   Pages 465-471 doi: 10.1007/s11708-009-0037-6

Abstract: By establishing a research model for aero-damping in a uniform incoming flow, the three-dimension analytical

Keywords： compressor     different     three-dimension analytical     classical     low-speed    

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Finite Layer Analysis of Three-Dimensional Biot Consolidation of Homogeneous Soils

Mei Guoxiong,Zai Jinmin,Zhao Weibing,Yin Jianhua

Strategic Study of CAE 2004, Volume 6, Issue 7,   Pages 43-47

Abstract:

This paper presents a finite layer procedure for the consolidation analysis of layered soils using a cross isotropic elastic constitutive model. The program is first verified using two published results. Then using this program, the influences of cross isotropy on the consolidation behavior are analyzed. The results obtained using the cross isotropic elastic model are compared with results using isotropic elastic model. It is found that the cross isotropy has very large influences on the consolidation behavior. Curves of the average degree of consolidation are obtained and presented in the paper, which is useful for engineering practice.

Keywords： finite layer analysis     Biot's consolidation     three-dimension     cross-an isotropic    

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Optimal slot dimension for skirt support structure of coke drums

Edward WANG, Zihui XIA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 554-562 doi: 10.1007/s11465-018-0513-y

Abstract:

The skirt-to-shell junction weld on coke drums is susceptible to fatigue failure due to severe thermal cyclic stresses. One method to decrease junction stress is to add slots near the top of the skirt, thereby reducing the local stiffness close to the weld. The most common skirt slot design is thin relative to its circumferential spacing. A new slot design, which is significantly wider, is proposed. In this study, thermal-mechanical elastoplastic 3-D finite element models of coke drums are created to analyze the effect of different skirt designs on the stress/strain field near the shell-to-skirt junction weld, as well as any other critical stress locations in the overall skirt design. The results confirm that the inclusion of the conventional slot design effectively reduces stress in the junction weld. However, it has also been found that the critical stress location migrates from the shell-to-skirt junction weld to the slot ends. A method is used to estimate the fatigue life near the critical areas of each skirt slot design. It is found that wider skirt slots provide a significant improvement on fatigue life in the weld and slot area.

Keywords： coke drum     stress analysis     cyclic stress     fatigue life     skirt slots    

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Immunometabolism: a new dimension in immunotherapy resistance

Frontiers of Medicine 2023, Volume 17, Issue 4,   Pages 585-616 doi: 10.1007/s11684-023-1012-z

Abstract: Herein, we elaborate potential mechanisms underlying immunotherapy resistance from a novel dimension

Keywords： immune cell     immunometabolism     metabolic reprogramming     immunotherapy     resistance     tumor microenvironment     immune checkpoint inhibitor    

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Diagnosis method based on wavelet coefficient scale relativity correlation dimension for fault

GU Junjie, TIAN Jin, PENG Xuezhi

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 164-168 doi: 10.1007/s11708-008-0031-4

Abstract: Correlation dimension as a tool to describe machinery condition is introduced.The correlation dimension is able to identify conditions of the fan with faults compared with the normal

Keywords： effective technology     monitoring     mechanical equipment     relativity     Correlation    

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Structural dimension optimization and mechanical response analysis of fabricated honeycomb plastic pavement

Zixuan CHEN; Tao LIU; Xiao MA; Hanyu TANG; Jianyou HUANG; Jianzhong PEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 7,   Pages 896-908 doi: 10.1007/s11709-022-0856-7

Abstract: At present, most studies focus on the performance of plastic materials, however, the dimension optimizationSeveral dimension factors were taken into consideration including the side length, rib thickness, the, 12 cm top slab,18 cm side length and 6 cm rib thickness is recommended, additionally, an external dimension

Keywords： honeycomb structure     plastic pavement     dimension optimization     mechanical response     factor significance    

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PD pattern recognition based on multi-fractal dimension in GIS

ZHANG Xiaoxing, YAO Yao, TANG Ju, ZHOU Qian, XU Zhongrong

Frontiers of Mechanical Engineering 2008, Volume 3, Issue 3,   Pages 270-275 doi: 10.1007/s11465-008-0042-1

Abstract: The multi-fractal dimension is founded on the box-counting dimension and multi-fractal theories.The box-counting dimension, multi-fractal dimension, and discharge centrobaric characteristics of the

Keywords： substation     high-speed     discharge centrobaric     network     ultra-high frequency    

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Understanding of a New Generation of Intelligent Manufacturing based on RAMI 4.0

Zhao Min

Strategic Study of CAE 2018, Volume 20, Issue 4,   Pages 90-96 doi: 10.15302/J-SSCAE-2018.04.015

Abstract:

In order to gain a deeper understanding of the significance of the Chinese Academy of Engineering's "China Intelligent Manufacturing Development Strategy Research Report Based on the New Generation of Artificial Intelligence", the author adopts the method of deconstruction and reconstruction, to analyze the Reference Architecture Model of Industrial 4.0 (RAMI 4.0) of Germany, and compared with the general architecture of intelligent manufacturing proposed in the report of the Chinese Academy of Engineering, and similarities and differences of each other are found. It is believed that the general architecture of the intelligent manufacturing in China is superior in intelligence. This is the Chinese contribution to the development of intelligent manufacturing. At the same time, the analysis deepens the understanding of the both architectures.

Keywords： cyber-physics system (CPS)     basic paradigm     new-generation artificial intelligence     architecture     technical dimension     organizational dimension     value dimension    

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Temporal dimension and water quality control in an emission trading scheme based on water environmental

Zhaoxing HAN, Zhenyao SHEN, Yongwei GONG, Qian HONG

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 1,   Pages 119-129 doi: 10.1007/s11783-011-0272-z

Abstract: study, a new emission trading scheme was addressed based on WEFZ, accounting for both the temporal dimensionproposed based on variations in the environmental capacity within a year by dividing the year into threeThe calculated temporal dimension and water quality control were located in Dongxi River of the DaningWatershed in the Three Gorges Watershed.

Keywords： emission trading     water functional zone     water quality control    

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Design and analysis of a class of redundant collaborative manipulators with 2-dimension large rotational

Xiaodong JIN, Yuefa FANG, Dan ZHANG, Xueling LUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 1,   Pages 66-80 doi: 10.1007/s11465-019-0570-x

Abstract: Translation) parallel spindle heads and the corresponding collaborative 5-axis manipulators with 2-dimensionIn order to construct 2D rotational degrees of freedom (DOF), a platform with 2-dimension revolute joints

Keywords： parallel mechanism     redundant mechanism     large rotational angles     machine tools     2R1T spindle head     collaborative manipulator    

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Study on the six dimension management method of producing technical documentation for warship maintenance

Chen Zhimin and Yang Bin

Strategic Study of CAE 2015, Volume 17, Issue 5,   Pages 83-89

Abstract:

The six dimension management method considering the characteristics of ship depot maintenance technicalTo solve these issues， a six dimension management method of request， kind example， maintain analysis，

Keywords： ship；maintenance technical documentation；six dimension management method；maintain analysis    

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Research on On-line Detecting Method and Key Technologies for Part Quality (Dimension and Surface Roughness

Chen Aidi,Wang Xinyi

Strategic Study of CAE 2000, Volume 2, Issue 12,   Pages 73-77

Abstract: technologies for part quality, based on the analysis of methods and features of on-line detecting of part dimensionand surface roughness, an artificial neural network system for on-line detecting of part dimension andThe Scheme of on-line detecting method for part quality can detect part dimension and surface roughness

Keywords： on-line detecting     neural network     fuzzy neural network     dimension precision     surface roughness    

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Networking Architecture and Slicing Technology of Space–Ground Cooperative Network Based on Full-Dimension

Li Dan, Zhu Di, Shen Juan

Strategic Study of CAE 2021, Volume 23, Issue 2,   Pages 30-38 doi: 10.15302/J-SSCAE-2021.02.005

Abstract: Subsequently, we elaborate on a typical space–ground cooperative networking architecture and full-dimensiontechnologies such as the businesson-demand intelligent slicing, data analysis and forwarding with full-dimensionsupported by technologies such as network resource management and control, network intelligence, and full-dimension

Keywords： space–ground cooperative network，intelligent network slicing，full-dimension definable，networking architecture    

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Measuring residents’ anxiety under urban redevelopment in China: An investigation of demographic variables

Jinbo SONG, Chen QIAN, Zhuo FENG, Liang MA

Frontiers of Engineering Management 2021, Volume 8, Issue 1,   Pages 48-59 doi: 10.1007/s42524-020-0131-3

Abstract: Residents’ concerns and feelings play pivotal roles in smoothly promoting urban redevelopment. Anxiety, as an intuitive feeling toward uncertainties, generally exists among residents who are confronted with redevelopment, and this feeling has gradually attracted scholars’ attention. However, relatively few studies have focused on the multidimensional view of this concept and its influencing factors. Drawing upon a large-scale questionnaire survey conducted in 13 pilot areas in China, this study refines and verifies five prominent dimensions of anxiety, namely, housing conditions, monetary compensation, public services, life adaptation, and public participation level, through factor analysis and one-sample -test. The finding contributes to achieving a complete understanding of anxiety, and the scales developed for measuring these dimensions lay the foundation for further empirical studies on anxiety. The individual and collective effects of age, job, and region variables on anxiety dimensions are demonstrated via independent-sample -test and analysis of variance, which clarifies the formation process of anxiety and highlights the importance of these contextual variables. Tailored strategies for policymaking and engineering management, including establishing reasonable compensation standards, providing equal public services, and delivering high-quality housing, are proposed to relieve residents’ anxiety. These strategies are expected to consider further the sensitive group, such as the elderly, farmers, and casual workers.

Keywords： urban redevelopment     anxiety dimension     influencing factors     ANOVA     policymaking    

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Dynamic characteristics of an NC table with phase space reconstruction

Linhong WANG, Bo WU, Runsheng DU, Shuzi YANG

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 179-183 doi: 10.1007/s11465-009-0018-9

Abstract: Based on the theory and method for phase space reconstruction, the correlation dimension, maximum LyapunovThe characteristic quantities such as the power spectrum, phase trajectories, correlation dimension,

Keywords： NC table     chaotic characteristic     phase-space reconstruction     correlation dimension     maximum Lyapunov exponent    

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Title Author Date Type Operation

A method of analysis for modal aero-damping of vibrating blade in incompressible flow

Jun XING, Lin LI,

Journal Article

Finite Layer Analysis of Three-Dimensional Biot Consolidation of Homogeneous Soils

Mei Guoxiong,Zai Jinmin,Zhao Weibing,Yin Jianhua

Journal Article

Optimal slot dimension for skirt support structure of coke drums

Edward WANG, Zihui XIA

Journal Article

Immunometabolism: a new dimension in immunotherapy resistance

Journal Article

Diagnosis method based on wavelet coefficient scale relativity correlation dimension for fault

GU Junjie, TIAN Jin, PENG Xuezhi

Journal Article

Structural dimension optimization and mechanical response analysis of fabricated honeycomb plastic pavement

Zixuan CHEN; Tao LIU; Xiao MA; Hanyu TANG; Jianyou HUANG; Jianzhong PEI

Journal Article

PD pattern recognition based on multi-fractal dimension in GIS

ZHANG Xiaoxing, YAO Yao, TANG Ju, ZHOU Qian, XU Zhongrong

Journal Article

Understanding of a New Generation of Intelligent Manufacturing based on RAMI 4.0

Zhao Min

Journal Article

Temporal dimension and water quality control in an emission trading scheme based on water environmental

Zhaoxing HAN, Zhenyao SHEN, Yongwei GONG, Qian HONG

Journal Article

Design and analysis of a class of redundant collaborative manipulators with 2-dimension large rotational

Xiaodong JIN, Yuefa FANG, Dan ZHANG, Xueling LUO

Journal Article

Study on the six dimension management method of producing technical documentation for warship maintenance

Chen Zhimin and Yang Bin

Journal Article

Research on On-line Detecting Method and Key Technologies for Part Quality (Dimension and Surface Roughness

Chen Aidi,Wang Xinyi

Journal Article

Networking Architecture and Slicing Technology of Space–Ground Cooperative Network Based on Full-Dimension

Li Dan, Zhu Di, Shen Juan

Journal Article

Measuring residents’ anxiety under urban redevelopment in China: An investigation of demographic variables

Jinbo SONG, Chen QIAN, Zhuo FENG, Liang MA

Journal Article

Dynamic characteristics of an NC table with phase space reconstruction

Linhong WANG, Bo WU, Runsheng DU, Shuzi YANG

Journal Article