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Scaled boundary finite element method with exact defining curves for two-dimensional linear multi-field

Jaroon RUNGAMORNRAT, Chung Nguyen VAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 1, Pages 201-214 doi: 10.1007/s11709-018-0488-0

Abstract: The scaled boundary finite element formulation is established in a general framework allowing single-fieldand multi-field problems, bounded and unbounded bodies, distributed body source, and general boundary

Keywords： multi-field problems defining curve exact geometry general boundary conditions SBFEM

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Review of pantograph and catenary interaction

Weihua ZHANG, Dong ZOU, Mengying TAN, Ning ZHOU, Ruiping LI, Guiming MEI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2, Pages 311-322 doi: 10.1007/s11465-018-0494-x

Abstract: In addition, developing a computational platform that accommodates environmental interferences and multi-field

Keywords： pantograph and catenary interaction contact force variation moving load problem mechanical impedance multi-field

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Research Progress of Design Theory and Simulation of Composite Components

Tao Ran, He Chunwang, Luo Junrong, Mao Yiqi, Ma Lianhua

Strategic Study of CAE 2023, Volume 25, Issue 1, Pages 121-130 doi: 10.15302/J-SSCAE-2023.07.008

Abstract: and proposes the key directions in China：design theory of composite components under extreme and multi-fieldWe suggest that research should be conducted on multi-field and multi-scale design technology of

Keywords： composite material components multi-field and multi-scale design dynamic design data-driven simulation

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Multi-aperture optical imaging systems and their mathematical light field acquisition models Review Article

Qiming QI, Ruigang FU, Zhengzheng SHAO, Ping WANG, Hongqi FAN

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 6, Pages 823-844 doi: 10.1631/FITEE.2100058

Abstract: ., to yield a high-resolution image or an image with a large field-of-view.These mathematical models provide methods for calculating the key indexes of a specific , such as the field-of-view

Keywords： Multi-aperture optical imaging system Artificial compound eye Light field camera Camera array Lightfield acquisition model

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Development of Laser Remanufacturing Technology and Application

Yao Zhehe, Yao Jianhua, Xiang Qiao

Strategic Study of CAE 2020, Volume 22, Issue 3, Pages 63-70 doi: 10.15302/J-SSCAE-2020.03.011

Abstract:

Laser remanufacturing technology, as the frontier of manufacturing technology innovation, has profoundly changed the design and operation of high-end equipment. It is a critical supporting technology for green remanufacturing and an important force to promote sustainable development of manufacturing industry. In this study, the macro-demands of laser remanufacturing technology were analyzed. The development and application status of laser remanufacturing technology were introduced in detail. The challenges in development of laser remanufacturing technology and industry were summarized. Then, the staged development goals for 2025, 2035 and 2050 were proposed. Regarding the current challenges of laser remanufacturing technology in China on special materials, core components, remanufacturing concepts and standard systems, development suggestions were proposed: strengthening the active guidance at the strategic level; constructing the genome system for laser additive remanufacturing materials; improving the standardization system and the high-level applied talent training system; increasing application promotion and guiding industry integration; establishing cooperation platforms to accelerate the innovation development of key common technology, and providing support for laser remanufacturing technology and its industrial development.

Keywords： laser remanufacturing multi-energy field on-site remanufacturing life cycle

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Recent progress in electric-field assisted combustion: a brief review

Frontiers in Energy 2022, Volume 16, Issue 6, Pages 883-899 doi: 10.1007/s11708-021-0770-z

Abstract: Among the combustion technologies, electric-field assisted combustion is an advanced techno-logy thatIn the last two decades, tremendous efforts have been made to understand electric-field assisted combustionThese findings significantly facilitate the application of electric-field assisted combustion.

Keywords： electric field combustion flame stabilization emission reduction flame propagation

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A MATLAB code for the material-field series-expansion topology optimization method

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3, Pages 607-622 doi: 10.1007/s11465-021-0637-3

Abstract: This paper presents a MATLAB implementation of the material-field series-expansion (MFSE) topo-logy optimizationThe MFSE method uses a bounded material field with specified spatial correlation to represent the structuralWith the series-expansion method for bounded fields, this material field is described with the characteristic

Keywords： MATLAB implementation topology optimization material-field series-expansion method bounded materialfield dimensionality reduction

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Field test on temperature field and thermal stress for prestressed concrete box-girder bridge

Baoguo CHEN, Rui DING, Junjie ZHENG, Shibiao ZHANG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 158-164 doi: 10.1007/s11709-009-0002-9

Abstract: A field test was conducted to investigate the distribution of temperature field and the variation ofAccording to field tests, the thermal stress incurred by hydration heat may induce temperature cracks

Keywords： box-girder bridge field test hydration heat temperature field temperature gradient thermal stress

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Energy field-assisted high-speed dry milling green machining technology for difficult-to-machine metal

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 2, doi: 10.1007/s11465-022-0744-9

Abstract: Energy field-assisted machining technology has the potential to overcome the limitations of machiningThe introduction of advanced energy-field-assisted green processing technology can improve the machinabilityThe laser energy field, ultrasonic energy field, and cryogenic minimum quantity lubrication energy fieldsFinally, the shortcomings and technical challenges of energy-field-assisted milling are summarized indetail, providing feasible ideas for realizing multi-energy field collaborative green machining of difficult-to-machine

Keywords： difficult-to-machine metal material green machining high-speed dry milling laser energy field-assistedmilling ultrasonic energy field-assisted milling cryogenic minimum quantity lubrication energy field-assisted

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Temperature field simulation of laser homogenizing equipment

Juanjuan WANG, Yunshan WANG, Fudong ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 1, Pages 49-52 doi: 10.1007/s11465-009-0005-1

Abstract: The scanning ring facula’s mathematic model is established based on the temperature field’s superposingdistribution and temperature distribution characteristics are achieved by simulating its temperature fieldBy studying the effect of parameters on the temperature field, the best parameter can be found.

Keywords： laser homogenizing technology laser scanning ring facula temperature field

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Sulige Gas Field super project

Wenrui HU, Jingwei BAO, Pengcheng JI

Frontiers of Engineering Management 2017, Volume 4, Issue 3, Pages 379-384 doi: 10.15302/J-FEM-2017107

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A FEniCS implementation of the phase field method for quasi-static brittle fracture

HIRSHIKESH, Sundararajan NATARAJAN, Ratna Kumar ANNABATTULA

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 380-396 doi: 10.1007/s11709-018-0471-9

Abstract: In the recent years, the phase field method for simulating fracture problems has received considerableThe present work discusses the implementation of the phase field method for brittle fracture within the

Keywords： phase field method FEniCS brittle fracture crack propagation variational theory of fracture

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Centrifuge model test and field measurement analysis for foundation pit with confined water

Chunlin DING , Xiaohong MENG ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3, Pages 299-304 doi: 10.1007/s11709-009-0035-0

Abstract: The similarity law of centrifuge test was developed for the seepage field and stress field of a foundationFinally, a comparative study was conducted on the test results of the pit deformation and the field measurementresults show that the pit deformation regularity of the test is basically identical with that of the fieldmeasurement, and the difference in pit deformation between the test and the field measurement is within

Keywords： foundation pit with confined water centrifuge model test seepage-stress coupling field similarity relation field measurement deformation

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Study on the measurement of temperature field using laser holographic interferometry

Jinrong ZHU, Suyi HUANG, Wei LV, Huaichun ZHOU

Frontiers in Energy 2011, Volume 5, Issue 1, Pages 120-124 doi: 10.1007/s11708-010-0107-9

Abstract: The temperature field of an axisymmetric ethylene diffusion flame is measured using laser holographicTemperature field inversion is completed with the aid of components distribution divided from numerical

Keywords： temperature field flame error analysis holographic interferometry

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Implementation aspects of a phase-field approach for brittle fracture

G. D. HUYNH, X. ZHUANG, H. NGUYEN-XUAN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 417-428 doi: 10.1007/s11709-018-0477-3

Abstract: This paper provides a comprehensive overview of a phase-field model of fracture in solid mechanics settingstandard finite element shape functions are used for both primary fields including displacements and phase field

Keywords： phase-field modeling FEM staggered scheme fracture