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Simulation study of shock wave reaction on porous materia

Xu Aiguo,Zhang Guangcai,Yu Xijun,Pan Xiaofei,Zhu Jianshi

Strategic Study of CAE 2009, Volume 11, Issue 9,   Pages 13-19

Abstract: style="text-align: justify;">Complex spatial-temporal dissipative structures occur in shocked porous materialsimulation and data analysis for such a system are challenging.The system was simulated by using the material-pointmethod which was developed recently.of "hot-spots"  in space was pointed out.The shock wave reaction with inhomogeneous material

Keywords： shock wave     porous material     material-point-method     morphological characterization    

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Trajectory planning of mobile robots using indirect solution of optimal control method in generalizedpoint-to-point task

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 23-28 doi: 10.1007/s11465-012-0304-9

Abstract: To solve the problem, an indirect solution of the optimal control method is employed, and conditionssimulations are performed for a nonholonomic mobile robot to illustrate effectiveness of the proposed method

Keywords： mobile robot     trajectory planning     nonlinear dynamic     optimal control    

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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 optimizationmethod.The 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 characteristicCompared with the conventional density-based method, the MFSE method decouples the topological description

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

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Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 328-337 doi: 10.1007/s11465-019-0574-6

Abstract: However, current sand mold 3D printing technology exhibits several problems, such as single-materialThis study proposes a novel high-efficiency print forming method and device for multi-material castingThe proposed method is specifically related to the integrated forming of two-way coating and printingThe integrated forming method for layered heating and roller compaction presented in this study effectivelyThe manufacture of multi-material casting molds is demonstrated on typical wheeled cast-iron parts.

Keywords： multi-material casting mold     3D printing     efficient print forming method    

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Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 442-459 doi: 10.1007/s11465-018-0488-8

Abstract:

Macro-architectured cellular (MAC) material is defined as a class of engineered materials having configurableTwo types of novel MAC materials, negative Poisson’s ratio material and biomimetic tendon reinforcedmaterial, were introduced in this study.First, a strain-based homogenization method was developed using an approach that separated the strainThe new method was then extended to a stress-based homogenization process based on the principle of virtual

Keywords： architectured material     cellular materials     multi-scale modeling     homogenization method     effective materialproperties     computational method    

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A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propanefires in open space based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 1017-1026 doi: 10.1007/s11708-020-0716-x

Abstract: to merging as the spacing decreases, which result in a complex evolution of flame height and merging pointbetween the inside and outside of the flame), a quantitative analysis of the flame height, merging pointMoreover, the multi-point source model was further improved, and radiation fraction of propane was calculated

Keywords： flame interaction     air entrainment     flame height     multi-point source model     thermal radiation    

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Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 190-200 doi: 10.1007/s11465-019-0537-y

Abstract: discoveries on manufacturing materials have encouraged researchers to investigate the appearance of materialThe bi-material and multifunctional concepts are considered for the design of a controlled piezoelectricactuator with vibration suppression by means of the topology optimization method (TOM).The bi-material piezoelectric actuator (BPEA) has its metallic host layer designed by the TOM, whichA gradient-based optimization method is applied to minimize the displacement energy output measured at

Keywords： topology optimization method     bi-material piezoactuator     active velocity feedback control     time-domain transient    

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Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material

CHEN Jiping, DING Zhiping

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 278-282 doi: 10.1007/s11465-007-0048-0

Abstract: orthotropic materials happens when applied loading deflects from the directions of the principal axes of the materialUsing the equivalent strain and equivalent stress for such material and a variable k, which is introducedasymmetrical cyclic loading on fatigue life, a low cycle fatigue (LCF) life prediction model for such materialsingle crystal materials, a subroutine to calculate the thermo elastic-plastic stress-strain of the materialThe equivalent stress and strain for a cubic single crystal material as failure parameters have the largest

Keywords： orthotropic     regression analysis     crystal material     multiaxial     prediction    

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Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 244-252 doi: 10.1007/s11709-021-0696-x

Abstract: In this paper, a coupled multi-body dynamics–discrete element method is proposed to simulate the dampingThe analyses are done by combining the discrete element method in EDEM and multi-body dynamics in ADAMS

Keywords： granular material     vibration control     discrete element method     particle damper     cable vibration    

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Steel Design by Advanced Analysis: Material Modeling and Strain Limits Research Article

Leroy Gardner, Xiang Yun, Andreas Fieber, Lorenzo Macorini

Engineering 2019, Volume 5, Issue 2,   Pages 243-249 doi: 10.1016/j.eng.2018.11.026

Abstract: local buckling can be mimicked effectively in beam elements by incorporating the continuous strength methodFurthermore, by performing an advanced analysis that accounts for both geometric and material nonlinearitiesharnessed, provided a suitably accurate stress–strain relationship is adopted; a quad-linear material

Keywords： Advanced analysis     Continuous strength method     Local buckling     Material modeling     Strain limits    

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Application of the expanded distinct element method for the study of crack growth in rock-like materials

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 2,   Pages 121-131 doi: 10.1007/s11709-012-0151-0

Abstract: The expanded distinct element method (EDEM) was used to investigate the crack growth in rock-like materials

Keywords： expanded distinct element method (EDEM)     crack growth     rock-like material     tensile-shear failure criterion    

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Bio-inspired heuristics hybrid with interior-point method for active noise control systems without identification None

Muhammad Asif Zahoor RAJA, Muhammad Saeed ASLAM, Naveed Ishtiaq CHAUDHARY, Wasim Ullah KHAN

Frontiers of Information Technology & Electronic Engineering 2018, Volume 19, Issue 2,   Pages 246-259 doi: 10.1631/FITEE.1601028

Abstract: ANC) systems using an evolutionary computing technique based on genetic algorithms (GAs) and interior-pointmethod (IPM), following an integrated approach, GA-IPM.The design method is evaluated using an ANC model of a headset with sinusoidal, random, and complex random

Keywords： control (ANC)     Filtered extended least mean square (FXLMS)     Memetic computing     Genetic algorithms     Interior-pointmethod    

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STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 4,   Pages 503-509 doi: 10.15302/J-FASE-2023528

Abstract:

STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Keywords： GREEN     AGRICULTURAL     PROMOTE     POLLUTION     SOURCE     DEVELOPMENT     POINT     STRENGTHENING     CONTROL    

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Liquid metal material genome: Initiation of a new research track towards discovery of advanced energy

Lei WANG, Jing LIU

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 317-332 doi: 10.1007/s11708-013-0271-9

Abstract: With many superior physical properties over conventional fluids, the low melting point liquid metal materialshortage of the materials and species available to meet the tough requirements such as cost, melting pointto discover advanced new functional alloys with low melting point so as to fulfill various increasingare too scarce to perform a regular treatment, the combination of FP calculation, cluster variation method(CVM) or molecular dynamics (MD), and CALPHAD, referred to as the mixed FP-CVM-CALPHAD method can be

Keywords： liquid metal material genome     energy material     material discovery     advanced material     room-temperature liquid    

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Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 2,   Pages 141-152 doi: 10.1007/s11465-019-0531-4

Abstract: Enabled by advancements in multi-material additive manufacturing, lightweight lattice structures consistingThis work proposes a density-based robust topology optimization method for meso- or macro-scale multi-materiallattice structures under any combination of material and load uncertainties.The method utilizes a new generalized material interpolation scheme for an arbitrary number of materialsExamples of a cantilever beam lattice structure under various material and load uncertainty cases exhibit

Keywords： robust topology optimization     lattice structures     multi-material     material uncertainty     load uncertainty    

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Title Author Date Type Operation

Simulation study of shock wave reaction on porous materia

Xu Aiguo,Zhang Guangcai,Yu Xijun,Pan Xiaofei,Zhu Jianshi

Journal Article

Trajectory planning of mobile robots using indirect solution of optimal control method in generalizedpoint-to-point task

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Journal Article

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

Journal Article

Digital high-efficiency print forming method and device for multi-material casting molds

Zhongde SHAN, Zhi GUO, Dong DU, Feng LIU, Wenjiang LI

Journal Article

Macro-architectured cellular materials: Properties, characteristic modes, and prediction methods

Zheng-Dong MA

Journal Article

A method of determining flame radiation fraction induced by interaction burning of tri-symmetric propanefires in open space based on weighted multi-point source model

Jie JI, Junrui DUAN, Huaxian WAN

Journal Article

Topology optimization of piezoelectric bi-material actuators with velocity feedback control

Mariana MORETTI, Emílio C. N. SILVA

Journal Article

Evaluation method of multiaxial low cycle fatigue life for cubic single crystal material

CHEN Jiping, DING Zhiping

Journal Article

Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Journal Article

Steel Design by Advanced Analysis: Material Modeling and Strain Limits

Leroy Gardner, Xiang Yun, Andreas Fieber, Lorenzo Macorini

Journal Article

Application of the expanded distinct element method for the study of crack growth in rock-like materials

Lei YANG, Yujing JIANG, Bo LI, Shucai LI, Yang GAO

Journal Article

Bio-inspired heuristics hybrid with interior-point method for active noise control systems without identification

Muhammad Asif Zahoor RAJA, Muhammad Saeed ASLAM, Naveed Ishtiaq CHAUDHARY, Wasim Ullah KHAN

Journal Article

STRENGTHENING NON-POINT SOURCE POLLUTION CONTROL TO PROMOTE AGRICULTURAL GREEN DEVELOPMENT

Journal Article

Liquid metal material genome: Initiation of a new research track towards discovery of advanced energy

Lei WANG, Jing LIU

Journal Article

Robust topology optimization of multi-material lattice structures under material and load uncertainties

Yu-Chin CHAN, Kohei SHINTANI, Wei CHEN

Journal Article