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Multiscale process systems engineering—analysis and design of chemical and energy systems from moleculardesign up to process optimization

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2,   Pages 137-140 doi: 10.1007/s11705-021-2135-x

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Use of gestalt in wayfinding design and analysis of wayfinding process

NIU Li, XU Leiqing, TANG Zhong

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 4,   Pages 386-390 doi: 10.1007/s11709-008-0040-8

Abstract: The authors brought forward the definition of “Gestalt space” and indicated this kind of space can be easily cognized. Three experiments showed that “classification” and “grouping” are the human strategies to solve wayfinding problems. “Similarity” and “Legibility” of the space are advantageous to help people to complete wayfinding tasks. The designer should provide the essential “Legibility” in Gestalt space, by using some techniques such as “break” and “accession” to settle the wayfinding problem.
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Development of mix design method based on statistical analysis of different factors for geopolymer concrete

Paramveer SINGH; Kanish KAPOOR

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 10,   Pages 1315-1335 doi: 10.1007/s11709-022-0853-x

Abstract: The present study proposes the mix design method of Fly Ash (FA) based geopolymer concrete using Response(sodium silicate/sodium hydroxide), NH molarity, and water/solids ratio were considered for the mix designThe 2D contour plots were used to setup the mix design method to achieve the target compressive strengthThe proposed mix design method of geopolymer concrete is divided into three categories based on curingIn addition, the factor analysis revealed that the NS/NH ratio significantly affects the compressive

Keywords： geopolymer concrete     mix design     fly ash     response surface methodology     compressive strength     stress−    

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Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 1,   Pages 21-32 doi: 10.1007/s11465-018-0512-z

Abstract: We obtained the first four moments of the state function for reliability analysis and design.This study provides a design methodology for the reliability of mechanical components for practical engineering

Keywords： machine components     reliability     arbitrary distribution parameter     principle of maximum entropy    

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A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 121-130 doi: 10.1007/s11709-015-0329-3

Abstract: This study presents a development of an advanced cyberbased database-enabled design module for low-risenew automated approach is particularly attractive and advantageous as it allows a web-based online analysis/design via intuitive user-friendly interfaces for both the input and output in terms of familiar web-style

Keywords： wind loads     low-rise building     pressure measurement     aerodynamics     building design     structural response     building    

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Fatigue and impact analysis and multi-objective optimization design of Mg/Al assembled wheel considering

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 3, doi: 10.1007/s11465-022-0701-7

Abstract: explicit riveting-implicit springback-implicit fatigue/explicit impact sequence coupling simulation analysisThe punching riveting process parameters of the assembled wheel joints were defined as design variablesThe connection-performance integration multi-objective optimization design of the assembled wheel consideringriveting residual stress was designed via Taguchi experiment, grey relational analysis, analytic hierarchyprocess, principal component analysis, and entropy weighting methods.

Keywords： magnesium/aluminum assembled wheel     riveting residual stress     fatigue analysis     impact analysis     multi-objective    

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Parametric analysis and design equation of ultimate capacity for unstiffened overlapped CHS K-joints

CHEN Yu, ZHAO Xianzhong, CHEN Yiyi

Frontiers of Structural and Civil Engineering 2008, Volume 2, Issue 2,   Pages 107-115 doi: 10.1007/s11709-008-0014-x

Abstract: The results of finite element parametric analysis indicate that the brace-to-chord thickness ratio hasFinally, based on the design equation of gap joints, a formula predicting the ultimate capacity of overlappedCHS K-joints was derived by applying multivariate regression analysis.Results from the proposed design equation are consistent with experimental results.

Keywords： regression analysis     consistent     unstiffened     plasticity     overlapped    

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Probability strength design of steam turbine blade and sensitivity analysis with respect to random parameters

DUAN Wei

Frontiers in Energy 2008, Volume 2, Issue 1,   Pages 107-115 doi: 10.1007/s11708-008-0018-1

Abstract: To improve the reliability of blade design, it is necessary to take these stochastic parameters intoAnalysis file of the blade is compiled by deterministic finite element method and applied to be loopProbability sensitivity analysis, which combines the slope of the gradient and the width of the scatterelement method, the response surface method and Monte Carlo method is an ideal way for the reliability analysisand probability strength design of the blade.

Keywords： Probability sensitivity     sensitivity analysis     number     cross-section     statistical    

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Three-dimensional electromagnetic analysis and design of permanent magnet retarder

Lezhi YE, Desheng LI, Bingfeng JIAO

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 4,   Pages 438-441 doi: 10.1007/s11465-010-0111-0

Abstract: An eddy current retarder for vehicles generates much heat when it works continuously, which leads to serious decline in braking torque. This paper proposes a novel permanent magnet retarder (PMR) for vehicles, whose cooling system connects with engine cooling-water. A three-dimensional finite element model is developed to model the electromagnetic behavior of a permanent magnet retarder under a constant speed. The magnetic field and eddy current field in PMR are numerically solved by a finite element method. By accounting for the nonlinear permeability of the rotor and the weakened effect in the magnetic field that is generated by the eddy current magnetic field, the calculation accuracy of air-gap magnetic field is enhanced. Experiment shows that the temperature of the retarder is less than 150°C, and the braking torque keeps the hard characteristics curve. The calculated air-gap magnetic flux density is fairly good agreement with the measured one.

Keywords： auxiliary brake     permanent magnet retarder     water-cooling     finite element method    

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Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2,   Pages 151-159 doi: 10.1007/s11465-011-0121-6

Abstract:

This paper presents a method for the design and analysis of reconfigurable parallel robots.systematic way of designing a reconfigurable parallel robot, but also offers a unified modeling for robot analysis

Keywords： reconfigurable parallel robot     topology morphing     group morphing    

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Design, analysis, and neural control of a bionic parallel mechanism

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 3,   Pages 468-486 doi: 10.1007/s11465-021-0640-8

Abstract: an important role in the movement coordination and versatile locomotion of mammals, the structural designBased on this structure, the rhythmic motion of the parallel mechanism is obtained by supporting state analysis

Keywords： neural control     behavior network     rhythm     motion pattern    

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Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 4,   Pages 711-725 doi: 10.1007/s11465-021-0647-1

Abstract: Thus, this paper aims to design a novel variable stiffness actuator (VSA) that can provide safer physicalVSA follows the idea of modular design, mainly including a variable stiffness module and a drive moduleThe design of the double-deck grooves in the lever allows the pivot to move freely in the groove, avoidingExperiment results show that the VSA stiffness is close to the theoretical design stiffness.

Keywords： variable stiffness actuator     variable stiffness module     drive module     symmetrical structure     double-deck grooves     expandable electrical system    

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Conceptual design and kinematic analysis of a novel parallel robot for high-speed pick-and-place operations

Qizhi MENG, Fugui XIE, Xin-Jun LIU

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 2,   Pages 211-224 doi: 10.1007/s11465-018-0471-4

Abstract:

This paper deals with the conceptual design, kinematic analysis and workspace identification of athe robot’s DOFs, a line graph method based on Grassmann line geometry is adopted in mobility analysis

Keywords： spatial parallel robot     pick-and-place operations     mobility analysis     kinematic modeling     workspace identification    

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Probabilistic analysis of secant piles with random geometric imperfections

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 682-695 doi: 10.1007/s11709-021-0703-2

Abstract: The failure to achieve minimum design overlap between secant piles compromises the ability of a structure> as random variables, Monte Carlo simulations were performed to discuss the influence of different designA design flowchart for pile spacing under the target safety level is proposed to help engineers design

Keywords： secant piles     ultrasonic cross-hole testing     probabilistic analysis     reliability-based design     random    

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Effects of design parameters on performance and cost analysis of combined ultraviolet-biofilter systems

Can WANG, Jinying XI, Hongying HU, Insun KANG

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 588-594 doi: 10.1007/s11783-012-0433-8

Abstract: A conceptual mathematical model was used to evaluate the design parameters of a combined ultraviolet(UV)-biofilter system, and perform a cost analysis.Analysis of the capital and operating costs showed that the capital costs of the standalone biofilter

Keywords： volatile organic compounds     ultraviolet (UV) photodegradation     biofilter     modeling     cost analysis    

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Title Author Date Type Operation

Multiscale process systems engineering—analysis and design of chemical and energy systems from moleculardesign up to process optimization

Journal Article

Use of gestalt in wayfinding design and analysis of wayfinding process

NIU Li, XU Leiqing, TANG Zhong

Journal Article

Development of mix design method based on statistical analysis of different factors for geopolymer concrete

Paramveer SINGH; Kanish KAPOOR

Journal Article

Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

Journal Article

A prototype online database-enabled design framework for wind analysis/design of low-rise buildings

Dae Kun KWON,Ahsan KAREEM,Deepak KUMAR,Yukio TAMURA

Journal Article

Fatigue and impact analysis and multi-objective optimization design of Mg/Al assembled wheel considering

Journal Article

Parametric analysis and design equation of ultimate capacity for unstiffened overlapped CHS K-joints

CHEN Yu, ZHAO Xianzhong, CHEN Yiyi

Journal Article

Probability strength design of steam turbine blade and sensitivity analysis with respect to random parameters

DUAN Wei

Journal Article

Three-dimensional electromagnetic analysis and design of permanent magnet retarder

Lezhi YE, Desheng LI, Bingfeng JIAO

Journal Article

Module-based method for design and analysis of reconfigurable parallel robots

Fengfeng XI, Yuwen LI, Hongbo WANG

Journal Article

Design, analysis, and neural control of a bionic parallel mechanism

Journal Article

Mechanical design and analysis of a novel variable stiffness actuator with symmetrical pivot adjustment

Journal Article

Conceptual design and kinematic analysis of a novel parallel robot for high-speed pick-and-place operations

Qizhi MENG, Fugui XIE, Xin-Jun LIU

Journal Article

Probabilistic analysis of secant piles with random geometric imperfections

Journal Article

Effects of design parameters on performance and cost analysis of combined ultraviolet-biofilter systems

Can WANG, Jinying XI, Hongying HU, Insun KANG

Journal Article