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Adaptive selective ES-FEM limit analysis of cracked plane-strain structures

H. NGUYEN-XUAN,T. RABCZUK

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4, Pages 478-490 doi: 10.1007/s11709-015-0317-7

Abstract: paper presents a simple and efficient approach for predicting the plastic limit loads in cracked plane-strainThe master level handles an adaptive primal-mesh process through a dissipation-based indicator.Applying a strain smoothing projection to the strain rates on the dual mesh, the incompressibility constraintand the flow rule constraint are imposed over the edge-based smoothing domains and everywhere in the

Keywords： cracked structure limit analysis von Mises criterion edge-based strain smoothing second-order cone programming

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The smoothed finite element method (S-FEM): A framework for the design of numerical models for desired solutions

Gui-Rong Liu

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 456-477 doi: 10.1007/s11709-019-0519-5

Abstract: It has a family of models carefully designed with innovative types of smoothing domains.

Keywords： computational method finite element method smoothed finite element method strain smoothing technique smoothing domain weakened weak form solid mechanics softening effect upper bound solution

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Concepts and implementation of strain-based criteria in design codes for steel structures

Reidar BJORHOVDE

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3, Pages 210-216 doi: 10.1007/s11709-012-0165-7

Abstract: If stresses or forces are needed, these are easily determined by the value of the strain and the relevant

Keywords： steel stress-strain characteristics tension test strain design actual behavior improved design codes

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Real-time task processing method based on edge computing for spinning CPS

Shiyong YIN, Jinsong BAO, Jie LI, Jie ZHANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3, Pages 320-331 doi: 10.1007/s11465-019-0542-1

Abstract: This paper presents an edge computing-based method that is different from traditional centralized cloudEdge computing nodes, real-time tasks, and edge computing resources are defined.A system model is established, and a real-time task processing method is proposed for the edge computingExperimental results indicate that the proposed real-time task processing method based on edge computing

Keywords： edge computing real-time task scheduling CPS spinning

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Smoothing ramp events in wind farm based on dynamic programming in energy internet

Jiang LI, Guodong LIU, Shuo ZHANG

Frontiers in Energy 2018, Volume 12, Issue 4, Pages 550-559 doi: 10.1007/s11708-018-0593-8

Abstract: This paper proposes a dynamic programming method in smoothing ramp events.The results show that the dynamic programming method proposed is effective for smoothing wind power and

Keywords： energy internet wind power ramp events dynamic programming

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Application of a Novel Fuzzy Clustering Method Based on Chaos Immune Evolutionary Algorithm for Edge

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1, Pages 85-89 doi: 10.1007/s11465-005-0023-6

Abstract:

A novel fuzzy clustering method based on chaos immune evolutionary algorithm (CIEFCM) is presentedto solve fuzzy edge detection problems in image processing.The experimental results show that the method not only can correctly detect the fuzzy edge and exiguousedge but can evidently improve the searching efficiency of fuzzy clustering algorithm based on IEA.

Keywords： disturbance amplitude disturbance diversity generation processing

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FEM-based strain analysis study for multilayer sheet forming process

Rongjing ZHANG,Lihui LANG,Rizwan ZAFAR

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4, Pages 373-379 doi: 10.1007/s11465-015-0371-9

Abstract: To further explore the novel method, this study conducts a finite element method-based (FEM-based) strain

Keywords： finite element method (FEM) strain analysis multilayer sheet forming

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Multiple damage detection in complex bridges based on strain energy extracted from single point measurement

Alireza ARABHA NAJAFABADI, Farhad DANESHJOO, Hamid Reza AHMADI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 3, Pages 722-730 doi: 10.1007/s11709-020-0624-5

Abstract: Strain Energy of the structure can be changed with the damage at the damage location.The use of modal-based methods to identify damage in complex bridges is always associated with problemsThen two damage detection indicators were developed based on strain energy variations.Indicators of the strain energy extracted from displacement influence line and the strain energy extracted

Keywords： damage detection strain energy influence line complex bridges rotation displacement

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A three-dimensional two-level gradient smoothing meshfree method for rainfall induced landslide simulations

Dongdong WANG, Jiarui WANG, Junchao WU, Junjun DENG, Ming SUN

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2, Pages 337-352 doi: 10.1007/s11709-018-0467-5

Abstract: A three-dimensional two-level gradient smoothing meshfree method is presented for rainfall induced landslideThe two-level gradient smoothing for meshfree shape function is elaborated in the three-dimensional LagrangianIt is shown that due to the successive gradient smoothing operation without the requirement of derivativeThe effectiveness of the present three-dimensional two-level gradient smoothing meshfree method is demonstrated

Keywords： meshfree method landslide rainfall three-dimensional two-level gradient smoothing nodal integration

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Research of the Exponential Smoothing Technology forForecasting Slope Displacement

Shen Liangfeng

Strategic Study of CAE 2007, Volume 9, Issue 6, Pages 94-97

Abstract:

Exponential smoothing is an efficient method for forecasting and decision-making The forecasting model of exponential smoothing to forecast the displacement at Observation PointAccording to the characteristics of observation forecast formula with linear trend of the twice exponential smoothing, appropriate formulae calculating at, bt and suitable exponential smoothing value are selected

Keywords： exponential smoothing forecasting slope displacement self-adaptive filtering

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Edge preparation methods for cutting tools: a review

Frontiers of Mechanical Engineering 2023, Volume 18, Issue 4, doi: 10.1007/s11465-023-0766-y

Abstract: Edge preparation can remove cutting edge defects, such as burrs, chippings, and grinding marks, generatedVarious edge preparation methods have been proposed for different tool matrix materials, geometries,cutting edge with cutting performance, are briefly introduced.Then, edge preparation methods for cutting tools, in which materials at the cutting edge area are removedFinally, the future development direction of tool edge preparation technology is prospected.

Keywords： edge preparation method preparation principle cutting edge geometry edge characterization tool performance

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Surficial stability analysis of soil slope under seepage based on a novel failure mode

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3, Pages 712-726 doi: 10.1007/s11709-021-0729-5

Abstract: Normally, the edge effects of surficial landslides are not considered in the infinite slope method forstress state and discrimination equation of an infinite slope under saturated seepage flow were analyzed basedAccordingly, based on the limit equilibrium analysis, a semi-analytical framework considering the edgeSubsequently, the new failure mode was verified via a numerical finite element analysis based on theThe results show that the infinite slope tends to be conservative because the edge effect is neglected

Keywords： soil slope seepage surficial failure mode stress state edge effects

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Structural design of morphing trailing edge actuated by SMA

Qi WANG, Zhiwei XU, Qian ZHU

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3, Pages 268-275 doi: 10.1007/s11465-013-0261-y

Abstract:

In this paper, the morphing trailing edge is designed to achieve the up and down deflection underlayout programs, a solid model is created in CATIA and the structures of the morphing wing trailing edgeand control system is designed to accomplish the controlling experiment of the morphing wing trailing edgeAt last, via the force analysis, the trailing edge is fabricated with four sections of aluminum alloyless than 4% and response time is less than 6.7 s, the precise controlling of the morphing trailing edge

Keywords： morphing wing trailing edge shape memory alloy digital signal processor PID algorithm

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Frequencies of circular plate with concentric ring and elastic edge support

Lokavarapu Bhaskara RAO,Chellapilla Kameswara RAO

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2, Pages 168-176 doi: 10.1007/s11465-014-0299-5

Abstract:

Exact solutions for the flexural vibrations of circular plates having elastic edge conditions along

Keywords： circular plate frequency elastic edge rigid ring mode switching

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Knife-edge technique for laser cooling

WANG Zhanshan, MA Shanshan, MA Yan, ZHAO Min, LIU Hengbiao

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4, Pages 468-473 doi: 10.1007/s11465-007-0081-z

Abstract: In the application of knife-edge technique, the temperature of atoms through laser cooling was measuredKnife-edge technique can measure the temperature of an atomic beam through laser cooling.

Keywords： knife-edge technique uniformity coupled transfer fluorescent