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Bridging finite element and deep learning: High-resolution stress distribution prediction in structural

Frontiers of Structural and Civil Engineering   Pages 1365-1377 doi: 10.1007/s11709-022-0882-5

Abstract: Finite-element analysis (FEA) for structures has been broadly used to conduct stress analysis of variouswas designed and trained to use the geometry, boundary conditions, and load as input to predict the stresscontours.peak error of 0.46% for the von Mises stress distribution.This study shows the feasibility and potential of using DL techniques to bypass FEA for stress analysis

Keywords： Deep Learning     finite element analysis     stress contours     structural components    

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EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Frontiers of Agricultural Science and Engineering doi: 10.15302/J-FASE-2022469

Abstract:

● Transport stress declined the level of leukocytes including lymphocytes

Keywords： intestine     nNOS     nNOS-positive neurons     transport stress    

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The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 265-269 doi: 10.1007/s11465-014-0311-0

Abstract: On the basis of the analytical model for residual stress, a series of simulations for residual stressorder to obtain the influences of cutting speed, depth of cut and tool edge radius on surface residual stressAnd these influences are explained from the perspective of formation mechanism of residual stress in

Keywords： residual stress     analytical model     strain     plastic     cutting parameter    

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Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 249-256 doi: 10.1007/s11465-014-0310-1

Abstract:

The analytical model of residual stress in orthogonal cutting proposed by Jiann is an important toolfor residual stress prediction in orthogonal cutting.In application of the model, a problem of low precision of the surface residual stress prediction is, ignorance of stress constraint and cyclic loading algorithm.At last, an experiment for measuring residual stress in cutting AISI 1045 steel is conducted.

Keywords： residual stress     analytical model     orthogonal cutting     cutting force     cutting temperature    

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Analysis on annealing-induced stress of blind-via TSV using FEM

Jie SHAO, Tielin SHI, Li DU, Lei SU, Xiangning LU, Guanglan LIAO

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 3,   Pages 401-410 doi: 10.1007/s11465-017-0457-7

Abstract: However, in TSV manufacturing, thermo-mechanical stress is induced during the annealing process, oftenTop interface stress analysis on the TSV structure shows that the curvature of via openings releasesstress concentration that leads to ~60 MPa decrease of normal stresses,  Keywords： through silicon via (TSV)     annealing-induced stress     interface stress     plastic deformation     finite element    

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An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Frontiers of Structural and Civil Engineering 2017, Volume 11, Issue 3,   Pages 301-307 doi: 10.1007/s11709-017-0404-z

Abstract: The stress distribution will significantly affect the piezoelectric material performance.When the same multi piezoelectric units work together, if the stress state of the piezoelectric unitsFor uneven stress distribution, the optimal output mode is that each of the piezoelectric units rectified

Keywords： piezoelectric transducer     uneven stress     impedance matching     optimal energy output    

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Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Strategic Study of Chinese Academy of Engineering 2009, Volume 11, Issue 8,   Pages 38-43

Abstract:

To understand the present status of the issue of H2S stressoverview containing the environment definition, test method, influence factor, evaluation standard of stresscorrosion and the material demand in H2S stress corrosion issue is accomplished.Meanwhile, a discussion of the causation, test method and elimination measure of welding residual stress

Keywords： H2S stress corrosion     operation manual     evaluation standard     welding residual stress    

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Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 354-358 doi: 10.1007/s11465-011-0123-4

Abstract:

Magnetostriction is investigated to evaluate the stress relief caused by pulsed magnetic field treatment, because this physical property is closely associated with residual stress.The stress variations caused by pulsed magnetic treatment are also compared.It is found that magnetostriction variations are closely associated with stress changes.is nearly a constant during magnetic field treatment, which is valuable for stress relief evaluation

Keywords： magnetostriction     pulsed magnetic field treatment     stress relief    

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Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 3,   Pages 294-300 doi: 10.1007/s11465-015-0351-0

Abstract: experimental and simulated results for the 1D and 2D specimens reveals that deformation and thermal stress

Keywords： in-plane     Young’s modulus     curvature temperature     thermal stress     coating    

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Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 3,   Pages 595-608 doi: 10.1007/s11709-021-0720-1

Abstract: The effective notch stress approach for evaluating the fatigue strength of rib–deck welds requires notchstress concentration factors obtained from complex finite element analysis.First, we developed a model for investigating the effective notch stress in rib–deck welds.analysis to investigate the effects of multiple geometric parameters of a rib–deck weld on the notch stressThe notch stress concentration factors estimated from the developed formulas show agree well with the

Keywords： notch stress concentration factor     rib–deck weld     parametric analysis     regression analysis     parametric    

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Ultrasonic measurement of tie-bar stress for die-casting machine

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0663-1

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Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Frontiers of Structural and Civil Engineering   Pages 239-249 doi: 10.1007/s11709-021-0804-y

Abstract: This study investigated the application of stress-dependent damping associated with vehicle-bridge couplingvibration and based on that investigation proposed the stress-dependent damping ratio.The results of the investigation show that the stress-dependent damping ratio is significantly differentThe peak accelerations using the regular damping ratio are 18.9%, 21.3%, and 14.5% of the stress-dependentThe acceleration response of the bridge which was calculated using the stress-dependent damping ratio

Keywords： vehicle-bridge vibration system     dynamic analysis     stress-dependent damping     energy dissipation    

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The stress relaxation of cement clinkers under high temperature

Xiufang WANG,Yiwang BAO,Xiaogen LIU,Yan QIU

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 413-417 doi: 10.1007/s11465-015-0357-7

Abstract: This research provides a theoretical proof for the mechanism of the stress relaxation of cement clinkersCompression stress relaxation under various high temperatures is discussed using a specially developedload cell, which can measure stress and displacement under high temperatures inside an autoclave.The cell shows that stress relaxation dramatically increases and that the remaining stress rapidly decreases

Keywords： stress relaxation     high temperature     cement clinker     compression     elastic modulus    

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Total stress rapid drawdown analysis of the Pilarcitos Dam failure using the finite element method

Daniel R. VANDENBERGE

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 115-123 doi: 10.1007/s11709-014-0249-7

Abstract: A new total stress rapid drawdown method based on finite element analysis is used to analyze the rapidpredicted for Pilarcitos Dam is sensitive to the relationship between undrained strength and consolidation stress

Keywords： rapid drawdown     finite element     total stress     slope stability    

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Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 3,   Pages 475-483 doi: 10.1007/s11465-020-0590-6

Abstract: In this study, the micro curing residual stresses of carbon fiber-reinforced thermoset polymer (CFRP) composites are evaluated using a multiscale modeling method. A thermochemical coupling model is developed at the macroscale level to obtain the distributions of temperature and degree of cure. Meanwhile, a representative volume element model of the composites is established at the microscale level. By introducing the information from the macroscale perspective, the curing residual stresses are calculated using the microscale model. The evolution of curing residual stresses reveals the interaction mechanism of fiber, matrix, and interphase period during the curing process. Results show that the curing residual stresses mostly present a tensile state in the matrix and a compressive state in the fiber. Furthermore, the curing residual stresses at different locations in the composites are calculated and discussed. Simulation results provide an important guideline for the analysis and design of CFRP composite structures.

Keywords： CFRP     curing residual stress     multiscale modeling     finite element method    

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Title Author Date Type Operation

Bridging finite element and deep learning: High-resolution stress distribution prediction in structural

Journal Article

EFFECTS OF TRANSPORT STRESS ON THE INTESTINES INVOLVING NEURONAL NITRIC OXIDE SYNTHASE

Journal Article

The formation mechanism and the influence factor of residual stress in machining

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Improved analytical model for residual stress prediction in orthogonal cutting

Zhaoxu QI,Bin LI,Liangshan XIONG

Journal Article

Analysis on annealing-induced stress of blind-via TSV using FEM

Jie SHAO, Tielin SHI, Li DU, Lei SU, Xiangning LU, Guanglan LIAO

Journal Article

An investigation on stress distribution effect on multi- piezoelectric energy harvesters

Hailu YANG, Dongwei CAO

Journal Article

Stress corrosion and residual stress of H2S in petrochemical special equipment

Zhang Yiliang,Xu Jinquan,Wang Yuci

Journal Article

Magnetostriction varieties and stress relief caused by pulsed magnetic field

Zhipeng CAI, Xinjie DUAN, Jian LIN, Haiyan ZHAO

Journal Article

Elastic modulus and thermal stress in coating during heat cycling with different substrate shapes

Daniel GAONA,Alfredo VALAREZO

Journal Article

Parametric equations for notch stress concentration factors of rib–deck welds under bending loading

Journal Article

Ultrasonic measurement of tie-bar stress for die-casting machine

Journal Article

Numerical analysis of vehicle-bridge coupling vibration concerning nonlinear stress-dependent damping

Journal Article

The stress relaxation of cement clinkers under high temperature

Xiufang WANG,Yiwang BAO,Xiaogen LIU,Yan QIU

Journal Article

Total stress rapid drawdown analysis of the Pilarcitos Dam failure using the finite element method

Daniel R. VANDENBERGE

Journal Article

Multiscale model of micro curing residual stress evolution in carbon fiber-reinforced thermoset polymer

Xinyu HUI, Yingjie XU, Weihong ZHANG

Journal Article