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A model for creep life prediction of thin tube using strain energy density as a function of stress triaxialityunder quasi-static loading employing elastic-creep & elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 2, Pages 181-186 doi: 10.1007/s11465-013-0257-7

Abstract:

This paper demonstrates the application of a new multiaxial creep damage model developed by authorsFor comparison, an elastic-creep and elastic-plastic-creep finite element analysis (FEA) is performed

Keywords： elastic-creep elastic-plastic-creep stress triaxiality life prediction pressure vessels finite element

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Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3, Pages 297-307 doi: 10.1007/s11709-012-0162-x

Abstract: In the past, for simplification, creep behavior was not taken into account in research on the resistanceHowever, it was demonstrated that the effect of creep is considerable at temperatures that commonly reachThe geometric nonlinearity, material nonlinearity, high temperature creep, and temperature rate of changeFurthermore, it is demonstrated that the deflection at the midpoint of the steel beam, considering creepbehavior, is approximately 13% larger than for the situation in which creep is ignored.

Keywords： creep plane steel frame fire finite element method geometric nonlinearity

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Elevated temperature creep model of parallel wire strands

Frontiers of Structural and Civil Engineering Pages 1060-1071 doi: 10.1007/s11709-023-0981-y

Abstract: Under fire conditions, significant creep effects occur, reducing the prestress and influencing the mechanicalAs there is no existing approach to analyze their creep behavior, this study experimentally investigatedthe elevated temperature creep model of PWSs.It was concluded that the temperature level had a more significant effect on the creep strain than thestress level, and 450 °C was the key segment point where the creep rate varied significantly.

Keywords： parallel wire strands experimental study elevated temperature creep model

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Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2, Pages 234-239 doi: 10.1007/s11709-009-0020-7

Abstract: Based on the concrete creep and shrinkage calculation formula in American Concrete Institute (ACI) code, with the assumption that loads are increased linearly in members, the creep and shrinkage effects ofThe effects of steel ratio on members creep are analyzed by age-adjusted module method (AEMM).

Keywords： creep shrinkage construction process hybrid-structure

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Space-time evolution rules study on acoustic emission location in rock under cyclic loading

Jiang XU, Shuchun LI, Yunqi TAO, Yongdong JIANG, Xiaojun TANG,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 4, Pages 422-427 doi: 10.1007/s11709-009-0056-8

Abstract: that AE on static loading process is consistent with the damage evolution rule of compression and the elastic-plastic

Keywords： location result AE location consistent friction elastic-plastic deformation

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Creep-fatigue crack growth behavior in GH4169 superalloy

Dianyin HU, Xiyuan WANG, Jianxing MAO, Rongqiao WANG

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 3, Pages 369-376 doi: 10.1007/s11465-018-0489-7

Abstract: This study aims to examine the crack growth behavior of turbine disc GH4169 superalloy under creep-fatigueThe grain boundaries oxidize during the dwell process, thereby inducing an intergranular creep-fatigueobservation confirmed that the small grain size and high volume fraction of the d phase led to a fast creep-fatigue

Keywords： crack growth rate creep-fatigue GH4169 superalloy CT specimen dwell time

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Moving policy and regulation forward for single-use plastic alternatives

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 3, doi: 10.1007/s11783-021-1423-5

Abstract: The innovation of sustainable and environmentally friendly single-use plastic alternative materials andThe development of single-use plastic alternative products can be promoted fundamentally only by improving

Keywords： Single-use plastic alternatives Policy Regulation Sustainable development

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Creep life assessment of aero-engine recuperator based on continuum damage mechanics approach

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0702-6

Abstract: The creep life of an aeroengine recuperator is investigated in terms of continuum damage mechanics byThe effects of the manifold wall thickness and creep properties of brazing filler metal on the operatingDecreasing the minimum creep strain rate with the enhancement of the creep strength of the brazing fillermetal presents an obvious effect on the creep life of the recuperator.between the minimum creep rate of the filler and base metal is reduced by 20%.

Keywords： creep life assessment brazed joint continuum damage mechanics aeroengine recuperator

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Nonlinear dynamic analysis for elastic robotic arms

M. H. KORAYEM, H. N. RAHIMI

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 2, Pages 219-228 doi: 10.1007/s11465-011-0218-y

Abstract:

The aim of the paper is to analyze the nonlinear dynamics of robotic arms with elastic links and joints

Keywords： robotic arms elastic link elastic joint nonlinear dynamics optimal control

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Out-of-plane elastic buckling load and strength design of space truss arch with a rectangular section

Senping WANG; Xiaolong LIU; Bo YUAN; Minjie SHI; Yanhui WEI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 9, Pages 1141-1152 doi: 10.1007/s11709-022-0866-5

Abstract: The calculation formula of out-of-plane elastic buckling loads of the space truss arch is derived basedbe used for the calculation of the arch with a small rise-span ratio, the formula for out-of-plane elastic

Keywords： torsional stiffness strength design elastic buckling space truss arches out-of-plane

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A comparative study of the mechanical properties, fracture behavior, creep, and shrinkage of chemically

Mahdi AREZOUMANDI, Mark EZZELL, Jeffery S VOLZ

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 1, Pages 36-45 doi: 10.1007/s11709-014-0243-0

Abstract: results of an experimental investigation that compares the mechanical properties, fracture behavior, creepthat the SCC and CC mixes had virtually identical tensile splitting strengths, flexural strengths, creep

Keywords： admixture conventional concrete (CC) creep fracture mechanic mechanical Properties self-consolidating

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Experimental research on the creep behavior and bearing capacity of repeatedly prestressed concrete beam

SHAO Xudong, LI Lifeng, YANG Jianjun

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3, Pages 305-311 doi: 10.1007/s11709-007-0040-0

Abstract: Furthermore, a kind of computational formula to calculate creep strain and deformation due to repeated

Keywords： computational cracking technology prestressed concrete application prospect

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Effects of elastic support on the dynamic behaviors of the wind turbine drive train

Shuaishuai WANG, Caichao ZHU, Chaosheng SONG, Huali HAN

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 3, Pages 348-356 doi: 10.1007/s11465-017-0420-7

Abstract: A three-point elastic support, which includes the main bearing and two torque arms, was considered inThen, the dynamic behaviors of the drive train for different elastic support parameters were computedFrequency response functions were used to examine how different elastic support parameters influenceResults showed that the elastic support parameters considerably influenced the dynamic behaviors of theThe findings of this study provide the foundation for optimizing the elastic support stiffness of the

Keywords： wind turbine drive train elastic support dynamic behavior frequency response function

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Creep and recovery behaviors of magnetorheological elastomers

Weihua LI, Yang ZHOU, Tongfei TIAN, Gursel ALICI,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 341-346 doi: 10.1007/s11465-010-0096-8

Abstract: This paper presents experimental and modeling study of creep and recovery behaviors of magneto-rheologicalThe effects of the magnetic field and stress on MRE creep behaviors were discussed.Moreover, a four-parameter viscoelastic model was developed to describe MRE creep behaviors.between the experimental results and the modeling predictions indicates that the model can predict MRE creep

Keywords： magneto-rheological elastomers (MREs) creep recovery linear viscoelastic model

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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 alongfrequency parameter for the considered circular plate are computed for different sets of values of elastic

Keywords： circular plate frequency elastic edge rigid ring mode switching

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Title Author Date Type Operation

A model for creep life prediction of thin tube using strain energy density as a function of stress triaxialityunder quasi-static loading employing elastic-creep & elastic-plastic-creep deformation

Tahir MAHMOOD, Sangarapillai KANAPATHIPILLAI, Mahiuddin CHOWDHURY

Journal Article

Finite element analysis of creep for plane steel frames in fire

Hui ZHU, Yuching WU

Journal Article

Elevated temperature creep model of parallel wire strands

Journal Article

Effect of concrete creep and shrinkage on tall hybrid-structures and its countermeasures

Pusheng SHEN, Hui FANG, Xinhong XIA

Journal Article

Space-time evolution rules study on acoustic emission location in rock under cyclic loading

Jiang XU, Shuchun LI, Yunqi TAO, Yongdong JIANG, Xiaojun TANG,