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Thermal buckling behavior of laminated composite plates: a finite-element study

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 1,   Pages 41-49 doi: 10.1007/s11465-014-0284-z

Abstract:

In this paper, the thermal buckling behavior of composite laminated plates under a uniform temperatureof four nodes and 32 degrees of freedom (DOF), previously developed for the bending and mechanical bucklingof laminated composite plates, is extended to investigate the thermal buckling behavior of laminatedThe study showed that: 1) the critical buckling temperature generally decreases with the increasing ofthe modulus ratio EL/ET and thermal expansion ratio 

Keywords: thermal buckling     laminated composite plates     anisotropy     critical buckling temperature     finite-element method    

Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 335-343 doi: 10.1007/s11709-011-0121-y

Abstract: test and finite element analysis has been undertaken to further investigate the effects of contact bucklingboth analyses have been examined and compared to data established from previous studies on contact bucklingThe result of the investigation has confirmed contact buckling theories and has foreshadowed the onsetof the newly observed phenomenon of secondary contact buckling.

Keywords: compressive     buckling     thin steel skins     unilateral contact     rigid constraints    

Finding buckling points for nonlinear structures by dynamic relaxation scheme

Mohammad REZAIEE-PAJAND, Hossein ESTIRI

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 1,   Pages 23-61 doi: 10.1007/s11709-019-0549-z

Abstract: Among the finding related to the structural static path are the critical and buckling points for nonlinear

Keywords: load factor     external work     dynamic relaxation     static equilibrium path     large displacement    

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 163-175 doi: 10.1007/s11709-014-0272-8

Abstract: This paper presents an investigation on the flexural-torsional buckling behavior of aluminum alloy beamsconcentrated loads, the failure pattern, load-deformation curves, bearing capacity and flexural-torsional bucklingIt is found that all the beam specimens collapsed in the flexural-torsional buckling with excessive deformationMoreover, the span, loading location and slenderness ratio influence the flexural-torsional bucklingSecondly, besides the experiments, a finite element method (FEM) analysis on the flexural-torsional buckling

Keywords: flexural-torsional buckling     aluminum alloy beams (AAB)     finite element method (FEM)     theoretical formula    

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 basedon the classical solution of out-of-plane flexural-torsional buckling loads of the solid web arch.for the calculation of the arch with a small rise-span ratio, the formula for out-of-plane elastic bucklingcomponents of space truss circular arches bear only axial force, the design formulas to prevent the local buckling

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

Probabilistic stability of uncertain composite plates and stochastic irregularity in their buckling mode

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 179-190 doi: 10.1007/s11709-022-0888-z

Abstract: mechanical properties of the composite plate were considered Gaussian random fields and their effects on the bucklingof spatially varying stochastic properties on the critical load of the plate and the irregularity of bucklingmodeling the plate properties as random fields, a significant stochastic irregularity is obtained in buckling

Keywords: composite plate     stochastic assume mode method     Karhunen−Loève theorem     polynomial chaos approach     plate buckling     irregularity in buckling mode shapes    

Fundamental buckling of circular plates with elastically restrained edges and resting on concentric rigid

Lokavarapu Bhaskara Rao, Chellapilla Kameswara Rao

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 3,   Pages 291-297 doi: 10.1007/s11465-013-0255-9

Abstract:

This work presents the existence of buckling mode switching with respect to the radius of concentricThe buckling mode may not be axisymmetric as previously assumed.The optimum radius of the concentric rigid ring support for maximum buckling load is also determined.Introducing internal rigid ring support, when placed at an optimal position increases the elastic buckling

Keywords: buckling     circular plate     elastically restrained edge     rigid ring support     mode switching    

Buckling optimization of curvilinear fiber-reinforced composite structures using a parametric level set

Frontiers of Mechanical Engineering 2024, Volume 19, Issue 1, doi: 10.1007/s11465-023-0780-0

Abstract: This study proposes a level-set-based optimization framework for maximizing the buckling load of curvilinearIn the finite element of buckling, the stiffness and geometry matrices of an element are related to theMeanwhile, the buckling resistance of the final design is significantly improved.

Keywords: buckling optimization     curvilinear fiber     composite structure     level set method     manufacturing constraint    

Experimental study on slender buckling-restrained knee braces with round steel bar cores

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 99-121 doi: 10.1007/s11709-022-0875-4

Abstract: This study aimed to investigate a novel slender buckling-restrained knee brace damper (BRKB) for weldedThe proposed BRKB adopts steel bar cores connected by a central coupler and restrained by tube bucklingThe advantages of the proposed damper include easy assembly compared to conventional buckling restrainednumber of contraction allowances, undesirable failure mechanisms that are global instability and local bucklingmetrics associated with both loading tests, such as strength capacities, strains at the cover tubes and buckling

Keywords: weld-free beam-to-column connections     moment-resisting frame     cyclic and compression loading tests     buckling-restrained    

Lateral-torsional buckling capacity assessment of web opening steel girders by artificial neural networks

Yasser SHARIFI,Sajjad TOHIDI

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 2,   Pages 167-177 doi: 10.1007/s11709-014-0236-z

Abstract: flexural torsional analysis of I-beams has been used to assess the effect of web opening on the lateral buckling) approach has been also employed to derive empirical formulae for predicting the lateral-torsional bucklingIt is found out that the proposed formulae can accurately predict residual lateral buckling capacitiesHence, the results of this study can be used for better prediction of buckling life of web opening of

Keywords: steel I-beams     lateral-torsional buckling     finite element (FE) method     artificial neural network (ANN) approach    

Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1581-1598 doi: 10.1007/s11709-022-0886-1

Abstract: Reduced web section (RWS) connections can prevent lateral-torsional buckling and web local buckling experiencedAccording to the results, RBS-ST and RW-RBS connections can decrease or even eliminate lateral-torsional bucklingand web local buckling in RBS connection.

Keywords: RBS     RBS-ST     RW-RBS     lateral-torsional buckling     cyclic performance    

Experiments on channel columns with inclined simple edge stiffeners under compression loading

WANG Chungang, ZHANG Yaochun, ZHANG Zhuangnan

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 312-321 doi: 10.1007/s11709-007-0041-z

Abstract: All three sections have certain post-buckling strength, and the failure modes of most of the specimenscontained distortional buckling.

Keywords: different     post-buckling strength     capacity     distortional buckling     Furthermore    

Exploiting Additive Manufacturing Infill in Topology Optimization for Improved Buckling Load Artical

Anders Clausen, Niels Aage, Ole Sigmund

Engineering 2016, Volume 2, Issue 2,   Pages 250-257 doi: 10.1016/J.ENG.2016.02.006

Abstract: optimization provides a means for designing infill-based components that possess a strongly improved bucklingan important inadequacy of the standard minimum compliance topology optimization approach, in which bucklingis rarely accounted for; rather, a satisfactory buckling load is usually assured through a post-processingDepending on the properties of the infill material, the buckling load may be more than four times higher

Keywords: Additive manufacturing     Infill     Topology optimization     Buckling    

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Frontiers of Mechanical Engineering 2018, Volume 13, Issue 4,   Pages 563-570 doi: 10.1007/s11465-018-0487-9

Abstract:

The thermal hydraulic (TH) behavior of coo-lant water is a key factor in the structural integrityassessments on reactor pressure vessels (RPVs) of pressurized water reactors (PWRs) under pressurized thermalanalysis with different operator action times, we also performed structural analyses for evaluating thermal-stress

Keywords: structural integrity     reactor pressure vessel     pressurized thermal shock     thermal hydraulic analysis     pressurized    

Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 129-133 doi: 10.1007/s11708-008-0029-y

Abstract: Different assessment indices for thermal environments were compared and selected for proper assessmentof indoor thermal environments. 30 subjects reported their overall thermal sensation, thermal comfort, and thermal acceptability in uniform and non-uniform conditions.However, overall thermal sensation differs from the other two indices and cannot be used as a proper

Keywords: thermal sensation     proper assessment     relationship     equivalent     thermal acceptability    

Title Author Date Type Operation

Thermal buckling behavior of laminated composite plates: a finite-element study

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Journal Article

Experimental study and numerical simulation on compressive buckling behavior of thin steel skins in unilateral

Nicholas KEAGE, Christopher MAIOLO, Rebecca PIEROTTI, Xing MA

Journal Article

Finding buckling points for nonlinear structures by dynamic relaxation scheme

Mohammad REZAIEE-PAJAND, Hossein ESTIRI

Journal Article

Flexural-torsional buckling behavior of aluminum alloy beams

Xiaonong GUO,Zhe XIONG,Zuyan SHEN

Journal Article

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

Journal Article

Probabilistic stability of uncertain composite plates and stochastic irregularity in their buckling mode

Journal Article

Fundamental buckling of circular plates with elastically restrained edges and resting on concentric rigid

Lokavarapu Bhaskara Rao, Chellapilla Kameswara Rao

Journal Article

Buckling optimization of curvilinear fiber-reinforced composite structures using a parametric level set

Journal Article

Experimental study on slender buckling-restrained knee braces with round steel bar cores

Journal Article

Lateral-torsional buckling capacity assessment of web opening steel girders by artificial neural networks

Yasser SHARIFI,Sajjad TOHIDI

Journal Article

Proposing two new methods to decrease lateral-torsional buckling in reduced beam section connections

Samira EBRAHIMI; Nasrin BAKHSHAYESH EGHBALI; Mohammad Mehdi AHMADI

Journal Article

Experiments on channel columns with inclined simple edge stiffeners under compression loading

WANG Chungang, ZHANG Yaochun, ZHANG Zhuangnan

Journal Article

Exploiting Additive Manufacturing Infill in Topology Optimization for Improved Buckling Load

Anders Clausen, Niels Aage, Ole Sigmund

Journal Article

Influence evaluation of loading conditions during pressurized thermal shock transients based on thermal-hydraulics

Jinya KATSUYAMA, Shumpei UNO, Tadashi WATANABE, Yinsheng LI

Journal Article

Assessment indices for uniform and non-uniform thermal environments

ZHANG Yufeng, SUN Shufeng, ZHAO Rongyi

Journal Article