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Damage assessment of laminated composite beam structures using damage locating vector (DLV) method

T. VO-DUY,N. NGUYEN-MINH,H. DANG-TRUNG,A. TRAN-VIET,T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 4,   Pages 457-465 doi: 10.1007/s11709-015-0303-0

Abstract: (DLV) method using normalized cumulative energy ( ) is employed to locate multiple damage sites in laminatedNumerical simulations of two laminated composite beams are employed to investigate several damage scenariosThe results show that the DLV method gives good performance for this kind of structure.

Keywords: normalized cumulative energy     structural health monitoring (SHM)     damage locating vector method (DLV)     laminatedcomposite beam structure    

Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Frontiers of Structural and Civil Engineering 2019, Volume 13, Issue 2,   Pages 324-336 doi: 10.1007/s11709-018-0466-6

Abstract: In the present study, the free vibration of laminated functionally graded carbon nanotube reinforcedThe laminated beam is made of perfectly bonded carbon nanotubes reinforced composite (CNTRC) layers.shear deformation theory is used to formulate a governing equation for predicting free vibration of laminatedboundary conditions, length-to-thickness ratios and the numbers of layers on the frequencies of the laminatedMoreover, a laminated composite beam combined by various distribution types of CNTs is also studied.

Keywords: free vibration analysis     laminated FG-CNTRC beam     finite element method     first-order shear deformation theory    

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 temperaturenodes and 32 degrees of freedom (DOF), previously developed for the bending and mechanical buckling of laminatedcomposite plates, is extended to investigate the thermal buckling behavior of laminated composite platesinvestigate the effect of the anisotropy of composite materials on the critical buckling temperature of laminatedboundary conditions and the orientation angles significantly affect the critical buckling temperature of laminated

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

Stochastic analysis of laminated composite plate considering stochastic homogenization problem

S. SAKATA,K. OKUDA,K. IKEDA

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 2,   Pages 141-153 doi: 10.1007/s11709-014-0286-2

Abstract: This paper discusses a multiscale stochastic analysis of a laminated composite plate consisting of unidirectionalLaminated composites are widely used in civil engineering, and therefore multiscale stochastic analysisof laminated composites should be performed for reliability evaluation of a composite civil structureThis study deals with the stochastic response of a laminated composite plate against the microscopiccomposite structure and applicability of the sensitivity-based approach are discussed.

Keywords: stochastic homogenization     multiscale stochastic analysis     microscopic random variation     laminated composite    

Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 2,   Pages 111-119 doi: 10.1007/s11465-009-0020-2

Abstract: Laminated object manufacturing (LOM) is one of the commercialized rapid prototyping (RP) processes, where

Keywords: rapid prototyping     laminated object manufacturing     knife-cutting     tracing error    

The Mechanism of Fiber Bending and Elongation in the Integrated Piercing Process of Orthogonal Laminated

Zhu Jianxun,He Jianmin,Wang Haiyan

Strategic Study of CAE 2003, Volume 5, Issue 5,   Pages 59-62

Abstract: analyzes the interaction between woven fabric and needle in the integrated piercing process of orthogonal laminatedproposes and establishes fiber bending elongation and elongation breakage model, and talks over the structure

Keywords: integrated piercing     fiber     bending elongation     structure parameter     elongation breakage    

Optimization of the mechanical performance and damage failure characteristics of laminated composites

Frontiers of Structural and Civil Engineering   Pages 1357-1369 doi: 10.1007/s11709-023-0996-4

Abstract: In this study, the effect of fiber angle on the tensile load-bearing performance and damage failure characteristics of glass composite laminates was investigated experimentally, analytically, and numerically. The glass fabric in the laminate was perfectly aligned along the load direction (i.e., at 0°), offset at angles of 30° and 45°, or mixed in different directions (i.e., 0°/30° or 0°/45°). The composite laminates were fabricated using vacuum-assisted resin molding. The influence of fiber orientation angle on the mechanical properties and stiffness degradation of the laminates was studied via cyclic tensile strength tests. Furthermore, simulations have been conducted using finite element analysis and analytical approaches to evaluate the influence of fiber orientation on the mechanical performance of glass laminates. Experimental testing revealed that, although the composite laminates laid along the 0° direction exhibited the highest stiffness and strength, their structural performance deteriorated rapidly. We also determined that increasing the fiber offset angle (i.e., 30°) could optimize the mechanical properties and damage failure characteristics of glass laminates. The results of the numerical and analytical approaches demonstrated their ability to capture the mechanical behavior and damage failure modes of composite laminates with different fiber orientations, which may be used to prevent the catastrophic failures that occur in composite laminates.

Keywords: fiber orientation     composite laminates     stiffness degradation     analytical approaches     finite element analysis    

Finite element analysis of stress concentrations and failure criteria in composite plates with circular holes

Abdelhak KHECHAI,Abdelouahab TATI,Abdelhamid GUETTALA

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 3,   Pages 281-294 doi: 10.1007/s11465-014-0307-9

Abstract:

In this study, the stress concentration factors (SCF) in cross-and-angle-ply laminated composite plates32 degrees of freedom at each node, previously developed for the bending and mechanical buckling of laminatedcomposite plates, is used to evaluate the stress distribution in laminated composite plates with centralAdditionally, to determine the first ply failure (FPF) of laminated plate, several failure criterions

Keywords: laminated composite plates     stress concentration     geometric singularity     anisotropic effect    

A Stoneley wave method to detect interlaminar damage of metal layer composite pipe

Bing LI,Lei QIANG,Tong LU,Xu GENG,Minghang LI

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 1,   Pages 89-94 doi: 10.1007/s11465-015-0323-4

Abstract: In this paper, a Stoneley wave method is presented to detect interlaminar damage in laminated pipe structuresimulation examples demonstrate that the Stoneley wave method can better identify the interlaminar damage in laminatedpipe structure compared with Lamb waves.

Keywords: Stoneley wave     interlaminar damage     metal laminated pipe    

Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Frontiers of Environmental Science & Engineering 2021, Volume 15, Issue 6, doi: 10.1007/s11783-021-1419-1

Abstract:

• Pore structure affects biologically activated carbon performance.

Keywords: Granular activated carbon     Biologically activated carbon filter     Bacterial community structure     Porestructure    

Hierarchical fractal structure of perfect single-layer graphene

T. Zhang, K. Ding

Frontiers of Mechanical Engineering 2013, Volume 8, Issue 4,   Pages 371-382 doi: 10.1007/s11465-013-0279-1

Abstract:

The atomic lattice structure of perfect single-layer graphene that can actually be regarded as a kindof hierarchical fractal structure from the perspective of fractal geometry was studied for the firstThree novel and special discoveries on hierarchical fractal structure and sets were unveiled upon examinationThe interior fractal-type structure was discovered to be the fifth space-filling curve from physicalA fundamental example of a multi-fractal structure was also presented.

Keywords: hierarchical fractal structure     fractal dimension     the fifth space-filling curve     multi-fractal structure    

Influence of core stiffness on the behavior of tall timber buildings subjected to wind loads

Zhouyan XIA, Jan-Willem G. VAN DE KUILEN, Andrea POLASTRI, Ario CECCOTTI, Minjuan HE

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 213-226 doi: 10.1007/s11709-021-0692-1

Abstract: This study analyzes the feasibility of the use of cross-laminated timber (CLT) as a load-bearing structuralConcrete is used for the central core and outriggers, and CLT is used for the rest of the structure of

Keywords: cross-laminated timber     tall timber buildings     finite element analysis     horizontal deflection     top acceleration    

Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 5,   Pages 1111-1127 doi: 10.1007/s11709-021-0757-1

Abstract: A novel floating breakwater-windbreak structure (floating forest) has been designed for the protectionThe modular arch-shaped concrete structure is positioned perpendicularly to the direction of the prevailingThe structure below the water surface acts as a porous breakwater with wave scattering capability.

Keywords: floating structure     breakwater     windbreak     hydrodynamic     CFD    

Bicontinuous porous membranes with micro-nano composite structure using a facile atomization-assisted

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 8,   Pages 1268-1280 doi: 10.1007/s11705-022-2143-5

Abstract: The micro-nano composite structure can endow separation membranes with special surface properties, butusing this method, a bicontinuous porous microfiltration membrane with robust micro-nano composite structureThe formation mechanism of the micro-nano composite structure was proposed.

Keywords: atomization     nonsolvent induced phase separation     bicontinuous porous structure     micro-nano compositestructure     oil-water separation    

Smart optical-fiber structure monitoring based on granular computing

Guan LU, Dakai LIANG,

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 4,   Pages 462-465 doi: 10.1007/s11465-009-0073-2

Abstract: self-diagnosing system in health monitoring has become an important direction of smart materials and structurethe requirement of damage detection by analyzing digital signals and character signals of the smart structurepaper investigates an optic fiber smart layer and presents a method for realizing optic fiber smart structureAfter the analysis, it is presumed that optic fiber smart structure monitoring based on granular computation

Keywords: smart material and structure     GrC     optical fiber sensor     rough set     clustering algorithm    

Title Author Date Type Operation

Damage assessment of laminated composite beam structures using damage locating vector (DLV) method

T. VO-DUY,N. NGUYEN-MINH,H. DANG-TRUNG,A. TRAN-VIET,T. NGUYEN-THOI

Journal Article

Free vibration analysis of laminated FG-CNT reinforced composite beams using finite element method

T. VO-DUY, V. HO-HUU, T. NGUYEN-THOI

Journal Article

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

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Journal Article

Stochastic analysis of laminated composite plate considering stochastic homogenization problem

S. SAKATA,K. OKUDA,K. IKEDA

Journal Article

Error compensation for tool-tip trace during cutting of laminated paper for rapid prototyping

Yucheng DING, Changhe LI, Dichen LI, Guoxin YU

Journal Article

The Mechanism of Fiber Bending and Elongation in the Integrated Piercing Process of Orthogonal Laminated

Zhu Jianxun,He Jianmin,Wang Haiyan

Journal Article

Optimization of the mechanical performance and damage failure characteristics of laminated composites

Journal Article

Finite element analysis of stress concentrations and failure criteria in composite plates with circular holes

Abdelhak KHECHAI,Abdelouahab TATI,Abdelhamid GUETTALA

Journal Article

A Stoneley wave method to detect interlaminar damage of metal layer composite pipe

Bing LI,Lei QIANG,Tong LU,Xu GENG,Minghang LI

Journal Article

Influence of pore structure on biologically activated carbon performance and biofilm microbial characteristics

Journal Article

Hierarchical fractal structure of perfect single-layer graphene

T. Zhang, K. Ding

Journal Article

Influence of core stiffness on the behavior of tall timber buildings subjected to wind loads

Zhouyan XIA, Jan-Willem G. VAN DE KUILEN, Andrea POLASTRI, Ario CECCOTTI, Minjuan HE

Journal Article

Floating forest: A novel breakwater-windbreak structure against wind and wave hazards

Journal Article

Bicontinuous porous membranes with micro-nano composite structure using a facile atomization-assisted

Journal Article

Smart optical-fiber structure monitoring based on granular computing

Guan LU, Dakai LIANG,

Journal Article