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A deep feed-forward neural network for damage detection in functionally graded carbon nanotube-reinforcedcomposite plates using modal kinetic energy

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1453-1479 doi: 10.1007/s11709-021-0767-z

Abstract: This paper proposes a new Deep Feed-forward Neural Network (DFNN) approach for damage detection in functionallygraded carbon nanotube-reinforced composite (FG-CNTRC) plates.containing 20 000 samples of damage scenarios, obtained via finite element (FE) simulation, of the FG-CNTRC platesmodel are illustrated through two distinct configurations of the CNT-fibers constituting the FG-CNTRC platesincluding uniform distribution (UD) and functionally graded-V distribution (FG-VD).

Keywords： damage detection     deep feed-forward neural networks     functionally graded carbon nanotube-reinforced compositeplates     modal kinetic energy    

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Nonlinear dynamic analysis of functionally graded carbon nanotube-reinforced composite plates using MISQ20

Frontiers of Structural and Civil Engineering   Pages 1072-1085 doi: 10.1007/s11709-023-0951-4

Abstract: element with 20 unknowns of displacement (MISQ20) to investigate the nonlinear dynamic responses of functionallygraded carbon nanotube-reinforced composite (FG-CNTRC) plates with four types of carbon nanotube distributionsThe motion equation of the FG-CNTRC plates is solved by adapting the Newmark method combined with theFinally, the effects of the input parameters on the nonlinear vibration of the plates are investigated

Keywords： carbon nanotube     MISQ20     FG-CNTRC plate     nonlinear vibration     nonlinear dynamic analysis     SFEM    

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A novel finite element formulation for static bending analysis of functionally graded porous sandwichplates

Van Chinh NGUYEN; Trung Thanh TRAN; Trung NGUYEN-THOI; Quoc-Hoa PHAM

Frontiers of Structural and Civil Engineering 2022, Volume 16, Issue 12,   Pages 1599-1620 doi: 10.1007/s11709-022-0891-4

Abstract: to propose a finite element formulation based on Quasi-3D theory for the static bending analysis of functionallygraded porous (FGP) sandwich plates.The FGP sandwich plates consist of three layers including the bottom skin of homogeneous metal, the topmml:mi>ξ on the static bending response of rectangular FGP sandwich plates

Keywords： sandwich plates     functionally graded porous     static bending     Quasi-3D theory     Q4 element    

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Free vibration analysis of functionally graded porous curved nanobeams on elastic foundation in hygro–thermo–magnetic

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 4,   Pages 584-605 doi: 10.1007/s11709-023-0916-7

Abstract: on the Lagrange and Hermite interpolation function is proposed to solve the governing equation of a functionallygraded porous (FGP) curved nanobeam on an elastic foundation in a hygro–thermo–magnetic environment.

Keywords： functionally graded porous material     curved nanobeam     hygro–thermo–magnetic     enriched finite element    

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Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

Baoguo MA, Dinghua ZOU, Li XU

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 1,   Pages 101-104 doi: 10.1007/s11709-009-0011-8

Abstract: Concerning the complex engineering environment of the Wuhan Yangtze River Shield Tunnel, the principle of functionallygraded materials was introduced to design and produce the functionally graded concrete segment (FGCS

Keywords： shield tunnel     functionally graded concrete segment (FGCS)     manufacturing technology     performance    

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Consumption of carbon fiber plates in the reinforced concrete beams strengthened with CFPs

BU Liangtao, SHI Chuxian, SONG Li

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 4,   Pages 393-398 doi: 10.1007/s11709-007-0053-8

Abstract: Four-point bending flexural tests were conducted to one full-size reinforced concrete (RC) beam and threefull-size RC beams strengthened with carbon fiber plates (CFPs).

Keywords： flexural     full-size     Four-point     consumption     experimental    

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Strengthening mechanisms in carbon nanotube reinforced bioglass composites

Jing ZHANG, Chengchang JIA, Zhizhong JIA, Jillian LADEGARD, Yanhong GU, Junhui NIE

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 2,   Pages 126-131 doi: 10.1007/s11705-012-1279-0

Abstract: Carbon nanotube reinforced bioglass composites have been successfully synthesized by two comparativeEnhanced strength and toughness are attributed to the interfacial bonding and bridging effects between the carbon

Keywords： 45S5Bioglass     multi-wall carbon nanotubes     biocomposite     mechanical properties     sintering    

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Cross-stacked super-aligned carbon nanotube/activated carbon composite electrodes for efficient water

Min Li, Shuai Liang, Yang Wu, Meiyue Yang, Xia Huang

Frontiers of Environmental Science & Engineering 2020, Volume 14, Issue 6, doi: 10.1007/s11783-020-1286-1

Abstract: Abstract • A high-performance electrode was prepared with super-aligned carbon nanotubes. • SACNT/ACThe current study demonstrated a novel super-aligned carbon nanotube (SACNT)/activated carbon (AC) composite

Keywords： Carbon nanotube     Super aligned     Conductive membrane     Capacitive deionization     Ultrafiltration     Desalination    

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Static and dynamic analysis of functionally graded fluid-infiltrated porous skew and elliptical nanoplates

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 477-502 doi: 10.1007/s11709-023-0918-5

Abstract: The analysis of static bending and free and forced vibration responses of functionally graded fluid-infiltrated

Keywords： static bending     free and forced vibrations     nonlocal theory     isogeometric analysis     fluid-infiltrated porous nanoplates    

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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 temperaturedegrees of freedom (DOF), previously developed for the bending and mechanical buckling of laminated compositeplates, is extended to investigate the thermal buckling behavior of laminated composite plates.Furthermore, a parametrical study was also conducted to investigate the effect of the anisotropy of compositematerials on the critical buckling temperature of laminated plates.

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

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Axisymmetric loading on nanoscale multilayered media

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 1,   Pages 152-164 doi: 10.1007/s11709-022-0895-0

Abstract: Multilayered nanoscale structures are used in several applications. Because the effect of surface energy becomes nontrivial at such a small scale, a modified continuum theory is required to accurately predict their mechanical behaviors. A Gurtin–Murdoch continuum model of surface elasticity is implemented to establish a computational scheme for investigating an elastic multilayered system under axisymmetric loads with the incorporation of surface/interface energy. Each layer stiffness matrix is derived based on the general solutions of stresses and displacements obtained in the form of the Hankel integral transform. Numerical solutions to the global equation, which are formulated based on the continuity conditions of tractions and displacements across interfaces between layers, yield the displacements at each layer interface and on the top surface of the multilayered medium. The numerical solutions indicate that the elastic responses of multilayered structures are affected significantly by the surface material properties of both the top surface and interfaces, and that they become size dependent. In addition, the indentation problem of a multilayered nanoscale elastic medium under a rigid frictionless cylindrical punch is investigated to demonstrate the application of the proposed solution scheme.

Keywords： functionally graded layer     Gurtin–Murdoch surface elasticity     multilayered medium     size dependency     stiffness    

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

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 platesas well as in isotropic plates with single circular holes subjected to uniaxial loading is studied.of freedom at each node, previously developed for the bending and mechanical buckling of laminated compositeplates, is used to evaluate the stress distribution in laminated composite plates with central circularFinally, to show the effect of ratio on the failure of plates, a number of figures are given for different

Keywords： laminated composite plates     stress concentration     geometric singularity     anisotropic effect    

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Nonpolar cross-stacked super-aligned carbon nanotube membrane for efficient wastewater treatment

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1630-3

Abstract:

● A novel nonpolar super-aligned carbon nanotube (SACNT) membrane

Keywords： Membrane fouling     Wastewater     Membrane separation     Antifouling     Aligned carbon nanotube    

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Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Frontiers of Structural and Civil Engineering 2020, Volume 14, Issue 6,   Pages 1520-1530 doi: 10.1007/s11709-020-0672-x

Abstract: superimposed to the size effects on the nonlinear dynamics of an electrically actuated single-walled carbon-nanotube-based

Keywords： velocity gradient elasticity theory     nanotube resonators     differential-quadrature method     nonlinear vibration    

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The role of ions in plasma catalytic carbon nanotube growth: A review

Erik C. Neyts

Frontiers of Chemical Science and Engineering 2015, Volume 9, Issue 2,   Pages 154-162 doi: 10.1007/s11705-015-1515-5

Abstract: While it is well-known that the plasma-enhanced catalytic chemical vapor deposition (PECVD) of carbonthe available literature, it can be concluded that ions can be either beneficial or detrimental for carbonnanotube growth, depending on the exact conditions and the control over the growth process.

Keywords： plasma-enhanced chemical vapor deposition (PECVD)     carbon nanotube (CNT)     ion bombardment     defect healing    

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Title Author Date Type Operation

A deep feed-forward neural network for damage detection in functionally graded carbon nanotube-reinforcedcomposite plates using modal kinetic energy

Journal Article

Nonlinear dynamic analysis of functionally graded carbon nanotube-reinforced composite plates using MISQ20

Journal Article

A novel finite element formulation for static bending analysis of functionally graded porous sandwichplates

Van Chinh NGUYEN; Trung Thanh TRAN; Trung NGUYEN-THOI; Quoc-Hoa PHAM

Journal Article

Free vibration analysis of functionally graded porous curved nanobeams on elastic foundation in hygro–thermo–magnetic

Journal Article

Manufacturing technique and performance of functionally graded concrete segment in shield tunnel

Baoguo MA, Dinghua ZOU, Li XU

Journal Article

Consumption of carbon fiber plates in the reinforced concrete beams strengthened with CFPs

BU Liangtao, SHI Chuxian, SONG Li

Journal Article

Strengthening mechanisms in carbon nanotube reinforced bioglass composites

Jing ZHANG, Chengchang JIA, Zhizhong JIA, Jillian LADEGARD, Yanhong GU, Junhui NIE

Journal Article

Cross-stacked super-aligned carbon nanotube/activated carbon composite electrodes for efficient water

Min Li, Shuai Liang, Yang Wu, Meiyue Yang, Xia Huang

Journal Article

Static and dynamic analysis of functionally graded fluid-infiltrated porous skew and elliptical nanoplates

Journal Article

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

Houdayfa OUNIS,Abdelouahab TATI,Adel BENCHABANE

Journal Article

Axisymmetric loading on nanoscale multilayered media

Journal Article

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

Abdelhak KHECHAI,Abdelouahab TATI,Abdelhamid GUETTALA

Journal Article

Nonpolar cross-stacked super-aligned carbon nanotube membrane for efficient wastewater treatment

Journal Article

Velocity gradient elasticity for nonlinear vibration of carbon nanotube resonators

Hamid M. SEDIGHI, Hassen M. OUAKAD

Journal Article

The role of ions in plasma catalytic carbon nanotube growth: A review

Erik C. Neyts

Journal Article