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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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A deep feed-forward neural network for damage detection in functionally graded carbon nanotube-reinforced

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.configurations of the CNT-fibers constituting the FG-CNTRC plates including uniform distribution (UD) and functionallygraded-V distribution (FG-VD).

Keywords： damage detection     deep feed-forward neural networks     functionally graded carbon nanotube-reinforced composite    

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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 distributions

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 sandwich

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.

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

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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-infiltratedThree types of porosity distributions affect the mechanical characteristics of materials: symmetric distributionThe stress–strain relationship for Biot porous materials was determined using the elastic theory.

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

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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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Implicit Heaviside filter with high continuity based on suitably graded THB splines

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 1,   Pages 14-14 doi: 10.1007/s11465-021-0670-2

Abstract: introduced to generate black and white designs for TO where the design space is parameterized by suitably graded

Keywords： topology optimization     truncated hierarchical B-spline     isogeometric analysis     black and white designs     Heaviside filter    

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PICRUSt2 functionally predicts organic compounds degradation and sulfate reduction pathways in an acidogenic

Frontiers of Environmental Science & Engineering doi: 10.1007/s11783-021-1481-8

Abstract:

For comprehensive insights into the influences of sulfate on performance, microbial community and metabolic pathways in the acidification phase of a two-phase anaerobic system, a laboratory-scale acidogenic bioreactor was continuously operated to treat wastewater with elevated sulfate concentrations from 2000 to 14000 mg/L.

Keywords： Acidogenic phase reactor     High-sulfate wastewater     Sulfate reduction     Acidogenic fermentation     PICRUSt2    

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Endochronic damage constitutive model for fully-graded aggregate mass concrete

SONG Yupu, WANG Huailiang

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 274-280 doi: 10.1007/s11709-007-0035-x

Abstract: The behavior of deformation and strength of a fully-graded aggregate concrete under complex stress statewhich the concept of yield surface is not needed and the difference of damage evolution rule of various gradedThe proposed model is used to analyze the deformation and strength of fully-graded aggregate mass concrete

Keywords： concept     surface     design     concern     strength    

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Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Frontiers of Mechanical Engineering 2011, Volume 6, Issue 3,   Pages 301-307 doi: 10.1007/s11465-011-0238-7

Abstract: physical model for the shear horizontal (SH) wave propagating from left-handed material (LHM) through a graded

Keywords： left-handed material (LHM)     metamaterial     shear horizontal (SH) wave    

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Yue’s solution of classical elasticity in

Zhong-qi Quentin YUE

Frontiers of Structural and Civil Engineering 2015, Volume 9, Issue 3,   Pages 215-249 doi: 10.1007/s11709-015-0298-6

Abstract: The boundary-value problems of classical elasticity in -layered and graded solids are also one of theThe solutions in -layered or graded solids can be calculated with any controlled accuracy in association

Keywords： elasticity     solution     layered solid     graded material    

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Application of granular solid hydrodynamics to a well-graded unbound granular material undergoing triaxial

Shixiong SONG, Qicheng SUN, Feng JIN, Chuhan ZHANG

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 83-88 doi: 10.1007/s11709-012-0148-8

Abstract: Unbound granular materials (UGMs) are widely used as a base or a subbase in pavement construction.They are generally well graded and exhibit a higher peak strength than that of conventional cohesionlessgranular materials.The results indicate that the GSH theory is able to describe such a special type of granular materials

Keywords： granular solid hydrodynamics     unbound granular material (UGM)     triaxial tests    

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Hierarchically porous zeolites synthesized with carbon materials as templates

Frontiers of Chemical Science and Engineering 2021, Volume 15, Issue 6,   Pages 1444-1461 doi: 10.1007/s11705-021-2090-6

Abstract: From both industrial and scientific perspectives, different carbon materials have been widely employedIn this review, the progress in synthetic strategies using carbon materials as templates is comprehensivelyDirect templates methods, by which the carbon materials are directly mixed with precursors gel as hard

Keywords： hierarchical zeolites     carbon materials     direct templates     indirect templates     carbon-silica composites    

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Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

Frontiers in Energy 2017, Volume 11, Issue 4,   Pages 575-581 doi: 10.1007/s11708-017-0473-7

Abstract: In this paper, the influence of different external wall insulation materials on the energy consumptionThree types of insulation materials commonly used in Germany including mineral fiber, polyurethane, andenergy analysis model is established to clarify the primary energy use for production of the insulation materialsThe ascending order of the total energy consumption of the three materials is mineral fiber, polyurethaneHowever, the optimum insulation thicknesses for the three insulation materials show a verse order at

Keywords： building envelope     insulation materials     energy consumption     payback time    

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Title Author Date Type Operation

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

A deep feed-forward neural network for damage detection in functionally graded carbon nanotube-reinforced

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 sandwich

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

Journal Article

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

Journal Article

Axisymmetric loading on nanoscale multilayered media

Journal Article

Implicit Heaviside filter with high continuity based on suitably graded THB splines

Journal Article

PICRUSt2 functionally predicts organic compounds degradation and sulfate reduction pathways in an acidogenic

Journal Article

Endochronic damage constitutive model for fully-graded aggregate mass concrete

SONG Yupu, WANG Huailiang

Journal Article

Analytical solution for SH wave propagating through a graded plate of metamaterial

Jinfeng ZHAO, Yongdong PAN, Zheng ZHONG

Journal Article

Yue’s solution of classical elasticity in

Zhong-qi Quentin YUE

Journal Article

Application of granular solid hydrodynamics to a well-graded unbound granular material undergoing triaxial

Shixiong SONG, Qicheng SUN, Feng JIN, Chuhan ZHANG

Journal Article

Hierarchically porous zeolites synthesized with carbon materials as templates

Journal Article

Influence of envelope insulation materials on building energy consumption

Junlan YANG, Jiabao TANG

Journal Article