Results 11 to 20 of about 54 (32)

Analysis of Vibration Characteristics for Rotating Braided Fiber-Reinforced Composite Annular Plates with Perforations. [PDF]

Materials (Basel)
In the current study, a comprehensive numerical model for analyzing the vibrational characteristics of braided fiber-reinforced composite (BFRC) rotating annular plate with perforations under diverse boundary constraints was introduced.
Zhang H, Li Z, Wang S, Liu T, Wang Q.
europepmc   +2 more sources

Free vibration analysis of variable stiffness composite laminated beams and plates by novel hierarchical differential quadrature finite elements [PDF]

, 2021
The present work deals with the free vibration behavior of the variable stiffness composite laminates (VSCLs)featured by spatially varyingfibre orientation angles via novel quasi‐three‐dimensional solutions.
Liu, Bo, Xing, Yufeng, Yan, Yang, Pagani, Alfonso, Carrera, Erasmo   +4 more
core   +1 more source

Vibration and buckling analysis of quasi-3D porous composite steel-polymer concrete box section beams via DQFEM

Archive of Mechanical Engineering
This paper presents a dynamic and critical buckling analysis of hollow steel boxsection beams infilled with a porous polymer concrete composite core, modeled using a refined quasi-3D beam theory. The study investigates the effects of porosity in the polymer concrete core on the mechanical behavior of the beam.
Hassen Assem, Ahmed Saimi, Ismail Bensaid, Abdelmadjid Cheikh, Mouloud Dahmane, Hassen Ait Atmane   +5 more
openaire   +1 more source

Analyse du comportement vibratoire d'un Nano Rotor en FGM par la méthode des eléments finis en quadrature différentielle -DQFEM

, 2021
Dans ce travail,on étudie la dynamique des nano-arbre en rotation, en matériaux FG (les matériaux fonctionnellement gradués),en utilisant la méthode de la quadrature différentielle associée à la méthode des éléments finis (DQFEM).La théorie d'euler bernoulli est appliquée aux nano-poutres,pour déterminer les énergies de déformation et cinétique.l'effet
openaire   +1 more source

Bone Abrasive Machining: Influence of Tool Geometry and Cortical Bone Anisotropic Structure on Crack Propagation. [PDF]

J Funct Biomater, 2022
Zawadzki P, Talar R.
europepmc   +1 more source

Effect of Spraying Polyurea on the Anti-Blast Performance of the Ultra-High Performance Concrete Slab. [PDF]

Sensors (Basel), 2022
Gao B, Wu J, Chen Q, Yu J, Yu H.
europepmc   +1 more source

DQFEM Analyses of Static and Dynamic Nonlinear Elastic-Plastic Problems Using a GSR-Based Accelerated Constant Stiffness Equilibrium Iteration Technique

Journal of Pressure Vessel Technology, Transactions of the ASME, 2001
An integrated numerical technique for static and dynamic nonlinear structural problems adopting the equilibrium iteration is proposed. The differential quadrature finite element method (DQFEM), which uses the differential quadrature (DQ) techniques to the finite element discretization, is used to analyze the static and dynamic nonlinear structural ...
Chang-New Chen
exaly   +3 more sources

Efficient and reliable analysis of structural collapse by using a DQFEM along with a GSR-based accelerated equilibrium iteration procedure

International Journal of Pressure Vessels and Piping, 1999
Abstract The differential quadrature finite element method which uses the differential quadrature techniques to the finite element discretization is used to analyze the static linear or non-linear elastic–plastic collapse of structural problems. The incremental loading procedure in conjunction with the use of equilibrium iteration is used to update ...
C.N. Chen
exaly   +3 more sources

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Nonlinear vibration analysis and stability analysis of rotor systems supported on SFD by combining DQFEM, CMS and IHB methods

Applied Mathematical Modelling, 2023
Kwangchol Ri, Cholil Yun, Kumchol Kim
exaly   +2 more sources

GDQ, EDQ, DQEM, GDQEM, GCDQEM, DQFDM and DQFEM for Computational Mechanics Problems

Civil-Comp Proceedings, 2009
C-N. Chen
openaire   +2 more sources