... modes cross section finite element method 3D scanning laser Doppler vibrometer (SLDV) dynamics modal analysis structural dynamics and control system identification Aero-elastically tailored aircraft wings and wind turbine blades are often modeled in aero-elastic simulation codes as beam...

... Periodic Structure Using the Finite Element Method: Application to Alberich Anechoic Coatings ,” J. Acoust. Soc. Am. , 90 ( 6 ), pp. 3356 – 3367 . 10.1121/1.401395 [16] Panigrahi , S. , Jog , C. , and Munjal , M. , 2008 , “ Multi-Focus Design of Underwater Noise Control Linings...

... on the coupled shafts. Structural analysis of metallic disc coupling is conducted by means of the finite element method, in which the flexible disc component is modeled using thin shell formulation. Once misalignments are applied, the cyclic nature of coupling efforts is captured by the application...

... in conjunction with a multiscale finite element method. The constitutive law refined with the greater accuracy on the bending modulus using second generation reactive empirical bond order potential with dihedral energy term is employed to investigate the linear and nonlinear response of the carbon nanotubes...

...Qiang Yao; Tsuyoshi Inoue; Shota Yabui In this paper, transfer function of rotating shaft system for detecting transverse open crack is developed. Rotating shaft system is modeled using one-dimensional finite element method (1D-FEM), and quantitative analysis is performed. Open crack is modeled...

... of the system is simulated via finite element method (FEM). To this end, new nonclassical beam element stiffness and mass matrices are developed based on the strain gradient theory and verification of this new beam element is accomplished in this work. Pursuing the same procedure for the term...

... coaxial shells potential fluid axial and tangential fluid flow finite element method stability flutter Single and coaxial shells of revolution are an integral part of many engineering applications and while running in operating conditions can interact with rotating fluid flows. The industrial...

... on the finite element method is proposed to study such complicated problems. This algorithm successfully eliminates the numerical oscillations induced by the convective terms of fluid governing equations, and it conveniently realizes the data transfer between the fluid and the structure. Besides, it could give...

...Ying Liu; Xiu-zhan Sun; Wen-zheng Jiang; Yu Gu acoustic wave PPC Kagome-sphere lattice band structure finite element method Since Kushwaha et al. [ 1 ] proposed the concept of phononic crystals (PCs), great attention has been focused on this kind of artificial lattice structures...

... structures, whose walls are replaced by some kind of structure. In this paper, wave propagation in two-dimensional hierarchical hexagonal lattice structures is calculated by the finite element method with the Bloch theory. Attention is devoted to the comparison of the band gap, wave mode, dispersion surface...

... April 25, 2013. Assoc. Editor: Liang-Wu Cai. In this paper, the band structures of two- or three-dimensional phononic crystals consisting of Helmholtz resonators embedded in a fluid matrix are calculated by using the finite element method based on the commercial standard software abaqus...

..., this technique (CMS) obtained satisfactory results. When compared to analytical models, MAC close to unity is obtained, and when compared to the finite element method, relative differences of less than three percent were obtained. The CMS technique was efficient in the range of low frequencies. However...

... vibrations vibration reduction structural-acoustic piezoelectric patches switch shunt finite element method A considerable amount of research is actually devoted to the study and design of new noise reduction strategies to improve acoustic comfort. Noise reduction can be practically...

... of the Lagrange equation. In order to improve accuracy, the finite element method is utilized to solve the Reynolds equation for the dynamic characteristics of the squeeze film damper. When the calculated unbalance responses are compared with the test responses, they indicate that the dynamics model is correct...

... is developed by using the finite element method. Composite loss factors are calculated based on the average ratio of the unit cell energy loss to the unit cell energy input. Calculated loss factors under different strain are compared with experimental data. With the validated model, a parametric study...

... of the estimated modal parameters. 23 01 2008 10 12 2008 22 04 2009 building condition monitoring eigenvalues and eigenfunctions finite element analysis modal analysis steel stochastic processes structural engineering vibrations spatial structure finite element method field...

... (structures) damping finite element analysis rings (structures) steel vibrations viscoelasticity finite element method sandwich beam sandwich ring viscoelasticity damping vibration Noise and vibration control is a major concern in several industries such as aeronautics and automobiles...

... beams (structures) cutting finite element analysis lathes modal analysis turning (machining) vibrations chatter damping finite element method natural frequency gyroscopic effect spinning Timoshenko beam stepped workpiece Turning as a single point cutting process is commonly...

... been solved using a combination of finite element method and eigenvalue formulation. By applying a small perturbation of the temperature, displacement, and velocity fields, the governing equations were reduced to an eigenvalue equation, in which the growth rate of the eigenvalue contains information...

.... When the computation efficiency is concerned, the Biot model will be more desirable. 30 10 2005 23 01 2007 vibrations acoustic wave absorption noise abatement viscoelasticity viscoelastic materials Biot model minioscillator model finite element method Nowadays...