... of revolution. The appropriate form [ 37 ] of energy function is formulated. The nonlinear finite element method (NFEM) [ 38 , 39 ], along with the principle of virtual work [ 40 ], is used to obtain the results, including natural frequencies and mode shapes, based on the direct iterative method. However...

... of the entire structure. The respective contribution of the three deformation components to the overall deformation of the entire structure is also determined. Inspired by the finite element method (FEM), the proposed mode shape recognition algorithm is called the finite cross-section method (FCSM...

.... , 1991 , “ Analysis of the Scattering of a Plane Acoustic Wave by a Doubly 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...

... 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. vibration control nonclassical microbeam boundary...

... , Y. L. , Gorman , D. G. , and Reese , J. M. , 2001 , “ A Finite Element Method for Modelling the Vibration of Initially Tensioned Thin-Walled Orthotropic Cylindrical Tubes Conveying Fluid ,” J. Sound Vib. , 245 ( 1 ), pp. 93 – 112 . 10.1006/jsvi.2000.3554 [6] Lakis...

... 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 In this paper, the band structures in the three-dimensional PPC–Kagome-sphere lattice, are calculated by using the finite element method based on the commercial standard software COMSOL. The influence of the geometrical parameters (sphere and rod...

.... 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, and phase and group velocities between the second-order...

... bandgap in a lower position than the system with two openings. acoustic wave phononic crystals bandgap Helmholtz resonator finite element method Since Kushwaha et al. [ 1 ] proposed the concept of phononic crystals (PCs, also named sonic crystals in the case of fluid matrix), a great...

..., 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...

... reduction structural-acoustic piezoelectric patches switch shunt finite element method damping finite element analysis piezoelectric devices structural acoustics vibrations 03 07 2009 17 02 2010 20 08 2010 20 08 2010 2010 American Society of Mechanical Engineers ...

... 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...

... 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. The reduction of noise...

... (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 used to machine cast and forged workpieces into cylindrical components. During operations...

... with the numerical iterations and the analytical expressions of the solution under various boundary conditions. thermoelastic damping beam resonator eigenvalue finite element method Thermoelastic damping is a phenomenon related to the irreversible heat dissipation induced by the coupling between heat...