[PDF] Top 20 Modelling wave propagation in two dimensional structures using a wave/finite element technique

... different technique to analyse wave propagation in periodic ...“periodic structures” indicates structures which exhibit characteristics that repeat periodically in one, two or ... See full document

... numerical wave/finite element (WFE) method for the analysis of wave propagation in axisymmetric structures was ...modelled using conventional FEA, typically using a ... See full document

... Elastic wave distortion and generation of higher harmonics during propagation in nonlinear media has been re- ported as early as in ...for modelling wave interaction with nonlinear joints can ... See full document

... / finite element (FE) computational scheme is developed to calculate the temperature de- pendent wave propagation and interaction properties of a system of two structural waveguides ... See full document

... ite structures through an inverse wave and finite element ...for structures of arbitrary ...with two wave-based characterization techniques: the Inhomogeneous Wave ... See full document

... of two waveguide segments connected through a coupling joint. The wave finite element modelling of each waveguide segment is then coupled with the full finite element of ... See full document

... (i=4) wave modes. All the i=3,4 types wave numbers are complex conjugate pairs below the bifurcation ...i=3 wave modes cut-on as the i=4 modes are the flexural nearfield ...(n=0) wave mode, ... See full document

... Abstract—A wave finite element (WFE) and finite element (FE) based computational method is presented by which the dispersion properties as well as the wave interaction ... See full document

... that using simulation techniques with Gmsh and GetDP software, it easy to determine the S-matrix characterizing a microwave ...of finite element method in this works is its capacity of computing the ... See full document

... In this paper, we consider a high-order discontinuous Galerkin (DG) method for modelling wave propagation in coupled poroelastic-elastic media. The upwind numerical flux is derived as an exact ... See full document

... mechanical wave is surface wave or also known as ground ...surface wave is a mechanical wave that propagates along the interface between differing media or two fluids that have ... See full document

... excited using a magnetic actuator (B&K ...sine wave o f linearly increasing fre­ quency, and amplified by a power amplifier (B&K ...analysed using a two-channel FFT analyser (HP ...the ... See full document

... of wave propagation in infinite or semi- infinite ...necessarily finite in size, echoes would develop at the artificial boundaries if no appropriate action was ...prevent wave reflections at ... See full document

... and dimensional stability [1]) and especially for aerospace applications thanks to a lower weight than metallic ...composite structures can be seen as an infinite assembly of identical elements called unit ... See full document

... Triangular element consisting of fekete points distributed in it for meshing ...spectral element method is known for its high degree of accuracy, its ability to handle complex model geometries, and its low ... See full document

... previous modelling studies (Chang et ...the two main peaks in both the force and acceleration waveforms occurred within this time frame for both the experimental and model ... See full document

... one-dimensional structures with an additive manufactured stiffener is examined. A finite element method is used to calculate the stiffness, mass and damping matrices, and periodic struc- ture ... See full document

... for modelling noise and vibration in complex mechanical structures in the mid-to-high frequency ...non-diffusive wave fields. DEA takes into account the full directionality of the wave field ... See full document

... on structures by air blasts are described in IAEA Design Guide ...nuclear structures. For the determination of the resulting actions on structures subjected to a specified blast event, the load-time ... See full document

... simulates wave height and wave directions in the harbor during storms, although the models results 242. have a lot of similarity.[r] ... See full document