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Elastodynamic Radiation From Line Sources Buried in Layered Media Having Periodically Varying Interfaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: We describe here a method for determining the elastodynamic (P and SV waves) radiation characteristics of finite-size sources buried in a horizontally layered medium, having periodically corrugated ...
Transmission of SH Waves Through a Periodic Array of Elastic Cylinders
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The reflection and transmission characteristics of a grating of identical, circular elastic cylinders, arranged periodically in an elastic slab, are investigated. Use is made of a simple approach ...
Analytical Solution for Shear Horizontal Wave Propagation in Piezoelectric Coupled Media by Interdigital Transducer
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An analytical solution for the shear horizontal wave propagation excited by interdigital transducer in a piezoelectric coupled semi-infinite medium is developed. This solution is an extension of ...
The Acoustic Response of a Periodically Rough Elastic Plate (Ice) in Contact With Water
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The plane wave scattering matrix theory is applied to formulate a T -matrix which characterizes the acoustic response of an infinite solid plate bounded by semi-infinite vacuum and fluid half ...
Finite Element Eigenfunction Method (FEEM) for Elastic Wave Scattering by Arbitrary Three-Dimensional Axisymmetric Scatterers
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A finite element eigenfunction method (FEEM) is formulated for elastic wave scattering by bounded three-dimensional axisymmetric regions (cavity, homogeneous, or inhomogeneous) for harmonic waves ...
Ultrasonic Wave Scattering by a Subsurface Flaw in Joined Fluid-Solid Half Spaces
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The scattering of waves by a flaw (cavity or inclusion) that is embedded in an elastic half space at a finite depth below the interface with a fluid half space is studied using the T-matrix ...
T-Matrix Approach to Scattering of Elastic (SH-) Waves by an Inclined Surface Void
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study is concerned with the T-matrix method to solve the scattering of SH-waves by an inclined surface-breaking void in a homogeneous elastic half space. Additional complications arising ...
Design of Robust Vibration Controller for a Smart Panel Using Finite Element Model
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper presents a model reduction method and uncertainty modeling for the design of a low-order H∞ robust controller for suppression of smart panel vibration. A smart panel with collocated ...
A State-Space Modeling of One-Dimensional Active Noise Control Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A state-space representation of a dynamic system for one-dimensional sound reflection and transmission is developed. The state-space modeling is the first step for future development of an active ...