Search Results - "GEERS, T. L"

A spectral-element method for modelling cavitation in transient fluid-structure interaction by Sprague, M. A., Geers, T. L.

“…In an underwater‐shock environment, cavitation (boiling) occurs as a result of reflection of the shock wave from the free surface and/or wetted structure…”
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An integrated wave-effects model for an underwater explosion bubble by Geers, Thomas L, Hunter, Kendall S

“…A model for a moderately deep underwater explosion bubble is developed that integrates the shock wave and oscillation phases of the motion. A hyperacoustic…”
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Spectral elements and field separation for an acoustic fluid subject to cavitation by Sprague, Michael A., Geers, Thomas L.

“…Spectral elements based on Legendre polynomials are used to improve an existing finite-element method for simulating a highly nonlinear field phenomenon: fluid…”
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Doubly asymptotic approximations for transient elastodynamics by Geers, Thomas L., Lewis, Brett A.

“…A doubly asymptotic approximation (DAA) is an approximate temporal impedance relation at the boundary of a continuous medium: it approaches exactness at both…”
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Legendre spectral finite elements for structural dynamics analysis by Sprague, M. A., Geers, T. L.

“…Spectral, hierarchical, and h‐type finite elements (FEs) are compared in the context of their application to structural dynamics analysis. The Timoshenko beam,…”
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Pressure and velocity fields produced by an underwater explosion by Hunter, Kendall S., Geers, Thomas L.

“…An integrated model for a moderately deep underwater explosion bubble has recently been developed. For the initial shock-wave phase, the model employs an…”
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Computational Treatments of Cavitation Effects in Near‐Free‐Surface Underwater Shock Analysis by Sprague, Michael A., Geers, Thomas L.

“…Fluid cavitation constitutes an expensive computational nuisance in underwater‐shock response calculations for structures at or just below the free surface. In…”
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Variational Boundary-Element Analysis of Small-Amplitude Fluid Oscillation in a Low-Gravity Environment by O'Brien, J.L., Geers, T.L.

“…A variational boundary element technique is developed to analyse the small-amplitude oscillation of an incompressible, inviscid fluid contained in a rigid tank…”
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Excitation of a fluid-filled, submerged-spherical shell by a transient acoustic wave by PEIZHEN ZHANG, GEERS, T. L

“…A mathematical formulation and method of solution for the title problem are developed, and numerical results are presented for excitation by a plane step wave…”
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Partitioned analysis for coupled mechanical systems by Felippa, Carlos A., Geers, Thomas L.

“…Partitioned analysis is a method by which sets of time-dependent ordinary differential equations for coupled systems may be numerically integrated in tandem,…”
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Linear vibration analysis of an ultrasonic cleaning problem by GEERS, T. L, HASHEMINEJAD, M

“…A micron-size spherical particle is bound to an elastic half-space by van der Waals forces. The particle and the surface of the half-space are immersed in an…”
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Erratum to 'A spectral-element method for modelling cavitation in transient fluid-structure interaction' (Int. J. Numer. Meth. Eng. 2004; 60:2467-2499) by Sprague, M. A., Geers, T. L.

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A spectral-element/finite-element analysis of a ship-like structure subjected to an underwater explosion by Sprague, Michael A., Geers, Thomas L.

“…The practicability of an improved procedure for simulating the response of a surface ship to an underwater explosion is demonstrated by examining transient…”
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Evaluation of the Perfectly Matched Layer for Computational Acoustics by Qi, Quan, Geers, Thomas L.

“…The perfectly matched layer (PML) recently formulated by Berenger for the absorption of radiated/scattered waves in computational electromagnetics is adapted…”
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Model impedances for two spheres in a thermoviscous fluid by MOHAMAD HASHEMINEJAD, GEERS, T. L

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Optimization of the G&H Bubble Model by Geers, Thomas L., Park, Chung-Kyu

“…A spherical model for the bubble created by an underwater explosion is enhanced to account, in approximate fashion, for the effect of bubble distortion on…”
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Doubly asymptotic approximations for transient motions of submerged structures by Geers, Thomas L.

“…Doubly asymptotic approximations (DAA) are differential equations for simplified analysis of the transient interaction between a flexible structure and a…”
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Response of Empty and Fluid‐Filled, Submerged Spherical Shells to Plane and Spherical, Step‐Exponential Acoustic Waves by Sprague, Michael A., Geers, Thomas L.

“…The title problem is solved through extension of a method previously formulated for plane step‐wave excitation, which employs generalized Fourier series…”
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Errata: “Response of an Elastic Cylindrical Shell to a Transverse Acoustic Shock Wave in a Light Fluid Medium” [T. L. Geers, J. Acoust. Soc. Amer. 48 , 692–701 (1970)] by Geers, T. L.

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Doubly asymptotic approximations for transient poroelastodynamics by Qi, Quan, Geers, Thomas L.

“…A doubly asymptotic approximation (DAA) is an approximate temporal impedance relation at the boundary of a continuous medium. Here, first- and second-order…”
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