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Analysis of the Acoustic Response of a Railroad Bridge

K. Koppenhoefer[1], S.Yushanov[1], and M.H. McKenna[2]

[1]AltaSim Technologies, LLC, Columbus, Ohio, USA
[2]U.S. Army Engineering Research and Development Center

Aging infrastructure requires frequent inspections to assess their structural integrity. However, the large ... 扩展阅读

Coupled Models of Lithospheric Flexure and Magma Chamber Pressurization at Large Volcanoes on Venus

G. Galgana[1], P. McGovern[2], and E. Grosfils[2]

[1]Lunar and Planetary Institute, Houston, Texas, USA
[2]Pomona College, Claremont, California, USA

We present an implementation of the Structural Mechanics module of COMSOL Multiphysics to model the state of ... 扩展阅读

Modeling the response of photoacoustic gas sensors

S.L. Firebaugh[1], F. Roignant[2], and E.A. Terray[3]

[1]United States Naval Academy, Annapolis, Maryland, USA
[2]Polytechnique Nantes, Nantes, France
[3]Woods Hole Oceanographic Institution, Woods Hole, Massachusetts, USA

A fast, high-sensitivity detector is required for studies of environmentally relevant gases. Photoacoustic ... 扩展阅读

The Origin of Mass-change Sensitivity within Multi-layered, Non-uniform, Piezoelectrically-actuated Millimeter-sized Cantilever (PEMC) Biosensors: Vibrational Analysis through Experiment and Finite Element Modeling (FEM)

B.N. Johnson[1], and R. Mutharasan[1]

[1]Department of Chemical and Biological Engineering, Drexel University, Philadelphia, Pennsylvania, USA

A 3D finite element model (FEM) of the PEMC sensor was developed to characterize the modes of vibration that ... 扩展阅读

Analysis of Forces acting on Superparamagnetic beads in fluid medium in Gradient Magnetic Fields

U. Veeramachaneni[1], and R.L. Carroll[1]

[1]Department of Chemistry, West Virginia University, Morgantown, West Virginia, USA

Superparamagnetic micro beads offer some attractive applications in biological and biomedical fields. Some ... 扩展阅读

Designing a Current Injection Tool for Logging While Drilling

B. Oetiker[1], B. Friedman[1], and H.E. Hall Jr.[1]

[1]Department of Physics, Sam Houston State University, Huntsville, Texas, USA

High-resolution imaging is useful in oil and gas exploration to identify producing fractures that can be in ... 扩展阅读

Finite Element Modeling of Transient Eddy Currents in Multilayer Aluminum Structures

V. Babbar[1], and T. Krause[1]

[1]Department of Physics, Royal Military College of Canada, Kingston, Ontario, Canada

Transient eddy current (TEC) technique is being developed for detection of flaws located at depth within ... 扩展阅读

Fast Computation of Capacitance Matrix and Potential Distribution for Multiconductor in Non-Homogenous Multilayered Dielectric Media

S.M. Musa[1], and M.N.O. Sadiku[1]

[1]Prairie View A&M University Networking Academy, Prairie View, Texas, USA

This paper presents the fast computational and modeling of multiconductor transmission lines interconnect in ... 扩展阅读

Modeling a 3D Eddy Current Problem Using the Weak Formulation of the Convective A-phi Steady State Method

J. Bird[1]

[1]University of North Carolina, Charlotte, North Carolina, USA

A 3D model of a magnetic rotor both rotating and translationally moving at high-speed over a conductive ... 扩展阅读

Numerical and Experimental Study of Flow, Heat Transfer and Concentration in a Scaled-up Fuel Cell Anode Channel Model

J. C. Torchia-Nüñez[1], and J.G. Cervantes-de-Gortari[1]

[1]Department of Thermal Engineering, National University of Mexico, UNAM, Mexico City, Mexico

Flow, concentration and temperature fields are studied with numerical and experimental methods inside a ... 扩展阅读

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