Search Results - "Gerstle, Walter"

Peridynamic modeling of concrete structures by Gerstle, Walter, Sau, Nicolas, Silling, Stewart

“…The peridynamic model described in Silling (Silling, S.A., 1998. Reformation of Elasticity Theory for Discontinuous and Long-Range Forces, SAND98-2176. Sandia…”
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Energy-Based Cohesive Crack Propagation Modeling by Xie, Ming, Gerstle, Walter H

“…This paper presents an energy-based approach for the finite-element modeling of mixed-mode cohesive crack propagation. This approach predicts the propagation…”
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Experimental testing and computational modeling of a radial packed bed for thermal energy storage by Gerstle, Walter H., Schroeder, Nathaniel R., McLaughlin, Luke P., Ho, Clifford K., Laubscher, Hendrik F., Kao, Steven

“…•High-temperature thermal energy storage in a radial packed bed of rocks.•Demonstration of thermal energy storage using air as heat transport…”
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Energy-Based Automatic Mixed-Mode Crack-Propagation Modeling by Xie, Ming, Gerstle, Walter H, Rahulkumar, Pakal

“…Based on an energy principle and a virtual crack extension technique, a practical finite-element modeling approach for the automatic mixed-mode two-dimensional…”
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Reduction of Vibration-Induced Artifacts in Synthetic Aperture Radar Imagery by Qi Wang, Pepin, Matthew, Wright, Aleck, Dunkel, Ralf, Atwood, Tom, Santhanam, Balu, Gerstle, Walter, Doerry, Armin W., Hayat, Majeed M.

“…Target vibrations introduce nonstationary phase modulation, which is termed the micro-Doppler effect, into returned synthetic aperture radar (SAR) signals…”
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FEM Modeling of Fictitious Crack Propagation in Concrete by Gerstle, Walter H, Xie, Ming

“…Using a mixed-mode extension of the Hillerborg fictitious crack model, a practical interface finite element approach is used to model discrete crack…”
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SAR-Based Vibration Estimation Using the Discrete Fractional Fourier Transform by Qi Wang, Pepin, M., Beach, R. J., Dunkel, R., Atwood, T., Santhanam, B., Gerstle, W., Doerry, A. W., Hayat, M. M.

“…A vibration estimation method for synthetic aperture radar (SAR) is presented based on a novel application of the discrete fractional Fourier transform…”
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Fractional spectrogram for characterizing and classifying vibrating objects in SAR images by Perez, Francisco, Santhanam, Balasubramaniam, Shrestha, Bipesh, Gerstle, Walter, Hayat, Majeed M.

“…A recently developed improved spectrogram that uses the discrete fractional Fourier transform (DFRFT) is used to retrieve the vibration signature that…”
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Structural Design of Lunar Radio Telescope Using Interactive CAD by Akgul, Ferhat, Gerstle, Walter H, Johnson, Stewart W

“…Some astronomers are considering the moon as an attractive location within the inner solar system for a variety of astronomical observatories, some of which…”
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Closure to "Fracture Mechanics of Bond in Reinforced Concrete" by Anthony R. Ingraffea, Walter H. Gerstle, Peter Gergely, and Victor Saouma (April, 1984) by Ingraffea, Anthony R, Gerstle, Walter H, Gergely, Peter, Saouma, Victor

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Lunar Astronomical Observatories: Design Studies by Johnson, Stewart W, Burns, Jack O, Meng Chua, Koon, Duric, Nebojsa, Gerstle, Walter H, Jeffrey Taylor, G

“…The best location in the inner solar system for the grand observatories of the 21st century may be the Moon. A multidisciplinary team including university…”
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Two Handbooks on Structural Steel Design by Gerstle, Walter H

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Reduction of vibration-induced artifacts in synthetic-aperture-radar imagery using the fractional fourier transform by Qi Wang, Pepin, M., Dunkel, R., Atwood, T., Doerry, A. W., Santhanam, B., Gerstle, W., Hayat, M. M.

“…In synthetic aperture radar (SAR) images of objects exhibiting low-level vibrations are accompanied by localized artifacts, or ghost targets, caused by the…”
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Health Services for Government Employees by GERSTLE, W J

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Demonstration of target vibration estimation in synthetic aperture radar imagery by Qi Wang, Pepin, Matthew, Beach, Ryan J., Dunkel, Ralf, Atood, Tom, Doerry, Armin W., Santhanam, Balu, Gerstle, Walter, Hayat, Majeed M.

“…Synthetic-aperture radar (SAR) can be used to remotely estimate ground target vibrations by exploiting the Doppler in the returned signals. Recent studies…”
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Theory of Adaptive Structures: Incorporating Intelligence into Engineered Products by Gerstle, Walter

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FINITE AND BOUNDARY ELEMENT MODELLING OF CRACK PROPAGATION IN TWO- AND THREE- DIMENSIONS USING INTERACTIVE COMPUTER GRAPHICS (FRACTURE, PREPROCESSING, FATIGUE, POSTPROCESSING, ANALYSIS) by GERSTLE, WALTER HERBERT

“…The objective of this research is to develop an interactive, graphical capability for the modelling of crack propagation in two- and three-dimensional solids…”
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FINITE AND BOUNDARY ELEMENT MODELLING OF CRACK PROPAGATION IN TWO- AND THREE- DIMENSIONS USING INTERACTIVE COMPUTER GRAPHICS (FRACTURE, PREPROCESSING, FATIGUE, POSTPROCESSING, ANALYSIS) by GERSTLE, WALTER HERBERT

“…The objective of this research is to develop an interactive, graphical capability for the modelling of crack propagation in two- and three-dimensional solids…”
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Finite and boundary element modeling of crack propagation in two and three dimensions by GERSTLE, W. H, MARTHA, L. F, INGRAFFEA, A. R

“…The development of two interactive graphical fracture-propagation systems is described. The Finite Element Fracture Analysis Program - Graphical (FEFAP-G) is a…”
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Preventive psychiatry: a modern concept in industrial medicine by GERSTLE, W J

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