Zobrazeno 1 - 10
of 158
pro vyhledávání: '"R. M. Hoffman"'
Publikováno v:
2021 IEEE Aerospace Conference (50100).
The Multi-Mission Radioisotope Thermoelectric Generator (MMRTG) is a readily available, long-lived, small scale, versatile power supply that can generate uninterrupted power on the moon during the long lunar nights. Lunar surface conditions, however,
Autor:
J. M. Larsen, W.J. Porter, V. Sinha, R. M. Hoffman, Reji John, Sushant K. Jha, Dennis J. Buchanan, R. A. Brockman, Adam L. Pilchak
Publikováno v:
JOM. 70:1147-1153
Principal component analysis and fuzzy c-means clustering algorithms were applied to slip-induced strain and geometric metric data in an attempt to discover unique microstructural configurations and their frequencies of occurrence in statistically re
Publikováno v:
Journal of Engineering Mechanics. 138:953-962
Cellular beams are expanded I-sections with circular web voids that have been used extensively in Europe, and are currently gaining popularity in the United States. For these expanded I-sections, stresses within the web void projection are the manife
Publikováno v:
Journal of Structural Engineering. 134:77-86
This paper presents a simplified methodology of modeling the complex hysteretic behaviors of wood sheathing connections using basic elements found in commercially available finite-element analysis software. By combining these basic elements, customiz
Publikováno v:
Polymer Engineering & Science. 46:844-852
Minimizing mold deflection is essential when manufacturing plastic parts to tight tolerances. Both the mold and the machine are compliant and deform upon loading, which can affect the part quality. Therefore, understanding mold deflection during inje
Publikováno v:
Finite Elements in Analysis and Design. 40:449-460
Three-dimensional nonlinear finite element problems are generally very time consuming to solve accurately. A modified version of the Finite quasi-prism (FQP) element is an accurate and efficient alternative to conventional nonlinear elastic-plastic f
Autor:
H. R. Busby, R. M. Hoffman
Publikováno v:
Finite Elements in Analysis and Design. 34:25-35
An important step in any finite element analysis is to determine the accuracy of the model used. For linear elastic analyses, accuracy can be measured by the convergence of the solution. Typically error norms based on the strain energy of the system
Publikováno v:
Health education research. 29(4)
University students represent a subset of young men and women at risk for HIV in high prevalence settings. Innovative programs are needed to raise awareness on the unique issues around HIV and AIDS in the university campus, while training student lea
Publikováno v:
Volume 1C, Symposia: Gas-Liquid Two-Phase Flows; Industrial and Environmental Applications of Fluid Mechanics; Issues and Perspectives in Automotive Flows; Liquid-Solids Flows; Multiscale Methods for Multiphase Flow; Noninvasive Measurements in Single and Multiphase Flows; Numerical Methods for Multiphase Flow; Transport Phenomena in Energy Conversion From Clean and Sustainable Resources; Transport Phenomena in Materials Processing and Manufacturing Processes; Transport.
Correct interpretation of optical measurements of concentration and composition in slurry flows in pipes depends upon an understanding of the solids distribution across the pipe. The distributions are not necessarily uniform. Computational Fluid Dyna