Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Patrick V. Hull"'
Autor:
Aaron D. Mazzeo, Patrick V. Hull, Anna Root, Robert Randolph, Nicholas Bonini, Michael Vinciguerra, Gary Simmons, Jingjin Xie, Sahil Suri
Publikováno v:
Applied Physics Letters. 115:253701
This letter presents an experimental study and the associated numerical modeling of fast-curing, thermosetting droplets spreading on a heated surface. The results show a significant morphological dependence of the spreading droplets of Ecoflex 0050 (
Autor:
Patrick V. Hull, Pravin Aggarwal
Publikováno v:
57th AIAA/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference.
Design and manufacturing space flight vehicle structures is a skill set that has grown considerably at NASA during that last several years. Beginning with the Ares program and followed by the Space Launch System (SLS), in-house designs were produced
Publikováno v:
Habitation. 12:79-85
Autor:
J. E. S. Moore, Greg Chavers, Kim Ess, Jeff Farmer, Huu Trinh, Irene Piatek, Patrick V. Hull, Kristina Rojdev, Sharada Vitalpur, Derek Calvert, Greg Frady, Eric Lowery, Kevin Dunn
Publikováno v:
2015 IEEE Aerospace Conference.
NASA's Resource Prospector (RP) is a multi-center and multi-institution collaborative project to investigate the polar regions of the Moon in search of volatiles. The mission is rated Class D and the duration is approximately 10 days. The RP vehicle
Publikováno v:
Structural and Multidisciplinary Optimization. 31:311-319
Structural optimization is a field of research that has experienced noteworthy growth for many years. Researchers in this area have developed optimization tools to successfully design and model structures, typically minimizing mass while maintaining
Autor:
Patrick V. Hull, Stephen L. Canfield
Publikováno v:
Journal of Mechanical Design. 128:337-348
The field of distributed-compliance mechanisms has seen significant work in developing suitable topology optimization tools for their design. These optimal design tools have grown out of the techniques of structural optimization. This paper will buil
Publikováno v:
Mechatronics. 14:757-775
This paper will present the development of an innovative actuator using a shape memory alloy (SMA) that is powered by available radiant energy in the space environment. Currently, self-contained or tethered power supplies provide the energy source fo
Autor:
Lauren Alverson, Aaron Garrett, Andrew R. Schnell, Gerry Dozier, Patrick V. Hull, Michael L. Tinker, Jarred Reneau
Publikováno v:
49th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference 16th AIAA/ASME/AHS Adaptive Structures Conference 10t.
Evolutionary computational (EC) techniques such as genetic algorithms (GA) have been identified as promising methods to explore the design space of mechanical and electrical systems at the earliest stages of design. In this paper the authors summariz
Publikováno v:
Earth & Space 2006.
Publikováno v:
Earth & Space 2006.