The Off-Design Performance of Hypersonic Waveriders, (9999)
Waveriders are being considered more and more as potential aerospace vehicles. However there are several questions regarding these configurations that must be answered before they can be considered...
for Wireless Mobile Robots (2008)
Lyle N. Long, Anupam Sharma, Frederic Souliez, Lyle N. Long, Anupam Sharma, Frederic Souliez
Scattering From Complex Geometries Using a Parallel FVTD Algorithm 1 Abstract (2008)
A 3-D explicit nite volume algorithm has been developed to simulate scattering from complex geometries on parallel computers using structured body conformal curvilinear grids. Most simulations with...
Graduate Research Assistant (2008)
Emre Alpman, Lyle N. Long, Bruce D. Kothmann
Despite decades of very successful yaw-control and anti-torque applications, the aerodynamics of ducted rotors in low-power, near-edgewise flow conditions are not well understood. Motivated by...
COMPUTATIONAL ANALYSIS OF A PROTOTYPE MARTIAN ROTORCRAFT EXPERIMENT (2008)
Kelly J. Corfeld, Roger C. Strawn, Lyle N. Long
This paper presents Reynolds-averaged Navier-Stokes calculations for a prototype Martian rotorcraft. The computations are intended for comparison with an ongoing Mars rotor hover test at NASA Ames...
Intelligent Unmanned Air Vehicle Flight Systems (2008)
Jodi A. Miller, Paul D. Minear, Albert F. Niessner, Anthony M. Delullo, Brian R. Geiger, Lyle N. Long, ...
This paper describes an intelligent autonomous airborne flight capability that is being used as a test bed for future technology development. The unmanned air vehicles (UAVs) fly under autonomous...
How Terminal Is Terminal Velocity? (2008)
A. J. Lee, Linear Regression Analysis, John Wiley, New York, Lyle N. Long, ...
Since Vu−{x} ⊥ x − ¯xu−{x}, V(H) ⊂ R p−1 ×{0}, and we can consider the points V(u − {x}) as lying in R p−1. By (2), the (p − 1) × (p − 1) submatrix [BV(u−{x})]1≤i,...
A Small Semi-Autonomous Rotary-Wing Unmanned Air Vehicle (UAV) (2008)
Scott D. Hanford, Lyle N. Long, Joseph F. Horn
Small radio controlled (R/C) rotary-wing UAVs have many potential military and civilian applications, but can be very difficult to fly. Small and lightweight sensors and computers can be used to...
Separated Turbulent Flow Simulations Using a Reynolds Stress Model and Unstructured Meshes (2008)
Numerical simulation of three-dimensional, separated, high Reynolds number turbulent flows is performed using a second-order accurate cell-centered finite volume method on unstructured meshes. The...
AIAA Paper No. 2005-7168 Scalable Massively Parallel Artificial Neural Networks (2008)
There is renewed interest in computational intelligence, due to advances in algorithms, neuroscience, and computer hardware. In addition there is enormous interest in autonomous vehicles (air,...
M Control of a Six-Legged Mobile Robot Using the Soar Cognitive Architecture (2008)
Scott D. Hanford, Oranuj Janrathitikarn, Lyle N. Long
This paper describes the development of the Cognitive Robotic System (CRS) for studying intelligent and autonomous unmanned vehicles. This system uses a multi-threaded software system written using...
Abstract Experiences using Flying Models in Competitions and Coursework (2008)
Robert P. Hansen, Lyle N. Long, Todd A. Dellert
The use of flying model airplanes in the undergraduate aerospace engineering curricula of
Information and Knowledge Transfer through Archival Journals and On-Line Communities (2008)
Lyle N. Long, Steven J. Schweitzer
Computers, networks, and on-line information have obviously affected many aspects of our lives. In addition, the exponential increases in computer performance make it nearly impossible to predict the...
Lyle N. Long, Lyle N. Long, Kenneth S. Brentner, Kenneth S. Brentner
This paper presents a scheme for efficiently running a large number of serial jobs on parallel computers. Two examples are given of computer programs that run relatively quickly, but often they must...
Oranuj Janrathitikarn, Oranuj Janrathitikarn, Lyle N. Long, G. Melton, George A. Lesieutre
I grant The Pennsylvania State University the nonexclusive right to use this work for the University's own purposes and to make single copies of the work available to the public on a...
Artificial Neural Networks (2005)
� There is increasing interest in neuroscience, intelligent systems, artificial intelligence, robots,... � Neural networks are just one approach in this area � Can we build neural networks the...
A Small, Scott D. Hanford, Scott D. Hanford, Lyle N. Long, F. Horn, ...
I grant The Pennsylvania State University the non-exclusive right to use this work for the University’s own purposes and to make single copies of the work available to the public on a...
Scalable Computational Steering System for (2002)
Anirudh Modi, Nilay Sezer-uzol, Lyle N. Long, Paul E. Plassmann
A general-purpose computational steering system (POSSE) which can be coupled to any C/C++ simulation code, has been developed and tested with a 3-D Navier-Stokes flow solver (PUMA2). This paper...
Anirudh Modi, Lyle N. Long, Paul E. Plassmann
Abstract. In this paper, we present the design and implementation of POSSE, a new, lightweight computational steering system based on a client/server programming model. We demonstrate the...
Unsteady Separated Flow Simulations Using a Cluster of Workstations (2000)
Anirudh Modi, Lyle N. Long, Anirudh Modi, Lyle N. Long
The possibility of predicting the full three-dimensional, unsteady, separated flow around complex ship and helicopter geometries is explored using unstructured grids in a parallel flow solver. The...
The Velocity Dependence of Aerodynamic Drag: A Primer for Mathematicians (1999)
text or calculus text, you are likely to find a short section, or at least a problem, on the motion of a body subject to some type of drag force along with a calculation of the body's terminal...
Micci, Michael M., Long, Lyle N.
Molecular dynamics (MD) implemented on parallel processors was used to model supercritical droplet phenomena occurring in combustion devices. The use of molecular dynamics allows the modeling of...
Molecular Dynamics Investigation of Supercritical Fuels. (1998)
Micci, Michael M., Long, Lyle N.
Equilibrium and nonequilibrium molecular dynamics (MD) implemented on parallel processing computers was used to simulate supercritical fuel phenomena occurring in high pressure combustion devices....
Chyczewski, Thomas S., Morris, Philip J., Long, Lyle N.
The potential benefits of using the Nonlinear Disturbance (NLD) equations, which govern flow variable fluctuations about an estimated mean, for the large-eddy simulation (LES) of wall bounded shear...
Nonlinear Acoustics in Diatomic Gases Using Direct Simulation Monte Carlo (1998)
Danforth, Amanda L., Long, Lyle N.
The Direct Simulation Monte Carlo (DSMC) method has been very successful for the study of many problems in rarefied gas dynamics and hypersonic flow. The extension to applications such as acoustics...
Direct Simulation of Ultrafast Detonations in Mixtures (1998)
O'Connor, Patrick D., Long, Lyle N., Anderson, James B.
nearly a century experimental measurements of the velocities of detonations in gases have been found in general agreement with those of the Chapman-Jouguet (C-J) hypothesis predicting velocities,...
Jeffrey Nucciarone, Lyle N. Long
: The High Performance Fortran language is a 'standard by consensus', developed by individuals and vendors in the high performance computing industry, to provide a low barrier entry to...