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NASA Network Resource and Training Site
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The Simulation-to-Flight 1 (STF-1) CubeSat mission aims to demonstrate how legacy simulation technologies may be adapted for flexible and effective use on missions using the CubeSat platform. These technologies, named NASA Operational Simulator (NOS), have demonstrated significant value on several missions such as James Webb Space Telescope, Global Precipitation Measurement, Juno, and Deep Space Climate Observatory in the areas of software development, mission operationstraining, verification...
Topics: NASA Technical Reports Server (NTRS), NANOSATELLITES, SOFTWARE ENGINEERING, COMPUTER PROGRAMMING,...
Defense Technical Information Archive
by Defense Technical Information Center
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This Phase I work demonstrated the feasibility of developing flexible computer models capable of performing reasonable combat prediction and analysis. In addition to producing accurate combat results for existing weapons, the software also is capable of modeling hypothetical or potential systems which could incorporate various advanced technology weapons.
Topics: DTIC Archive, Hamilton, Scott S, HPS SIMULATIONS SANTA CLARA CA, *COMPUTER PROGRAMS, *COMPUTERIZED...
Defense Technical Information Archive
by Defense Technical Information Center
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The purpose of this study was to examine five active computer models of the aircrew/cockpit system, and to determine their relevance to current and future attack aircraft. The models were compared in terms of their general structure, input requirements, output options, and their sensitivity to a wide variety of equipment, mission, and operator characteristics. The models reviewed are similar in several important respects: They all require a detailed mission scenario and task analysis to steer...
Topics: DTIC Archive, Greening,Charles P, ROCKWELL INTERNATIONAL ANAHEIM CALIF AUTONETICS GROUP,...
This report contains the numerical and analytical data base useful for the missile/space vehicle mission analyst. Operational constraints considered were: launch site locations, orbital transfer maneuvers, and missile burnout parameters. Volume 2 documents a procedure for punching cards in ASCII format and reading the data onto a HP cassette for subsequent plotting with an HP9820 calculator system. Volume 3 documents some Radar Signature and RAdar Scattering computer programs. A three...
Topics: DTIC Archive, Ellis,George A, ROME AIR DEVELOPMENT CENTER GRIFFISS AFB N Y, *COMPUTER PROGRAM...
Defense Technical Information Archive
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The results of a three-dimensional stress analysis of a reentering Multi-Hundred Watt Heat Source Assembly are presented. The SAP IV computer program was used for a static analysis of the aeroshell for the maximum stress reentry hypothesized for the NASA Voyager launches. The temperature profile through the aeroshell thickness was applied with given external aerodynamic and inertial loads, and because the axial thermal gradients are unknown at the point of maximum combined stress, a...
Topics: DTIC Archive, Crawford,Michael L, AIR FORCE WEAPONS LAB KIRTLAND AFB N MEX, *STRESS ANALYSIS,...
Defense Technical Information Archive
by Defense Technical Information Center
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Living bone is continually undergoing processes of growth, reinforcement and resorption. These processes are termed collectively 'remodeling'. The remodeling processes in living bone are the mechanisms by which the bone adapts its histological structure to long-term changes in loading. Prolonged straining of a bone tends to make the bone stiffer, stronger and more dense; conversely, a living bone not subjected to its accustomed strain level will, in time, become more compliant, weaker and more...
Topics: DTIC Archive, Hegedus,David M, DAYTON UNIV OHIO RESEARCH INST, *BIOMECHANICS, *BONES,...
Defense Technical Information Archive
by Defense Technical Information Center
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The Joint Advanced Distributed Simulation (JADS) Joint Test and Evaluation (JT&E) was chartered by the Deputy Director, Test, Systems Engineering and Evaluation (Test and Evaluation), Office of the Secretary of Defense (Acquisition and Technology) in October 1994 to investigate the utility of advanced distributed simulation (ADS) technologies for support of developmental test and evaluation (DT&E) and operational test and evaluation (OT&E). The JADS Joint Test Force (JTF) is Air...
Topics: DTIC Archive, Wright, Darrell L, JOINT ADVANCED DISTRIBUTION SIMULATION/JOINT TEST AND EVALUATION...
Defense Technical Information Archive
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This thesis develops a method for quickly selecting a good flight path for an aircraft flying from its base to its mission objective when the flight path must be over a geographic area containing hostile radar installations. Several models are developed in detail and then integrated permitting a shortest path algorithm to be used to find a route from a starting location to a goal that approximately minimizes probability of detection. Fuel, time and distance constraints are incorporated...
Topics: DTIC Archive, Leary, John J., III, NAVAL POSTGRADUATE SCHOOL MONTEREY CA, *PENETRATION,...
Defense Technical Information Archive
by Defense Technical Information Center
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The FY 96 Geophysics Technology Area Plan describes Phillips Laboratory's exploratory and advanced technology development in the field of geophysics. The document addresses user needs, goals, major accomplishments, and changes from last year for each geophysics thrust. Thrust 1 describes geophysics for space operations and communications. Thrust 2 covers geophysics for air and combat operations. Finally, thrust 3 addresses geophysics with corporate applications. (AN)
Topics: DTIC Archive, PHILLIPS LAB KIRTLAND AFB NM, *INFRARED DETECTION, *GEOPHYSICS, *SPACE...