Abstract:THERE IS A DIRE NEED FOR AN EFFECTIVE OPTICAL COUNTERMEASURE TO PROTECT ARMY ASSETS FROM OPTICAL THREATS. THIS PROPOSED EFFORT IS DESINGED TO INVESTIGATE THE EFFECTIVENESS OF A POTENTIAL OPTICAL COUNTERMEASURE THAT CAN BE USED BOTH IN THE AIR AND JON THE GROUND. THE INTERACTION OF UTLTRSONIC… more
Abstract:PHASE I OF THIS PROPOSAL WILL DEFINE THE PARAMETERS ATTENDANT IN THE DEVELOPMENT OF A SATELLITE JAMMING SYSTEM. THE TARGETS FOR SUCH A SYSTEM MAY BE SPACEBORNE, AIRBORNE, OR GROUND DEVICES AND THE RD SPECTRUM WILL BE THAT OF BOTH CURRENT AND UPCOMING WEAPONRY. THE FIGURE OF EMRIT WILL BE THE… more
Abstract:THE OBJECTIVE OF PHASE I OF THIS PROPOSAL IS TO DETERMINE THE APPLICABILITY TO HUMAN FACTORS RESEARCH OF AN AUTOMATED SOFTWARE DESIGN TOOL. THIS TOOL, THE USE, IT METHODOLOGY, WAS DESIGNED TO FORMALIZE AND AUTOMATICALLY CHECK COMPLEX INTERACTIONS WITHIN SYSTEMS. IT PROVIDES A CAPABILITY TO PROTOTYPE… more
Abstract:A STUDY IS PROPOSED TO DEFINE AND EVALUATE CANDIDATE DUAL BALLISTIC COEFFICIENT (BETA) CONFIGURATIONS WHICH ARE FEASIBLE AND APPROPRIATE FOR THE HOMING PRECURSOR JAMMER (HPJ) SYSTEM. EMPHASIS WILL BE PLACED ON EVOLVING CONFIGURATIONS FEATURING MODERATE-TO-HIGH BETA AERODYNAMICALLY STABLE FIRST-STAGE… more
Abstract:A STUDY IS PROPOSED TO DEFINE AND EVALUATE FEASIBLE JAMMER EXPULSION CONCEPTS FOR THE HOMING PRECURSOR JAMMER (HPJ) SYSTEM, AND TO ASSESS THE IMPLICATIONS OF CANDIDATE EXPULSION CONCEPTS ON JAMMER AEROTHERMODYNAMIC PERFORMANCE AND REQUIREMENTS. CONCEPTS WHICH FEATURE THE SEQUENTIAL… more
Abstract:PULSE WELDING TECHNIQUES FOR HSLA STEELS HAVE THE ADVANTAGES OF IMPROVING MICROSTRUCTURE, REDUCING DISTORTION AND INCREASING MECHANICAL PROPERTIES. THE PRIMARY OBJECTIVE IS TO IMPROVE RELIABILITY AND PREDICTABILITY OF WELDING HSLA STEELS. A NEW ADVANCED SENSING SYSTEM "EDAP" WILL PROVIDE REAL TIME… more
Abstract:THIS PROPOSAL ADDRESSES A FEASIBILITY STUDY FOR A HIGHLY FLEXIBLE EXPERT SYSTEM-BASED BIBLIOGRAPHIC CITATION GENERATOR FOR PERSONAL COMPUTERS. THE RECENT PROLIFERATION OF INEXPENSIVE BUT RELATIVELY POWERFUL PERSONAL COMPUTERS HAS LED MANY SCIENTISTS AND SCHOLARS TO CONSTRUCT COMPUTERIZED DATABASES… more
Abstract:THE DISCRETE ELEMENT METHOD WILL BE APPLIED TO SIMULATE THE DYNAMIC RESPONSE OF SOIL BY MODELING THE SOIL AS A DISCRETE GRANULAR MATERIAL. THE INTERACTION AND MOTION OF EACH SOIL GRAIN WILL BE MODELED EXPLICITY. THE PROGRAM AUTOMATICALLY TRACKS THE MOTION OF EACH GRAIN. A PARAMETRIC STUDY WILL BE… more
Abstract:SIGNIFICANT ADVANCES HAVE BEEN MADE RECENTLY IN THE DISCRETE ELEMENT METHOD FOR THE ANALYSIS OF DYNAMIC EFFECTS ON UNDERGROUND STRUCTURES, VESSELS IN ICE INFESTED WATERS AND IN THE GENERAL SOLUTION OF DISCONTINUUM AND FRACTURING OF STRUCTURAL BODIES UPON IMPACT. THE METHOD HAS UNIQUE ADVANTAGES OVER… more
Abstract:THE LONG-TERM GOAL OF THIS PROJECT IS TO DEVELOP AN IMPLANTABLE ENZYMATIC-ELECTRO-CHEMICAL SENSOR UTILIZING GLUCOSE OXIDASE HOUSED IN A MICRO-TEXTURED CELL WITH ION TEXTURED SURFACES. THESE ION SURFACES ALLOW ALTERATIONS IN THE FIBROUS CAPSULE FORMATION; THE ALTERATIONS PERMIT INTIMATE CONTACT WITH… more
Abstract:THIS PROJECT WILL ASSESS THE REQUIREMENTS AND PROVIDE A BASIS FOR DESIGNING AN OPTIMIZED SYSTEM FOR A TOKAMAK REACTOR TO REACH THE HIGH-BETA, "SECOND STABILITY REGIME" FROM STARTUP, USING ELECTRON CYCLO- TRON HEATING (ECH) TECHNIQUES. THE POWER NEEDED TO ACHIEVE A STABLE PLASMA EVOLUTION TO THE… more
Abstract:THE THERMAL-BARRIER CONCEPT FOR TANDEM MAGNETIC MIRRORS HAS GREATLY INHANCED THE ATTRACTIVENESS OF THIS APPROACH TO CONFINING HIGH-TEMPERATURE PLASMAS FOR FUSION POWER. TRANSIENT EXISTENCE OF THERMAL BARRIERS HAS ALREADY BEEN DEMONSTRATED IN THE TMX EXPERIMENT AT LIVERMORE AND IN THE GAMMA 10… more
Abstract:CONTRACTOR WILL DEVELOP A NUMERICAL TECHNIQUE FOR COMPUTING THE TWODIMENSIONAL RCS OF AN ARBITRARY INFINITE CYLINDER. CYLINDER MAY BE INHOMOGENEOUS, ANISOTROPIC, ABRUPTLY DISCONTINUOUS, LOSSY, HYSTERETIC OR OTHERWISE NONLINEAR, AND TIME-VARYING. THE NUMERICAL TECHNIQUE WILL BE BASED ON A TIME-DOMAIN… more
Abstract:AN INERTIAL TRACKING SYSTEM, CONSISTING OF SUBMINIATURE LINEAR ACCELEROMETERS AND RATE SENSORS USED TO QUANTIFY THE SIX DEGREE OF FREEDOM RESPONSE OF A RIGID, TEST EQUIPMENT BASED COORDINATE SYSTEM IS DESCRIBED. THIS DATA WILL BE USED TO SUPPLEMENT PRESENTLY OBTAINED PHOTOGRAPHIC INFORMATION. SENSOR… more
Abstract:THERE IS A WELL ESTABLISHED NEED FOR IMPROVED MATERIAL PROPERTIES CHARACTERIZATIONS IN CONJUNCTION WITH NUCLEAR WEAPONS EFFECTS TESTS IN THE TUNNEL BED TUFFS BENEATH RAINIER MESA. SUBSTANTIALLY IMPROVED SITE CHARACTERIZATION TECHNIQUES WOULD PERMIT MORE CONFIDENT SELECTION OF INDIVIDUAL TEST SITES,… more
Abstract:A REQUIREMENT EXISTS TO ACQUIRE ACCURATE AIRBLAST LOAD DATA AT DYNAMIC PRESSURES UP TO 10 KBAR FOR LONG DURATION. THE GAGE USED TO MAKE THESE MEASUREMENTS SHOULD EXHIBIT A LINEAR AND NONHYSTERETIC TRANSFER CURVE, HAVE ADEQUATE FREQUENCY RESPONSE TO MEASURE THE PARAMETER OF INTEREST, USE EXISTING… more
Abstract:GEOLOGIC MATERIAL PROPERTY REQUIREMENTS FOR NUMERICAL CALCULATION OF AN EXPLOSIVE EVENT DEPEND ON SEVERAL FACTORS, INCLUDING: THE PEAK PRESSURE EXPECTED OR ACHIEVED, THE GEOMETRY OF LOADING, AND THE TYPE OF CALCULATION BEING PERFORMED. ADDITIONALLY, THE CLASS OF GEOLOGIC MATERIAL INVOLVED; E.G.,… more
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