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THE MISSION OF THIS PHASE I PROJECT IS TO DEVELOP A ROBUST AND ACCURATE COMPUTER CODE FOR PREDICTING INCOMPRESSIBLE TRANSIENT TURBULENT FLOWFIELDS USING AN INTEGRAL (FINITE VOLUME) TECHNIQUE. THE CODE WILL BE APPLICABLE TO BOTH EXTERNAL AND INTERNAL FLOW GEOMETRIES,WILL BE CONSTRUCTED IN A GENERALIZED COORDINATES FRAMEWORK, BE OPERABLE EITHER FULLY ELLIPTIC OR PARABOLIC-ELLIPTIC, AND POSSESS A TWO ...

A TEST PROGRAM IS PROPOSED TO DEMONSTRATE THE USE OF VOICE INPUT IN AN INTUITIVE ENVIRONMENT FOR PROGRAMMING. THE PROGRAMMING ENVIRONMENTS, WHICH IS UNDER DEVELOPMENT BY ECLECTECH, CONSISTS OF ASSEMBLING A FLOW CHART FROM A MENU OF ICONS ON A GRAPHICS WORK STATION. THE INTERACTIVE PROCESS RESULTS IN THE CONCURRENT CONSTRUCTION OF A FLOW CHART AND A USER SPECIFIED HIGH LEVEL LANGUAGE (HLL) SOURCE T ...

Titanium metal is used extensively in the fabrication of commercial and military aircraft components due to its ideal strength to weight properties. However, its hostile chemical corrosion effects on other materials make it a difficult metal to machine. This research effort will utilize the thermochemical inertness of Zirconium diboride to titanium to develop a highly efficient cutting tool insert ...

THIS PROPOSAL DESCRIBES METHODS TO AUTOMATE THE PRINTING INDUSTRY THROUGH THE DEVELOPMENT OF ROBOTIC END EFFECTORS, SYSTEMS, AND COMPUTER INTEGRATION. FLEXIBILITY OF ROBOTIC ARMS ARE EXTENDED THROUGH ADVANCED END EFFECTOR DESIGNS BASED ON THE SENSITIVE END EFFECTOR SYSTEM (SEES) CONCEPT. THE SEES HAS PROXIMITY/RANGING, TACTILE, TRACKING, IMAGING, SLIP DETERMINATION AND SLIP CORRECTION CAPABILITIES ...

THE TELEOPERATED SENSITIVE END EFFECTOR SYSTEM (TELESEES) UTILIZES THE MECHANICAL RESPONSE OF THE SENSITIVE END EFFECTOR SYSTEM (SEES) TO PROVIDE THE OPERATOR IN A TELEOPERATED SYSTEM WITH TACTILE FEEDBACK. THE SEES IS A TACTILE SENSOR THAT PRODUCES A SIGNAL PROPORTIONAL TO THE PRESSURE OR FORCE. CONVERSELY, PRESSURE CAN BE APPLIED INTERNALLY TO PRODUCE A DEFLECTION. THE DEFLECTED FORCES IS IN DIR ...

Accurate Automation Corporation (AAC) will develop a low-cost trainer based on PC technology. The objective is to provide the U.S. Navy with the ability to readily train personnel to operate unmanned vehicle systems when high-cost training systems and actual control systems are in short supply. This trainer will incorporate 1) a reconfigurable Graphical User Interface (GUI) to simulate the target ...

Utilizing directed energy weapons effectively in an offensive situation or determining the level of protection needed for defense requires the ability to select the proper DEW source characteristics and method of delivery based on the target, any shielding and the desired effect. This is an incredibly difficult problem to resolve due to the large number of variables to contend with. Accurate Aut ...

Sterilization requirements in far-forward Roles 1 & 2 are challenging and not easily satisfied with currently available commercial devices. Steam-sterilant systems are hindered by excessive cube/weight, large power requirements, high water consumption and fragile unreliable designs. Non-steam options such as ozone and ethylene oxide have harmful residues, undesirable off-gassing, long cycle times, ...

Traditional manufacturing methods for producing warheads, propellants, and pyrotechnic systems are timely and costly. Additive manufacturing (AM) approaches offer one path of alternative manufacturing technologies. Among various technologies, powder bed fusion (PBF) is one promising approach. Hewlett Packard’s Multi-Jet Fusion printers utilize a unique PBF process that presents a desirable solut ...