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NEiNastran V9

Noran Engineering, Westminster, CA, has released NEiNastran V9 finite element analysis (FEA) software for engineering analysis and simulation. Performance enhancements include added support for model input files over 10 million lines in size, an enhanced Lanczos eigensolver, and improved performance for models with composite laminates and large numbers of plies where individual ply results are requested. The software also features new parabolic shell elements, automated super-element analysis, automated surface contact and weld generation, 3D composites using solid elements, vibration fatigue analysis, combined qualitative/quantitative result assessment, and an enhanced Nastran Editor that includes a fully automated HTML report generator, shear flow plots, assignment plots, and an enhanced X-Y plotting interface. The software is available for Windows, Linux, and UNIX platforms.

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USB-3101 analog data output device

NMeasurement Computing, Norton, MA, has released the USB-3101 analog data output device that is fully compatible with USB 1.1 and 2.0 ports. The full-speed device is supported under Microsoft(r) Windows(r) operating systems and provides four channels of analog voltage output, eight digital I/O connectors, and one 32-bit event counter. Analog output ranges are ±10V and 0-10V. It is powered by the 5V USB supply from a computer, with no external power required. All I/O connections are made to the screw terminals located along each side of the device. Software support includes InstaCal installation, calibration, and test software; universal programming libraries for LabVIEW and other programming languages; SoftWIRE graphical programming system; DASYLab for data acquisition and control; and MATLAB's Data Acquisition Toolbox for control and communication.

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DA-130 ruggedized notebook computer

Dewetron, Charlestown, RI, has introduced the DA-130 ruggedized notebook computer that includes the company’s proprietary SideHAND® battery power system, allowing it to run indefinitely without any external power source. Batteries are hot-swappable, and can be exchanged even when the system is running off battery power. The DA-130 features a full-length, full-sized PCI slot, allowing virtually any PCI card to be installed. Also included are an Intel Pentium® CORE DUO® processor that can be configured with 1 GB or more of RAM, a fast hard drive subsystem, and integrated RAID controller. Based on a mini-ITX motherboard form factor, the computer can be upgraded continuously by replacing the motherboard. An allmetal chassis features high-impact rubber edges and corners, protects against EMI and RFI, and meets MIL-STD-810F shock and vibration specs. The DA-130 features a high-brightness, 15" 1024x768 TFT display that enables the system to be used in outdoor environments or in a variety of lighting conditions.

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ZScanner 700

Z Corporation, Burlington, MA, has introduced the ZScanner 700, a handheld, self-positioning 3D scanner that can digitize 3D surfaces in real time. The scanner is part-referenced, orienting itself to the target object, rather than to an external device. This eliminates the need for fixed-position tripods, mechanical arms, or other positioning devices that must be within the line of sight of the target surface. The user also can move the target object during scanning, and displays a real-time, on-screen image of the surface being scanned. To scan, the user holds the scanner and "paints" the object with a projected laser crosshair. The surface is recorded by the scanner's dual cameras, and ZScan software, included with the scanner, generates a polygon mesh of the surface on the computer screen in real time. The scanner captures data in one continuous scan. The software automatically produces an .stl file for import into a 3D CAD package, or output to a 3D printer. The system is accurate to within ±0.05 mm, and detects changes in surface height down to 0.1 mm. For Free Info Visit http://info.hotims.com/10952-120

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Hydraulic Apparatus for Mechanical Testing of Nuts

Advantages include mobility and reduced setup time.The figure depicts an apparatus for mechanical testing of nuts In the original application for which the apparatus was developed, the nuts are of a frangible type designed for use with pyrotechnic devices in spacecraft applications in which there are requirements for rapid, one-time separations of structures that are bolted together. The apparatus can also be used to test non-frangible nuts engaged without pyrotechnic devices.

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Measuring Radiation Patterns of Reconfigurable Patch Antennas on Wafers

Tests can be performed relatively inexpensively and without sawing wafers.An apparatus and technique have been devised for measuring the radiation pattern of a microwave patch antenna that is one of a number of identical units that have been fabricated in a planar array on a high-resistivity silicon wafer. The apparatus and technique are intended, more specifically, for application to such an antenna that includes a DC-controlled microelectromechanical system (MEMS) actuator for switching the antenna between two polarization states or between two resonance frequencies.

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Photodiode-Based, Passive Ultraviolet Dosimeters

Outputs of photodiodes are fed to coulometers.Simple, passive instruments have been developed for measuring the exposure of material specimens to vacuum ultraviolet (VUV) radiation from the Sun. Each instrument contains a silicon photodiode and a coulometer. The photocharge generated in the photodiode is stored in the coulometer. The accumulated electric charge measured by use of the coulometer is assumed to be proportional to the cumulative dose of VUV radiation expressed in such convenient units as equivalent Sun hours (ESH) [defined as the number of hours of exposure to sunlight at normal incidence]. Intended originally for use aboard spacecraft, these instruments could also be adapted to such terrestrial uses as monitoring the curing of ultraviolet-curable epoxies.

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