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PC shipments rise to 69.9m units
Intel adds momentum; AMD makes long-term gains in Q1 microprocessor market, according to iSuppli Corp
Surging demand for valves and actuators
Rising demand from diverse process industries supports steady growth in global valves and actuators market
Electric motors and gearboxes may never look the same again
Jon Severn meets Justin Levine, the managing director of Parvalux Electric Motors,  the man for whom design is a mainstay of his strategy to rejuvenate the company
Bi-stable displays gain momentum
Despite LCD dominance, opportunities remain for emerging display technologies
Airlines assess carbon costs
Only around 40 per cent of the 20 carriers surveyed currently monitor and report emissions data, Pricewaterhouse Coopers
Lenovo aces out Acer
Chinese PC OEM Lenovo shipped 4.9m PCs worldwide in the second quarter, up 22.9 per cent from 3.96m in the first quarter
Fig. 1. Electron rays in a focussing electrode simulation.

Fig. 2. Electron rays in a focussing electrode simulation including an imported magnetic field.

Putting theory and measurement into simulation

It often frustrates users of simulation software (FEM, BEM, FDTD, etc) to spend time getting to the point where the software tells them what they already knew from measurement or experience. Only then are they able to use the model to answer new questions. Engineers often wish for the ability to make use of simple existing measurements on the device to simplify the simulation process.

Lorentz, a charged particle beam solver by Integrated Engineering Software, enables users to import electric and magnetic field data. This might be theoretical data, measured data, or existing results from software the user already owned. Advanced users can highly customise the import by writing a DLL which passes field data versus time and position to Lorentz. For a more basic interface, Lorentz, can import data from a text file. That data will be interpolated as necessary when performing the trajectory calculations. The imported fields can be used instead of simulation within Lorentz, or can be superposed with Lorentz, field simulations. Hence, it is now only necessary to purchase solution modules which are required for new simulation. Possible applications include ion implantation, electron and ion guns, multipaction and ion mobility spectroscopy.

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Integrated Engineering Software is

based in Winnipeg, Canada. www.integratedsoft.com