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- SIMION abstract "SIMION is an ion optics simulation program that calculates electric fields for electrodes of defined voltages and ion trajectories in those fields.The program was developed in the late 1970s by Don C. McGilvery at Latrobe University, Melbourne, Australia and was adapted to personal computers in 1985 by David A. Dahl at the Idaho National Engineering and Environmental Laboratory. SIMION 8.0 was initially released in 2006. The current version is SIMION 8.1, released in August 2011; minor updates are being released continuously.SIMION 3D is a widely used ion-optics simulation program in many branches of physics. In SIMION, electrostatic fields can be modelled as boundary value problem solutions of an elliptical partial differential equation called the Laplace equation. The specific method used within SIMION to solve this equation is a finite difference method called over-relaxation. This technique is applied to a three-dimensional potential array (PA) of points representing electrode and non-electrode regions. The objective is to obtain a best estimate of the voltages for the points between the electrodes. The three-dimensional array is chosen to have either cylindrical or planar symmetry or no symmetry at all. The Laplace equation has the convenient property that its solution is a sum over the contribution from each electrode. Therefore, after the electric field array has been found once by iteration, the voltages of the individual electrodes can be changed and the new fields are immediately obtained.When the electric fields have been obtained, the trajectories of charged particles in these fields can be calculated. Particle trajectory calculations are a result of three interdependent computations. First, electrostatic forces must be calculated at the current position of the ion. These forces are then used to compute the current ion acceleration and then by numerical integration techniques to predict the position and velocity of the ion at the next time step. Moreover, the time step itself is continuously adjusted to maximize trajectory accuracy. A standard fourth-order Runge–Kutta method is used for numerical integration of the ion trajectory in three dimensions.".
- SIMION latestReleaseDate "2012-05-14".
- SIMION latestReleaseVersion "8.1.1.1".
- SIMION wikiPageExternalLink iosimulations.html.
- SIMION wikiPageExternalLink simion.com.
- SIMION wikiPageExternalLink simion.shtml.
- SIMION wikiPageExternalLink www.simion.com.
- SIMION wikiPageID "20718802".
- SIMION wikiPageRevisionID "605808084".
- SIMION hasPhotoCollection SIMION.
- SIMION latestReleaseDate "2012-05-14".
- SIMION latestReleaseVersion "8.1".
- SIMION name "SIMION".
- SIMION operatingSystem "Windows".
- SIMION website simion.com.
- SIMION subject Category:Mass_spectrometry_software.
- SIMION subject Category:Science_software_for_Windows.
- SIMION type Abstraction100002137.
- SIMION type Code106355894.
- SIMION type CodingSystem106353757.
- SIMION type Communication100033020.
- SIMION type Software106566077.
- SIMION type Writing106359877.
- SIMION type WrittenCommunication106349220.
- SIMION type Software.
- SIMION type Work.
- SIMION type CreativeWork.
- SIMION type InformationEntity.
- SIMION comment "SIMION is an ion optics simulation program that calculates electric fields for electrodes of defined voltages and ion trajectories in those fields.The program was developed in the late 1970s by Don C. McGilvery at Latrobe University, Melbourne, Australia and was adapted to personal computers in 1985 by David A. Dahl at the Idaho National Engineering and Environmental Laboratory. SIMION 8.0 was initially released in 2006.".
- SIMION label "SIMION".
- SIMION sameAs m.05231tb.
- SIMION sameAs Q7390394.
- SIMION sameAs Q7390394.
- SIMION sameAs SIMION.
- SIMION wasDerivedFrom SIMION?oldid=605808084.
- SIMION homepage simion.com.
- SIMION isPrimaryTopicOf SIMION.
- SIMION name "SIMION".