IBSIMU: A three-dimensional simulation software for charged particle optics

Journal Article · Mon Feb 15 00:00:00 EST 2010 · Review of Scientific Instruments

DOI:https://doi.org/10.1063/1.3258608· OSTI ID:22053889

Kalvas, T; Tarvainen, O; Ropponen, T; Steczkiewicz, O; Aerje, J ^[1]; Clark, H ^[2]

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1. Department of Physics, University of Jyvaeskylae, Jyvaeskylae 40500 (Finland)
2. Cyclotron Institute, Texas A and M University, College Station, Texas 77843 (United States)

A general-purpose three-dimensional (3D) simulation code IBSIMU for charged particle optics with space charge is under development at JYFL. The code was originally developed for designing a slit-beam plasma extraction and nanosecond scale chopping for pulsed neutron generator, but has been developed further and has been used for many applications. The code features a nonlinear FDM Poisson's equation solver based on fast stabilized biconjugate gradient method with ILU0 preconditioner for solving electrostatic fields. A generally accepted nonlinear plasma model is used for plasma extraction. Magnetic fields can be imported to the simulations from other programs. The particle trajectories are solved using adaptive Runge-Kutta method. Steady-state and time-dependent problems can be modeled in cylindrical coordinates, two-dimensional (slit) geometry, or full 3D. The code is used via C++ programming language for versatility but it features an interactive easy-to-use postprocessing tool for diagnosing fields and particle trajectories. The open source distribution and public documentation make the code well suited for scientific use. IBSIMU has been used for modeling the 14 GHz ECR ion source extraction and for designing a four-electrode extraction for a 2.45 GHz microwave ion source at Jyvaeskylae. A grid extraction has also been designed for producing large uniform beam for creating conditions similar to solar wind. The code has also been used to design a H{sup -} extraction with electron dumping for the Cyclotron Institute of Texas A and M University.

• OSTI ID: 22053889
• Journal Information: Review of Scientific Instruments, Vol. 81, Issue 2; Conference: ICIS 2009: 13. international conference on ion sources, Gatlinburg, TN (United States), 20-25 Sep 2009; Other Information: (c) 2010 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); ISSN 0034-6748
• Country of Publication: United States
• Language: English

Related Subjects

71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
43 PARTICLE ACCELERATORS
BEAM EXTRACTION
BEAM-PLASMA SYSTEMS
CHARGED PARTICLES
COMPUTER CODES
CYCLOTRONS
CYLINDRICAL CONFIGURATION
ECR ION SOURCES
ELECTRONS
GHZ RANGE
MAGNETIC FIELDS
MICROWAVE RADIATION
NEUTRON GENERATORS
NONLINEAR PROBLEMS
POISSON EQUATION
RUNGE-KUTTA METHOD
SPACE CHARGE
STEADY-STATE CONDITIONS
THREE-DIMENSIONAL CALCULATIONS
TIME DEPENDENCE
TRAJECTORIES