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The rshellweg repository is where RadiaSoft maintains open source software for modeling linacs. This includes the Hellweg C++ physics kernel, the Windows-only Hellweg GUI, and associated Python code for testing.

For support or more information, please create an issue in this repository.

Original author and primary developer: Sergey V. Kutsaev, RadiaBeam Technologies LLC

Hellweg was initially developed at the RF laboratory of the National Research Nuclear University (MEPhI).

Contributing developers: Ilya Pogorelov, Paul Moeller, Robert Nagler, Garret Sugarbaker and Evan Carlin (RadiaSoft LLC), Yury Eidelman (Eidelman Scientific Consulting)

Original port to GNU/Linux: Jose 'Pepe' Barbe-Welzel

Hellweg

Hellweg is a C++ application for simulating high-average-power, traveling wave (TW) electron linacs, including the important effects of beam loading. It can also be used for modeling beam transport with a variety of standard elements.

Hellweg has a GUI for use on Windows, if compiled with Embarcadero's C++ Builder using the provided configuration file.

We provide a User Guide and a Suite of Examples.

The Hellweg physics kernel compiles on Linux without the GUI. The C++ physics kernel provides an API that is called from Python. These Python-wrapped capabilities are referred to as 'rshellweg'.

S.V. Kutsaev, “Electron dynamics simulations with Hellweg 2D code”, Nuclear Instruments and Methods in Physics Research A618, pp. 298–305 (2010).

S.V. Kutsaev, N.P. Sobenin, A.Yu. Smirnov, D.S. Kamenschikov, M.A. Gusarova, K.I. Nikolskiy, A.A. Zavadtsev and M.V. Lalayan, “Design of hybrid electron linac with standing wave buncher and traveling wave structure”, Nuclear Instruments and Methods in Physics Research A636, p. 13 (2011).

S.V. Kutsaev, R.B. Agustsson, A. Arodzero, R.D.B. Berry, S. Boucher, Y.C. Chen, J.J. Hartzell, B.T. Jacobson, A. Laurich, A.Y. Murokh, E.A. Savin, A.Yu. Smirnov and A. Verma, “Design, Simulations and Experimental Demonstration of an Intra-Pulse Ramped-Energy Travelling Wave Linac for Cargo Inspection”, Proc. of NAPAC, TUPOA68 (2016).

S.V. Kutsaev, Y. Eidelman, D.L. Bruhwiler, P. Moeller, J.F. Barbe Welzel and R. Nagler, “Cloud-based design of high average power traveling wave linacs,” J. Phys.: Conf. Series 941 012106 (2018).

S.V. Kutsaev, Y. Eidelman and D.L. Bruhwiler, “Generalized 3D beam dynamics model for industrial traveling wave linacs design and simulations,” Nuclear Instr. and Meth. in Phys. Research A906, p. 127 (2018).

S.V. Kutsaev, Y. Eidelman and D.L. Bruhwiler, “Self-consistent 3D beam dynamics model with space charge for Hellweg code enhancement” (2019), in preparation.

Support for Hellweg and rshellweg development has been provided by the US Department of Energy, Office of Science, Office of High Energy Physics under Award # DE-SC0015897. Additional support has been provided by RadiaSoft LLC and RadiaBeam Technologies, LLC.

License: http://www.apache.org/licenses/LICENSE-2.0.html

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