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@InProceedings{balcewicz:napac2019-tuplm12, author = {M.A. Balcewicz and M. Blaskiewicz and Y. Hao}, title = {{Method for a Multiple Square Well Model to Study Transverse Mode Coupling Instability}}, booktitle = {Proc. NAPAC'19}, pages = {395--398}, paper = {TUPLM12}, language = {english}, keywords = {DTL, collective-effects, space-charge, longitudinal-dynamics, simulation}, venue = {Lansing, MI, USA}, series = {North American Particle Accelerator Conference}, number = {4}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {10}, year = {2019}, issn = {2673-7000}, isbn = {978-3-95450-223-3}, doi = {10.18429/JACoW-NAPAC2019-TUPLM12}, url = {http://jacow.org/napac2019/papers/tuplm12.pdf}, note = {https://doi.org/10.18429/JACoW-NAPAC2019-TUPLM12}, abstract = {In the high intensity limit it can become difficult to simulate intense beams sufficiently within a short time scale due to collective effects. Semi-Analytic methods such as the Square Well Model*/AirBag Square Well** (SWM/ABS) exist to estimate collective effects within a short time scale. SWM/ABS discretizes the longitudinal confining potential into a single square well enforcing linearity for the case of linear transverse optics. A method is proposed here to extend the Square Well Method multiple square wells. This method preserves linearity properties that make it easily solvable within a short time scale as well as including nonlinear effects from the longitudinal potential shape.}, }