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- A. C. Kabel, V. Akcelik, A. E. Candel, L. Ge, K. Ko, L. Lee, Z. Li, C.-K. Ng, E. E. Prudencio, G. L. Schussman, R. Uplenchwar, L. Xiao
SLAC, Menlo Park, California
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The International Linear Collider (ILC) is the highest priority future accelerator project in High Energy Physics whose R&D is presently the focus of the Global Design Effort (GDE). SLAC's Advanced Computations Department (ACD) is involved in the accelerating cavity design for the ILC main linac using the advanced tools developed under the US DOE SciDAC initiative. The codes utilize higher-order finite elements for increased accuracy and are in production mode on distributed memory supercomputers at NERSC and NCCS to perform the large-scale simulations needed by the ILC cavity design. Presently the code suite includes the eigensolver Omega3P for calculating mode damping, the time-domain solver T3P for computing wakefields, and the particle tracking code Track3P for simulating multipacting and dark current. This talk will provide an overview of their applications to the baseline TDR cavity design, and the alternate Low-Loss and Ichiro designs. Numerical results on HOM damping, cavity deformations, multipacting, and trapped modes in multi-cavity structures will be presented. Design issues with the input coupler and the HOM notch filter will also be addressed.
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