A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z  

Gjonaj, E.

Paper Title Page
THPAN021 Analysis of a Particle-In-Cell Code Based on a Time-Adaptive Mesh 3271
  • S. Schnepp, E. Gjonaj, T. Weiland
    TEMF, Darmstadt
  Funding: This work was partially funded by HGF (VH-FZ-005) and DESY Hamburg.

For the coupled simulation of charged particles and electromagnetic fields several techniques are known. In order to achieve accurate results various parameters have to be taken into account. The number of macro-particles per cell, the resolution of the computational grid, and other parameters strongly affect the accuracy of the results. In the code tamBCI, based on a time-adaptive mesh, additional variables related to the adaptive grid refinement have to be chosen appropriately. An analysis of these values is carried out and the results are applied to the self-consistent simulation of the injector section of FLASH in 3D.

FRPMN018 Wake Computations for Undulator Vacuum Chambers of PETRA III 3943
  • R. Wanzenberg, K. Balewski
    DESY, Hamburg
  • E. Gjonaj, T. Weiland
    TEMF, Darmstadt
  At DESY it is planned to convert the PETRA ring into a synchrotron radiation facility, called PETRA III. The wake fields of a tapered transition from the standard vacuum chamber to the small gap chamber of the insertion devices contribute significantly to the impedance budget of PETRA III. The computer codes MAFIA and PBCI have been used to determine the loss and kick parameter of the tapered transition. PBCI is a recently developed parallelized, fully 3D wake field code, which is using a purely explicit, split-operator scheme to solve the Maxwell equation in the time domain.