Recent Progress in EM-GTS code*

In this presentation I will give the overview of the recent progress in the development of the electromagnetic capabilities in the gyro-kinetic PIC code GTS.  I will describe the Startsev-Lee EM scheme that is capable of simulating the micro-tearing (MTM) modes and which recently has been extended to the general  tokamak geometry and implemented into GTS.  Initial attempts to simulate the MTM modes in the core of the NSTX will be presented.  We have also implemented the modified Mishichenko’s  general  geometry EM scheme into GTS for cross-scheme-verification. The EM-GTS  is  currently  being used to study the electromagnetic modes in the pedestal region of  the DIIID.  The benchmarking of the code in the Cyclone and pedestal  DIIID  geometry against published results is ongoing  to better understand the resolution requirements  of the implemented EM schemes.