GEOPHYSICAL RESEARCH LETTERS, VOL. ???, XXXX, DOI:10.1029/, Solar wind interaction with Mars upper atmosphere: 1 Results from the one-way coupling between the 2 multi-fluid MHD model and the MTGCM model 3 Chuanfei Dong, 1 Stephen W. Bougher, 1 Yingjuan Ma, 2 Gabor Toth, 1 Andrew F. Nagy, 1 and Dalal Najib 3 Corresponding author: C. F. Dong, Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, Michigan, USA. (dcfy@umich.edu) 1 Department of Atmospheric, Oceanic and Space Sciences, University of Michigan, Ann Arbor, Michigan, USA. 2 Department of Earth and Space Sciences, UCLA, Los Angeles, California, USA. 3 National Academy of Sciences, Washington, D.C., USA. DRAFT April 1, 2014, 12:27pm DRAFT