1. FDTD Simulations in MRI Bart van de Bank Department of Radiology University Medical Center Utrecht [email_address] +31 (0)88 – 75 51386 MSc student @ Life Sciences Biomedical Image Sciences

3. Introduction: Larmor equation 64MHz 128MHz 298MHz

4. Introduction: B 0 & B 1 -field B 0 B 1 Coil M z Δθ Z X’ Y’

11. FDTD simulation: Yee Cell z x y

12. FDTD simulation: Model Thelonious Ella Billie Duke 1.74 m 70 kg Van den Bergen, B et.al. 7 T body MRI: B 1 shimming with simultaneous SAR reduction; Physics in Medice and Biology 52 (2007) 5429-5441 http://www.itis.ethz.ch/index/index_humanmodels.html

15. Application: Bodycoil excitation Van den Bergen, B et.al. 7 T body MRI: B 1 shimming with simultaneous SAR reduction; Physics in Medice and Biology 52 (2007) 5429-5441

17. Application: Bodycoil excitation Van den Bergen, B et.al. 7 T body MRI: B 1 shimming with simultaneous SAR reduction; Physics in Medice and Biology 52 (2007) 5429-5441

20. Application: Travelling-wave Andreychenko, A et.al. Effective delivery of the traveling wave to distant locations in the body at 7T ; Proc. Intl. Soc. Mag. Reson. Med. 17 (2009) p. 500

21. Application: Travelling-wave Andreychenko, A et.al. Effective delivery of the traveling wave to distant locations in the body at 7T ; Proc. Intl. Soc. Mag. Reson. Med. 17 (2009) p. 500 Conductive shield Pelvic

22. Application: Travelling-wave Coronal image of the pelvis RF induced signal contrast of the pelvic region Andreychenko, A et.al. Effective delivery of the traveling wave to distant locations in the body at 7T ; Proc. Intl. Soc. Mag. Reson. Med. 17 (2009) p. 500