# Tutorial: MRI LP Birdcage

### From openEMS

**Download**the latest matlab file using Github: MRI_LP_Birdcage.m

**Warning:** This tutorials runs for almost 7h at a speed of 65 MC/s.

## Contents |

### Requirements

- openEMS v0.0.31 or later
- Matlab R2011a or later for converting the body model once! (Octave currently is not supported)
- The "Virtual Family Model"
^{[1]}, more infos: [1]

## This tutorial covers

- setup of an
**3T MRI low pass birdcage coil**(f_0 = 128 MHz) - setup of a
**cylindrical FDTD mesh**including sub-grids - Converting and including a Virtual Family Body Model
- adding a 3D SAR dump box
- calculate the S-Parameter
- calculate and plot and
- calculate and plot the SAR distribution

## Results

## Literature

- ↑ Christ A, Kainz W, Hahn E G, Honegger K, Zefferer M, Neufeld E, Rascher W, Janka R, Bautz W, Chen J, Kiefer B, Schmitt P, Hollenbach H P, Shen J X, Oberle M,Szczerba D, Kam A, Guag J and Kuster N: The Virtual Family – Development of surfacebased anatomical models of two adults and two children for dosimetric simulations, Phys. Med. Biol. 55 (2010)