Analysis of Viscoelastic and Poroelastic Behavior in MR Elastography

Keywords

accurate actuated actuation actuator addition adequate although analyzed anatomic anatomical appropriate approximation arterial artifacts assumed assumptions attenuation beams become behavior better brain caused causing champaign coefficient college commonly compressional conductivity confirms consistency consistent constants constrained constraints corresponds cranial cranium cyclic density development difficult displacement elastic engineering environment equation equations examines example exponential external externally fall features find flow fluid form free frequencies frequency function functions generally governing healthy homogeneous human hydraulic incorrectly infiltrating intrinsic isotropic john likely literature matrix mechanical medical mode model modeling models modulus motion numerical overestimating peak performance phys physical physically physiological physiology plot plotted pore porosity portion predicted preferable pressure previous produce prone properties published pulsations pursuing recent reconstruct reconstructions redistribution reed regarded reported representative represents required requires resonant respectively resultant reviews sack school shear simulations solid source spatially stiffness structures studies subjects suggest suitability system tissue tissues trans treating true vascular vector vibration viscoelastic volunteers weaver