Table 1. Material Properties of Homalite 100a



Material Properties of Homalite 100	Static	Dynamic
Young's modulus E,b GPa	3.9	5.2
Shear modulus mu,b GPa	1.4	1.9
Poisson's ratio nub	0.35	0.34
Density rho,b kg/m3	1230	
Friction f c	0.6	0.2
P wave velocity, vp,c m/s		2498
S wave velocity, vsc m/s		1200
Characteristic displacement dc,c m		10-5

aStatic values for elastic moduli were calculated using standard relations for an isotropic linear elastic solid. Dynamic values for elastic moduli were measured with ultrasonic transducers.
bSamudrala and Rosakis [2003].
cXia et al. [2004].