Research Article

Investigation on Dynamic Propagation Characteristics of In-Plane Cracks in PVB Laminated Glass Plates

Table 1

Basic parameters for numerical model.

PropertiesReference parameters

Glass layer [40, 41]Density2500 kg/m3
Young’s modulus70 GPa
Poisson’s ratio0.22
Maximum allowable principal stress60 MPa
Energy release rate: , ,  J/m2,  J/m2
Thickness 2 mm

PVB interlayer [41, 42]Density1100 kg/m3
Shear modulus: ,  GPa,  GPa
Decay factor 12.6 s−1
Bulk modulus 20 GPa
Thickness 0.76 mm

ImpactorMass2 kg
Young’s modulus207 GPa
Poisson’s ratio0.22
Length 20 mm
Radius 5 mm