Nomenclature
Speed of sound of material for critical time increment calculation
Compressive material strength
Tensile material strength
C
Damping matrix
E
Young’s modulus
F
Force/Load
G
Shear modulus
G 1c
Mode I fracture toughness
K
Stiffness matrix
Characteristic element length
M
Mass matrix
∆∆
Critical time increment
∆∆
Time increment
γ
Shear strain
ν
Poisson’s ratio
Density of material
σ t
Tensile strength of face sheet
σ c
Compressive strength of face sheet
τ 12
Shear strength of face sheet