Study of Dynamic Behavior of Multilayered Clamped Composite Skewed Hypar Shell Roofs under Impact Load

Figure 2

Contact force history of clamped plate. 𝐸₁₁=142.73 GPa, 𝐸₂₂=13.79 GPa, 𝐺₁₂=4.64 GPa, 𝜈₁₂=0.30, 𝜌=1.61×10³ kg/m³, 𝑎=𝑏=0.14 m, ℎ=3.81×10⁻³ m, mass of striker =0.014175 kg, velocity of striker =22.6 m/s, contact stiffness (𝑘_𝑐)=1×10⁸ N/m^1.5.