Study on Impact Mechanical Properties of Reentrant Bionic Automotive Energy Absorbing Box

Figure 4

The deformation and stress of bioinspired structures: (a₁–a₄) HS stress distribution diagrams at compression strain of 0.044, 0.105, 0.204, and 0.245; (b₁–b₄) AHS stress distribution diagrams at compression strain of 0.044, 0.105, 0.204, and 0.245; (c₁–c₄) PS stress distribution diagrams at compression strain of 0.044, 0.105, 0.204, and 0.245; (d₁–d₄) APS stress distribution diagrams at compression strain of 0.044, 0.105, 0.204, and 0.245.