Lab 16: Isometric Crash Lattice & Telemetry

6061-T6 Aluminum (28.5 kg chassis, M = 1,600 kg) rigid barrier impact

0 MPa
276 Yield / 310+ Fracture
Model A: 90° Box Spaceframe Euler column buckling
Model B: 109.5° Helical Diagrid Torsional wave dispersion
Drag to rotate 3D (Yaw 28°, Pitch 18°) • Hover struts
Node #12: 184 MPa
Model A • 90° Box FRACTURE (>310 MPa)
Peak Stress 318 MPa
Cabin Decel 48.2 G
Crush / Ed 412 mm / 128 kJ
Model B • 109.5° Helix ELASTIC-PLASTIC SAFE
Peak Stress 184 MPa
Cabin Decel 21.4 G
Crush / Ed 538 mm / 147 kJ

Cabin Deceleration Pulse (G-Force vs. Time 0–90 ms)

Model A (Spiky Buckling) Model B (Helical Plateau)
v0 = 15.65 m/s • Ek = 195.9 kJ
45 ms
35 mph