Tungsten Fusion Radiation Damage Cascade Simulator

1-Billion-Atom MD Scale Model (BCC W <100>)
Non-Linear Sublinear → Superlinear → Linear

Collision Presets

PKA & Lattice Controls

PKA Energy (Epka)50 keV
Impact Angle (θ)28°
Lattice Temp (T0)573 K (300°C)
Helium Impurity Conc.0.2 at%

Atomic Lattice Cross-Section (180×180 nm)

W Atom PKA/Ion Interstitial Vacancy Molten Spike
PHASE: BALLISTIC COLLISION (0.15 ps)
Cascade Time: 12.0 ps
Superlinear Regime (10–100 keV): Overlapping thermal spike cores prevent localized recrystallization annealing, causing a sharp spike in defect survival & large cluster loops.

Defect Telemetry

Surviving Frenkel Pairs
184
Damage Efficiency (ξ)
0.44
NRT Theoretical Limit
416
Cluster Fraction
68%

Damage Scaling vs Model (Log-Log)

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