Structural Engineering
Factor of Safety Simulator
Examine tension specimen yielding limits by modulating yield strength and applied working stresses. Animate load sweeps to witness plastic limits and failure envelopes in real-time.
Design Target
FoS ≥ 1.5
Structural Code
Specimen
Dogbone ASTM E8
Tension standard
Output
CSV
Export ready
Parameters
Material Preset
Animated stress sweep
Design Criteria Equations
Factor of Safety (FoS)
FoS = σ_yield / σ_working
Margin of Safety (MoS)
MoS = FoS - 1
Failure Criteria
FoS < 1.0 (Plasticity / Yielding)
Structural code typically demands a target FoS ≥ 1.5.
Current design margin: 150%.
Interactive Strain Specimen
Safety Status
Safe
Factor of Safety (FoS)
2.50
Margin of Safety (MoS)
1.50
Stress Ratio
40.0%
Factor of Safety vs. Working Stress
Safety Factor Profile
| Working Stress (MPa) | Factor of Safety (FoS) | Margin of Safety (MoS) |
|---|---|---|
| 20 MPa | 12.50 | 11.50 |
| 118 MPa | 2.12 | 1.12 |
| 216 MPa | 1.16 | 0.16 |
| 314 MPa | 0.80 | -0.20 |
| 412 MPa | 0.61 | -0.39 |
| 510 MPa | 0.49 | -0.51 |
| 608 MPa | 0.41 | -0.59 |
| 706 MPa | 0.35 | -0.65 |
| 804 MPa | 0.31 | -0.69 |
| 902 MPa | 0.28 | -0.72 |
| 1000 MPa | 0.25 | -0.75 |