BlogInsights from Our Seismic Qualification Desk
Technical explainers and case notes on nuclear seismic analysis, FEA seismic qualification, Floor Response Spectra, shake table testing, seismic pipe stress and extreme load evaluation.
Nuclear Seismic Qualification: FEA vs. Shake Table Testing
When FEA seismic analysis is sufficient, when physical shake table testing is mandatory, and how the two qualification routes support each other.
- FEA-based qualification
- Shake table testing support
- Qualification test reports
Generating Floor Response Spectra Regulators Accept
Building regulatory-grade structural and building models that produce accurate FRS across every floor elevation.
- Regulator-approved models
- Multi-elevation FRS
- Seismic FEA workflow
Seismic Margin Assessment under the AERB Framework
Estimating the failure probability of SSCs during extreme seismic events using advanced FEA techniques.
- Failure probability
- Beyond-design-basis events
- AERB compliance
Seismic Pipe Stress & Flexibility Analysis to ASME
Static and dynamic analysis that seismically qualifies bolts, anchor plates, supports and welds for nuclear piping packages.
- Static & dynamic analysis
- Support code qualification
- ASME B31 / B&PV
Seismic Re-evaluation of Legacy Nuclear SSCs
Using focused FEA seismic re-assessments to re-qualify ageing systems against revised safety classifications.
- Legacy SSC re-qualification
- Revised safety classes
- Focused FEA re-assessment
Extreme Load Analysis: Air Shock Waves & Air Crash
Modelling high-impact accidental loads alongside the design-basis earthquake for safety-critical nuclear structures.
- ASW simulation
- Aircraft impact (AC) analysis
- Non-linear seismic FEA
Nuclear Seismic Qualification: FEA vs. Shake Table Testing
When FEA seismic analysis is sufficient, when physical shake table testing is mandatory, and how the two qualification routes support each other.
- FEA-based qualification
- Shake table testing support
- Qualification test reports
Generating Floor Response Spectra Regulators Accept
Building regulatory-grade structural and building models that produce accurate FRS across every floor elevation.
- Regulator-approved models
- Multi-elevation FRS
- Seismic FEA workflow
Seismic Margin Assessment under the AERB Framework
Estimating the failure probability of SSCs during extreme seismic events using advanced FEA techniques.
- Failure probability
- Beyond-design-basis events
- AERB compliance
Seismic Pipe Stress & Flexibility Analysis to ASME
Static and dynamic analysis that seismically qualifies bolts, anchor plates, supports and welds for nuclear piping packages.
- Static & dynamic analysis
- Support code qualification
- ASME B31 / B&PV
Seismic Re-evaluation of Legacy Nuclear SSCs
Using focused FEA seismic re-assessments to re-qualify ageing systems against revised safety classifications.
- Legacy SSC re-qualification
- Revised safety classes
- Focused FEA re-assessment
Extreme Load Analysis: Air Shock Waves & Air Crash
Modelling high-impact accidental loads alongside the design-basis earthquake for safety-critical nuclear structures.
- ASW simulation
- Aircraft impact (AC) analysis
- Non-linear seismic FEA