beyond-PRAISE

Structural Integrity Associates (SIA) developed beyond-PRAISE™, the advanced probabilistic software tool, to model crack initiation, crack growth, and crack stability for degradation mechanisms including fatigue, stress corrosion cracking (SCC), and flow accelerated corrosion (FAC), as well as material aging (i.e., time-dependent material properties). SIA’s beyond-PRAISE enables users by providing a more complete assessment of degradation mechanisms in reactor piping systems. SIA’s beyond-PRAISE is the newest generation of the original software, PRAISE™ (Piping Reliability Analysis Including Seismic Events).

Capabilities

Key Features:

By applying probabilistic methods, beyond-PRAISE™ accounts for uncertainties in material properties, loading, and environmental effects, giving utilities and regulators a more comprehensive, risk-informed basis for license renewal, safety evaluations, and long-term asset management.

DUAL ANALYSIS CAPABILITY

Supports both probabilistic and deterministic evaluations.

CLEAR UNCERTAINTY TREATMENT

INTEGRATED SUPPORT

Separates inherent randomness (aleatory) from knowledge gaps (epistemic) through dual calculation loops.

EXPANDED MODELING SCOPE

Includes fatigue initiation, IWSCC and PWSCC initiation and growth, time-dependent material properties, service bending and tension loads, wall thinning from FAC, and updated stress intensity/J-integral solutions.

INSPECTION & REPAIR MODULE

Accounts for sizing uncertainty and repairs to reflect real-world conditions.

MODERN SOFTWARE DESIGN

Built in a Windows based, object-oriented architecture with modular construction for future adaptability.

COMPUTATION EFFICIENCY

Selective lifetime calculation reduces processing time while maintaining rigor.

QUALITY ASSURED

The beyond-PRAISE™ was developed under Structural Integrity Associates’ formal Quality Assurance procedures, compliant with:

CASE STUDIES, TECH BRIEFS AND OTHER PUBLICATIONS

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