Inputs

• Cross-platform graphical user interface
• Free-format keyword interface
• 17 probability density functions
• Define distributions in terms of moments or natural parameters
• Correlated random variables with most distribution types
• Users/Theory manual

Outputs

• Cumulative distribution function
• Probability of failure for given performance level
• Performance level for given probability of failure
• Probabilistic sensitivity factors w.r.t. μ and σ
• Input variable importance levels
• Confidence Bounds
• Empirical CDF and histogram

Results Visualization

• Scatter, bar, and pie charts
• Comparison of multiple solutions
• 3D model visualization

Deterministic Analysis Capabilities

• Parameter variation analysis
• Design of Experiments (DOE)

Probabilistic Analysis Methods

• First-order reliability method (FORM)
• Second-order reliability method (SORM)
• Advanced Mean Value (AMV+)
• Response Surface Method (RSM)
• Gaussian Process Surroages (GP_RSM)
• Automatic Monte Carlo simulation (MC)
• Importance sampling (ISAM)
• Latin hypercube simulation (LHS)
• Adaptive importance sampling (AIS)
• Hybrid probabilistic method (AMV+/AIS2)
• Efficient Global Reliability Analysis (EGRA)
• Probabilistic Fault-Tree Analysis (PFTA)

Applications

• Component/system reliability
• Reliability-based optimization
• Reliability test planning
• Inspection scheduling
• Design certification
• Risk-based cost analysis
• MVFO probability contouring
• Model Validation

Performance Functions

• Analytical (Fortran)
• Analytical (direct)
• Numerical (FEM, CFD, other)
• Failure Models (Fortran, ext. models)
• Hierarchical failure models

Interfaces

• ABAQUS/Standard/Explicit
• ANSYS
• CTH
• DYNA/PARADYN
• LS-DYNA
• MADYMO
• MATLAB
• MSC.NASTRAN
• NASA analysis modules
• NASA_GRC_FEM
• NASGRO
• PRONTO
• User-defined
• WCN

Other

• Automated restart
• Batch processing
• Distributed processing support

Operating Systems

• Windows Based PCs
• Linux
• Contact SwRI for other systems