Reliable calculation of thermoacoustic instability risk using an imperfect surrogate model

Keyphrases

• Surrogate Model 100%
• Reliable Calculations 100%
• Thermoacoustic Instability 100%
• Instability Risk 100%
• Risk Calculation 80%
• Modal Instability 80%
• Training Model 60%
• Training Samples 40%
• Gaussian Process Model 40%
• Thermoacoustics 40%
• Gaussian Process 20%
• Highly Accurate 20%
• Growth Rate 20%
• Computational Cost 20%
• Monte Carlo Simulation 20%
• Epistemic Uncertainty 20%
• Active Learning Strategies 20%
• Uncertainty Sources 20%
• Gas Turbine Combustor 20%
• Zero Growth 20%
• Correlated Sampling 20%
• Computational Budget 20%
• Gaussian Process Prediction 20%
• Surrogate Modeling Technique 20%
• Surrogate Model Uncertainty 20%
• High Computational Cost 20%
• Number of Training Samples 20%
• Inaccurate Models 20%

Engineering

• Surrogate Model 100%
• Thermoacoustic Instability 100%
• Gaussians 66%
• Computational Cost 33%
• Tasks 16%
• Epistemic Uncertainty 16%
• Model Uncertainty 16%
• Gas Turbine Combustors 16%
• Boundary Condition 16%