This chapter provides some background for the principles behind surrogate blend optimization and mechanism reduction.

• 3.1. Surrogate Blend Optimization Methods
• 3.2. Mechanism Reduction Theory
• 3.3. Mechanism Optimization
• 3.4. Thermodynamic Property Estimator
• 3.5. Liquid Properties Estimation
• 3.6. Multi-Zone HCCI Engine Model Extraction Algorithms