General Survey -- Low Frequency Electromagnetic Fields and the Finite Element Method -- Some Key Techniques in Electromagnetic and Thermal Field Modeling -- Solution of Coupled Electromagnetic-Thermal Fields -- Development of the API-based Script -- Harmonic-Balance Finite-Element Method and Its Application -- Magnetic Material Modeling -- Measurements of Multi-Directional Anisotropy Using Epstein Frame -- Electromagnetic Properties Modeling Based on Laminated Core Models -- Electromagnetic Properties Modeling Based on Ring Type Core Models -- Magnetic Properties Measurement under Extreme Excitation Conditions -- Problem 21 Benchmark Family and Stray-Field Loss Problems -- Additional Loss caused by the Magnetic Flux Normal to the Plane of Laminations -- Electromagnetic and Thermal Modeling based on Transformer Model -- Modeling DC Bias in Transformers.