Finite element method Vibration analysis 8 Dynamics 3 Finite element analyse 3 Modal analysis 3 finite element analysis 3 ABAQUS 2 Cellulose 2 Cellulose degradation 2 Compressive stress 2 Damage detection 2 FE model 2 Finite Element Analysis 2 Frequency domain analysis 2 Long-term vibration 2 Mechanical stress 2 Numerical simulation 2 Oil-impregnated pressboard 2 Performance 2 Power transformers 2 Stiffness 2 Stress aging 2 Structural design 2 Structural health monitoring 2 Thermal 2 Thermal–electrical–mechanical stress aging 2 Timber 2 Uncertainty analysis 2 Vibration amplitude 2 Vibration frequency 2