@ARTICLE{Witczak_Paweł_Analytical_2012, author={Witczak, Paweł}, volume={vol. 61}, number={No 1 March}, journal={Archives of Electrical Engineering}, pages={47-56}, howpublished={online}, year={2012}, publisher={Polish Academy of Sciences}, abstract={The paper describes analytical approach solving the problem of dynamic analysis of two-dimensional fields of vibrational displacements and rotations caused by magnetic forces acting on stator of AC machine. Final set of three differential equations converted into algebraic ones is given and it is confronted with numerical solutions obtained by finite element method.}, type={Artykuły / Articles}, title={Analytical approach calculating eigenfrequencies and modes of stator cores in AC machines}, URL={http://www.czasopisma.pan.pl/Content/84619/PDF/04_paper.pdf}, doi={10.2478/v10171-012-0004-4}, keywords={natural vibration, AC machines, differential equations}, }