@mastersthesis{MTMT:2996627, title = {Delay-differential models of cutting tool dynamics with nonlinear and mode-coupling effects}, url = {https://m2.mtmt.hu/api/publication/2996627}, author = {Kalmár-Nagy, Tamás}, publisher = {Budapest University of Technology and Economics}, unique-id = {2996627}, year = {2002}, orcid-numbers = {Kalmár-Nagy, Tamás/0000-0003-1374-2620} } @article{MTMT:106051, title = {Subcritical Hopf bifurcation in the delay equation model for machine tool vibrations}, url = {https://m2.mtmt.hu/api/publication/106051}, author = {Kalmár-Nagy, Tamás and Stépán, Gábor and Moon, FC}, doi = {10.1023/A:1012990608060}, journal-iso = {NONLINEAR DYNAM}, journal = {NONLINEAR DYNAMICS}, volume = {26}, unique-id = {106051}, issn = {0924-090X}, abstract = {We show the existence of a subcritical Hopf bifurcation in the delay-differential equation model of the so-called regenerative machine tool vibration. The calculation is based on the reduction of the infinite-dimensional problem to a two-dimensional center manifold. Due to the special algebraic structure of the delayed terms in the nonlinear part of the equation, the computation results in simple analytical formulas. Numerical simulations gave excellent agreement with the results.}, year = {2001}, eissn = {1573-269X}, pages = {121-142}, orcid-numbers = {Kalmár-Nagy, Tamás/0000-0003-1374-2620; Stépán, Gábor/0000-0003-0309-2409} } @inproceedings{MTMT:2836578, title = {Experimental and Analytical Investigation of the Subcritical Instability in Metal Cutting}, url = {https://m2.mtmt.hu/api/publication/2836578}, author = {Kalmár-Nagy, Tamás and Pratt, J R and Davies, M A and Kennedy, M D}, booktitle = {Proceedings of ASME DETC99: The 17th Biennial Conference on Mechanical Vibration and Noise}, doi = {10.1115/DETC99/VIB-8060}, unique-id = {2836578}, year = {1999}, pages = {1721-1729}, orcid-numbers = {Kalmár-Nagy, Tamás/0000-0003-1374-2620} } @book{MTMT:1002286, title = {Retarded Dynamical Systems. Stability and Characteristic Functions}, url = {https://m2.mtmt.hu/api/publication/1002286}, isbn = {0470213353}, author = {Stépán, Gábor}, publisher = {Longman Scientific & Technical}, unique-id = {1002286}, year = {1989}, orcid-numbers = {Stépán, Gábor/0000-0003-0309-2409} }