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Institute of Mathematics, University of Tartu, Tartu, Estonia
Selected Publications:
Lellep, J.; Majak, J. On optimal orientation of nonlinear elastic orthotropic materials. Struct. Optim. 1997, 14,
116–120
Lellep J, Puman E. Optimization of conical shells of Mises material. Struct Multidiscip Optim 2001;22(2):149-156.
Lellep J, Hein H. Optimization of clamped plastic shallow shells subjected to initial impulsive loading. Eng Optim 2002;34:545–556.
Lellep J, Torn K, 2004. Plastic response of a circular cylindrical shell to dynamic loadings, International Journal of Impact Engineering, Vol. 30, pp. 555-576, Elsevier.
Lellep, J., and Torn, K., 2005, “Shear and Bending Response of a Rigid-Plastic Beam Subjected to Impulsive Loading,” Int. J. Impact Eng., 31(9), pp. 1081–1105.
J. Lellep and E. Sakkov, Buckling of stepped composite columns, Mech. Composite Mater. 42 (1) (2006) 63–72.
Lellep J, Puman E. Optimization of inelastic conical shells with cracks. Struct Multidiscip Optim 2007;33(3):189-197.
Lellep, J., and Torn, K., 2007, “Dynamic Plastic Behaviour of Annular Plates With Transverse Shear Effects,” Int. J. Impact Eng., 34(6), pp. 1061–1080.
J. Lellep and T. Kraav, Optimization of stepped columns under compression, in Proc. 20th Int. Conf. Continuous Optimization and Knowledge-Based Technologies L. SakalauskasG. W. WeberE. K. Zavadskas, (Technika, Vilnius, 2008), pp. 273–278.
J. Lellep and L. Roots, Vibration of stepped cylindrical shells with cracks, in Proc. 3rd Int. Conf. Eng. Mech. Struct. Eng. Geol. (WSEAS Press, 2010), pp. 116–121.
J. Lellep and L. Roots, Vibrations of cylindrical shells with circumferential cracks, WSEAS Trans. Mathem. 9 (9) (2010) 689–699.
Lellep, J.; Kägo, E. Vibrations of elastic stretched strips with cracks. Int. J. Mech. 2011, 5, 27–34
Lellep J, Polikarpus J (2012) Optimal design of circular plates with internal supports. WSEAS Trans Math 11:222–232
Kägo E., Lellep J., Free Vibrations of Plates on Elastic Foundation, Procedia Engineering, 2013, 57, 489 - 496
J. Lellep and T. Kraav, Buckling of beams and columns with defects, Int. J. Struct. Stab. Dyn. 16(8) (2016) 1550048.
Lellep, J., & Liyvapuu, A. (2016). Natural vibrations of stepped arches. Agronomy Research, 14, 821-830.
Lellep, J., & Lenbaum, A. (2018). Free vibrations of stepped nanobeams. International Journal of Computational Methods and Experimental Measurements, 6(4), 716-725
Hina Arif and Jaan Lellep, “Buckling of nanobeams and nanorods with cracks”, 13th International Conference of Modern Building Materials, Structures and Techniques, Vilnius, Lithuania, 16-17 May 2019
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