Yu.N. Radaev is an expert in mathematical theory of plastic metals flow, mathematical modelling of damage accumulation and failure processes of solids under creep and corrosive attack of external environment conditions, thermomechanics of solid deformable bodies. He has over 300 scientific articles in leading Russian and foreign journals in different areas of mechanics, mathematical physics and mathematical modelling.
Yu.N. Radaev graduated from Faculty of Mechanics and Mathematics of Samara State University in 1984. Then, in 1986-1989 he was a post-graduate student in the Institute for Problems in Mechanics of Academy of Sciences of the USSR and in 1989 he defended a thesis in 01.02.04 specialty – Mechanics of Solids in the dissertation committee in IPM of AS USSR. In 2000 he defended the doctoral thesis “Continuous models of solid bodies damage” in the same specialty and committee. In 2005 Yu.N. Radaev became a professor.
From 1989 till 2010 Yu.N. Radaev worked in Samara State University first as teaching assistant of Mechanics of Solids Department (1989-1993), and then as senior teacher (1993–1995), assistant professor (1995–2000), full professor (from 2000) and head of Mechanics of Solids Department (2002-2010). From 2010 he is a leading research scientist in the Laboratory of Modelling in Mechanics of Solids of Institute for Problems in Mechanics n.a. A.Yu. Ishlinskii of Russian Academy of Sciences.
The projects under the scientific supervision of Yu.N. Radaev are supported by the International Science Foundation, Russian Foundation of Basic Research, Ministry of Education and Science of the Russian Federation. Yu.N. Radaev has scientific contacts with the leading scientific centers in Russia, Europe and Japan. In 1993-1995 he has a scientific internship in Department of Mechanical Engineering, Nagoya University, Nagoya, JAPAN, which was finansed by Ministry of science and Culture of Japan. In 1999-2000 he made a scientific research in Centre National de la Recherche Scientifique, Universite Pierre et Marie Curie (Paris VI), Paris, France under the support of CNRS.
Yu.N. Radaev is a member of academic council of Problems of Mechanics of Solids of Russian Academy of Sciences, a member of Russian National Committee on Theoretical and Applied Mechanics, a member of editorial boards of some scientific journals, including “Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences”, and “Izvestiya of Saratov University. New Series. Series Mathematics. Mechanics. Informatics”, editor-in-chief of the Journal “Mechanics of Limit State”.
E. V. Murashkin, Yu. N. Radayev, “Quartic corrections in energy potentials of hemitropic micropolar solids”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 29:3 (2025), 472–485
2.
E. V. Murashkin, Yu. N. Radayev, “On quadratic corrections of constitutive equations for a hemitropic micropolar elastic solid”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 29:2 (2025), 274–293
E. V. Murashkin, Yu. N. Radayev, “Two-dimensional Nye figures for hemitropic micropolar elastic solids”, Izv. Saratov Univ. Math. Mech. Inform., 24:1 (2024), 109–122
E. V. Murashkin, Yu. N. Radayev, “Wavenumbers of coupled plane thermoelastic wave in ultraisotropic medium”, Vestn. Chuvash. Gos. Ped. Univ. im.I.Ya. Yakovleva Ser.: Mekh. Pred. Sost., 2024, no. 3(61), 128–139
6.
E. V. Murashkin, Yu. N. Radayev, “Plane harmonic thermoelastic waves in ultrahemitropic micropolar solid”, Vestn. Chuvash. Gos. Ped. Univ. im.I.Ya. Yakovleva Ser.: Mekh. Pred. Sost., 2024, no. 2(60), 116–128
7.
E. V. Murashkin, Yu. N. Radayev, “Wave numbers of harmonic plane waves of translational and spinor displacements in a semiisotropic thermoelastic solid”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 28:3 (2024), 445–461
E. V. Murashkin, Yu. N. Radayev, “On the polyvariance of the base equations of coupled micropolar thermoelasticity”, Vestn. Chuvash. Gos. Ped. Univ. im.I.Ya. Yakovleva Ser.: Mekh. Pred. Sost., 2023, no. 3(57), 112–128
E. V. Murashkin, Yu. N. Radayev, “Heat conduction of micropolar solids sensitive to mirror reflections of three-dimensional space”, Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, 165:4 (2023), 389–403
E. V. Murashkin, Yu. N. Radayev, “Thermomechanical states of gyrotropic micropolar solids”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 27:4 (2023), 659–678
Yu. N. Radayev, E. V. Murashkin, “Generalized pseudotensor formulations of the Stokes' integral theorem”, Izv. Saratov Univ. Math. Mech. Inform., 22:2 (2022), 205–215
E. V. Murashkin, Yu. N. Radayev, “On the theory of fourth-rank hemitropic tensors in three-dimensional Euclidean spaces”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 26:3 (2022), 592–602
Yu. N. Radayev, E. V. Murashkin, T. K. Nesterov, “On covariant non-constancy of distortion and inversed distortion tensors”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 26:1 (2022), 36–47
E. V. Murashkin, Yu. N. Radayev, “On a ordering of area tensor elements orientations in a micropolar continuum immersed in an external plane space”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 25:4 (2021), 776–786
E. V. Murashkin, Yu. N. Radayev, “On the constitutive pseudoscalars of hemitropic micropolar media in inverse coordinate frames”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 25:3 (2021), 457–474
Yu. N. Radayev, “Representation of waves of displacements and micro-rotations by systems of the screw vector fields”, Izv. Saratov Univ. Math. Mech. Inform., 20:4 (2020), 468–477
19.
V. A. Kovalev, E. V. Murashkin, Yu. N. Radayev, “On the Neuber theory of micropolar elasticity. A pseudotensor formulation”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 24:4 (2020), 752–761
E. V. Murashkin, Yu. N. Radayev, “On a micropolar theory of growing solids”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 24:3 (2020), 424–444
V. A. Kovalev, Yu. N. Radayev, “On wave solutions of dynamic equations of hemitropic micropolar thermoelasticity”, Izv. Saratov Univ. Math. Mech. Inform., 19:4 (2019), 454–463
E. V. Murashkin, Yu. N. Radayev, “On a differential constraint in the continuum theory of growing solids”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 23:4 (2019), 646–656
Yu. N. Radayev, “Instantaneously not elongated directors in three-dimensional kinematics of the Coulomb–Mohr medium”, Izv. Saratov Univ. Math. Mech. Inform., 18:4 (2018), 467–483
V. A. Kovalev, Yu. N. Radayev, “On rationally complete algebraic systems of finite strain tensors of complex continua”, Izv. Saratov Univ. Math. Mech. Inform., 17:1 (2017), 71–84
V. A. Kovalev, E. V. Murashkin, Yu. N. Radayev, “On weak discontinuities and jump equations on wave surfaces in micropolar thermoelastic continua”, Izv. Saratov Univ. Math. Mech. Inform., 15:1 (2015), 79–89
Yu. N. Radaev, V. A. Kovalev, “Hyperbolic theories and problems of continuum mechanics”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 19:1 (2015), 186–202
V. A. Kovalev, Yu. N. Radayev, “On a form of the first variation of the action integral over a varied domain”, Izv. Saratov Univ. Math. Mech. Inform., 14:2 (2014), 199–209
V. A. Kovalev, E. V. Murashkin, Yu. N. Radayev, “A mathematical theory of plane harmonic coupled thermoelastic waves in type-I micropolar continua”, Izv. Saratov Univ. Math. Mech. Inform., 14:1 (2014), 77–87
E. V. Murashkin, Yu. N. Radayev, “On Strong and Weak Discontinuities of the Coupled Thermomechanical Field in Micropolar Thermoelastic Type-II Continua”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 4(37) (2014), 85–97
V. A. Kovalev, Yu. N. Radayev, “On Nonlinear Strain Vectors and Tensors in Continuum Theories of Mechanics”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(34) (2014), 66–85
Y. N. Radayev, V. A. Kovalev, “Rotational invariance of non-linear Lagrangians of type-II micropolar thermoelastic continuum”, Izv. Saratov Univ. Math. Mech. Inform., 13:4(1) (2013), 96–102
V. A. Kovalev, Yu. N. Radayev, “Covariant field equations and $d$-tensors of hyperbolic thermoelastic continuum with fine microstructure”, Izv. Saratov Univ. Math. Mech. Inform., 13:2(1) (2013), 60–68
Yu. N. Radayev, M. V. Taranova, “On a fine localization of the Mathieu azimuthal numbers by Cassini ovals”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(30) (2013), 260–269
39.
V. A. Kovalev, Yu. N. Radayev, “Coupled thermodynamic orhogonality in non-linear models of type-III thermoelasticity”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(30) (2013), 207–214
V. A. Kovalev, Yu. N. Radayev, “Upper and low bounds of azimuthal numbers related to elementary wave functions of an elliptic cylinder”, Izv. Saratov Univ. Math. Mech. Inform., 12:2 (2012), 68–81
2011
43.
V. A. Kovalev, Yu. N. Radayev, “Cross-coupled type-III thermoelastic waves of a given azimuthal number in a waveguide under sidewall heat interchanging”, Izv. Saratov Univ. Math. Mech. Inform., 11:4 (2011), 86–108
44.
V. A. Kovalev, Yu. N. Radayev, “An optimal system constructing algorithm for symmetry algebra of three-dimensional equations of the perfect plasticity”, Izv. Saratov Univ. Math. Mech. Inform., 11:2 (2011), 61–77
V. A. Kovalev, Yu. N. Radayev, R. A. Revinsky, “Generalized cross-coupled type-III thermoelastic waves propagating via a waveguide under sidewall heat interchange”, Izv. Saratov Univ. Math. Mech. Inform., 11:1 (2011), 59–70
Yu. N. Radayev, M. V. Taranova, “Wavenumbers of type III thermoelastic waves in a long waveguide under sidewall heat interchanging”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 2(23) (2011), 53–61
V. A. Kovalev, Yu. N. Radaev, R. A. Revinskiy, “Propagation of thermoelastic impulse through a cylindrical waveguide under sidewall heat interchanging”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(22) (2011), 221–227
V. A. Kovalev, Yu. N. Radaev, “An optimal system of one-dimensional subalgebras for the symmetry algebra of three-dimensional equations of the perfect plasticity”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(22) (2011), 196–220
V. A. Kovalev, Yu. N. Radaev, “On wavenumbers of plane harmonic type III thermoelastic waves”, Izv. Saratov Univ. Math. Mech. Inform., 10:3 (2010), 46–53
V. A. Kovalev, Yu. N. Radayev, D. A. Semenov, “Coupled dynamic problems of hyperbolic thermoelasticity”, Izv. Saratov Univ. Math. Mech. Inform., 9:4(2) (2009), 94–127
V. A. Kovalev, Yu. N. Radayev, “Mathematical models and contemporary theories of physical fields”, Izv. Saratov Univ. Math. Mech. Inform., 9:4(2) (2009), 41–94
Yu. N. Radayev, “Three-dimensional problem of perfect plasticity (kinematic equations determining three-dimensional plastic flow for a facet and edge of the Tresca prism)”, Izv. Saratov Univ. Math. Mech. Inform., 8:2 (2008), 34–76
Yu. N. Radayev, “Estimate of the latent free energy and damage at the tip of an opening–mode crack”, Prikl. Mekh. Tekh. Fiz., 41:6 (2000), 106–117; J. Appl. Mech. Tech. Phys., 41:6 (2000), 1054–1063
Yu. N. Radaev, L. V. Stepanova, “On the influence of the remote plastic zone on opening mode crack growth”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 7 (1999), 70–85
L. Yu. Kossovich, Yu. N. Radaev, “Professor Alexander Vladimirovich Manzhirov (on his 60th birthday)”, Izv. Saratov Univ. Math. Mech. Inform., 17:4 (2017), 465–483
Yu. N. Radayev, V. P. Radchenko, “To the 60$^{\mathrm{th}}$ Anniversary of Professor Alexander Vladimirovich Manzhirov”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 21:3 (2017), 401–416
Yu. N. Radayev, V. P. Radchenko, “Professor Dyuis D. Ivlev. Dedication to 85th Birtday”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 20:2 (2016), 197–219
2013
61.
L. Yu. Kossovich, Yu. N. Radaev, “To 60-th anniversary of professor A. O. Vatulyan”, Izv. Saratov Univ. Math. Mech. Inform., 13:3 (2013), 111–118
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