Theoretical and Applied Mechanics: Latest issue http://www.mathnet.ru/eng/tam 2025, Volume 52, Issue Issue 1 en-gb Copyright 2026, Fri, 08 Aug 2025 00:00:00 +0300 math-net2026_06@mi-ras.ru tche@mi-ras.ru Theoretical and Applied Mechanics http://www.mathnet.ru/JrnLogos/tam/tam_big.jpg http://www.mathnet.ru/eng/tam Foreword: The 50th anniversary of Theoretical and Applied Mechanics Vladimir Dragovich Theor. Appl. Mech., 2025, 52:1, I--I http://mi.mathnet.ru/eng/tam157 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam157 Generalized completely integrable systems Valery V. Kozlov Theor. Appl. Mech., 2025, 52:1, 1--7 http://mi.mathnet.ru/eng/tam148 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam148 Unusual properties of adiabatic invariance in a billiard model related to the adiabatic Piston problem Joshua Skinner, Anatoly Neishtadt Theor. Appl. Mech., 2025, 52:1, 9--16 http://mi.mathnet.ru/eng/tam149 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam149 Point spectra and normal modes of the Rayleigh loaded string with damping Francesco Fasso, Sara Galasso, Antonio Ponno Theor. Appl. Mech., 2025, 52:1, 17--37 http://mi.mathnet.ru/eng/tam150 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam150 Theoretical and experimental investigations of the controlled motion of a roller racer Alexander A. Kilin, Tatiana B. Ivanova, Yury L. Karavaev, Kirill S. Yefremov Theor. Appl. Mech., 2025, 52:1, 39--65 http://mi.mathnet.ru/eng/tam151 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam151 On non-approximability of zero loss global $\mathcal{L}^2$ minimizers by gradient descent in deep learning Thomas Chen, Patricia Munoz Ewald Theor. Appl. Mech., 2025, 52:1, 67--73 http://mi.mathnet.ru/eng/tam152 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam152 On cusps of caustics by reflection in two dimensional projective Finsler metrics Serge Tabachnikov Theor. Appl. Mech., 2025, 52:1, 75--86 http://mi.mathnet.ru/eng/tam153 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam153 Nipping analysis of a two-leaf spring strengthened by an additional full-length leaf Vlado A. Lubarda, Marko V. Lubarda Theor. Appl. Mech., 2025, 52:1, 87--107 http://mi.mathnet.ru/eng/tam154 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam154 On the existence of geodesic vector fields on closed surfaces Vladimir S. Matveev Theor. Appl. Mech., 2025, 52:1, 109--113 http://mi.mathnet.ru/eng/tam155 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam155 First steps towards the averaging with respect to a part of the coordinates Ivan Polekhin Theor. Appl. Mech., 2025, 52:1, 115--125 http://mi.mathnet.ru/eng/tam156 Fri, 08 Aug 2025 00:00:00 +0300 Fri, 08 Aug 2025 00:00:00 +0300 http://mi.mathnet.ru/eng/tam156