Natural and forsed osculations of pipelines in contact with the Wincler medium I I Safarov, M Kh Teshaev, Z I Boltayev, I M Karimov and N Q Esanov E3S Web Conf., 411 (2023) 01005 Published online: 10 August 2023 DOI: 10.1051/e3sconf/202341101005