SABRI MOHAMMED, M.; A. SALAL , D. . Numerical Analysis of Natural Frequency for U-Shaped Expansion Bellows in Fixed-Fixed and Fixed-Free Conditions. Diyala Journal of Engineering Sciences , [S. l.], v. 15, n. 3, p. 106–116, 2022. DOI: 10.24237/djes.2022.15311. Disponível em: https://djes.info/index.php/djes/article/view/937. Acesso em: 15 may. 2024.