3D free vibration analysis of nanocomposite beams carbon nanotube reinforced FGM using DQ method. Journal of Civil Engineering Researchers, [S. l.], v. 7, n. 2, p. 21–37, 2025. DOI: 10.61186/JCER.7.2.21. Disponível em: http://www.journals-researchers.com/ojs/index.php/jcer/article/view/162. Acesso em: 5 sep. 2025.