Computational analysis of dual numerical solutions for unsteady flow of Cu-water nanofluids with the Cattaneo–Christov heat modelHashim, Ayman Alfaleh and Bushra AttiqueEur. Phys. J. Spec. Top., 233 13-14 (2024) 2353-2361DOI: https://doi.org/10.1140/epjs/s11734-023-00808-6