Quadratic convection and quadratic solutal convection on the nanofluid flow over a vertical frustum of a cone under Soret impact: An implementation of a spectral computational approach. - Mingliang Zheng; Rosana Manea; Muhammad Mubashir Bhatti; Salman Saleem; Hakan F. Öztop (J. Comput. Des. Eng., 2026)