PUBLICATIONS

"Learn from yesterday, live for today, hope for tomorrow. The important thing is not to stop questioning."

- Albert Einstein -

Journals, Conferences and Academic Publications
  • Gontijo, R.G.. Heat transfer increase for a laminar pipe flow of a magnetic fluid subjected to constant heat flux: an initial theoretical approach. MECHANICS RESEARCH COMMUNICATIONS, v. 91, p. 27-32, 2018.
  • Gontijo, R.G.. Heat transfer increase for a laminar pipe flow of a magnetic fluid subjected to constant heat flux: Improvements and additional discussions. MECHANICS RESEARCH COMMUNICATIONS, v. 94, p. 64-69, 2018.
  • Malvar, S., Gontijo, R. G., CARMO, B. S., CUNHA, F. R., "On the kinematics-wave motion of living particles in suspension". Biomicrofluidics, v. 11, p. 044112, 2017.
  • Malvar, S., Gontijo, R. G., Cunha, F. R., "Nonlinear motion of an oscillating bubble immersed in a magnetic fluid". Journal of Engineering Mathematics, doi: 10.1007/s10665-017-9917-7, 2017.
  • Gontijo, R. G., Cunha, F. R., "Numerical simulations of magnetic suspensions with hydrodynamic and dipole-dipole magnetic interactions". Physics of Fluids, doi: 10.1063/1.4986083, 2017.
  • Gontijo, R. G., "A numerical perspective on the relation between particle rotational inertia and the equilibrium magnetization of a ferrofluid". Journal of Magnetism and Magnetic Materials, Vol. 434, p. 91-99, 2017.
  • Gontijo, R. G. and Malvar, S., "Microstructural transition in an ordered set of magnetic spheres immersed in a carrier liquid". Mechanics Research Communications, Vol. 83, p. 12-17, 2017.
  • Gontijo, R. G., Malvar, S., Sobral, Y. D., and Cunha, F. R., "The influence of a magnetic field on the mechanical behavior of a fluid interface", Meccanica, Vol. 52, p. 1309-1327, 2017.
  • Malvar, S., Gontijo, R. G. and Cunha, F. R, "Pattern identification on the nonlinear radial motion of an oscillating spherical bubble using Neural Networks", Latin American Journal of Solids and Structures, Vol. 13, p. 2464-2489, 2016.
  • Gontijo, R. G., Malvar, S. and Cunha, F. R., “Microstructural Study of a Magnetorheological Suspension from a Nonlinear Dynamical System Perspective”, Powder Technology, Vol. 297, pp. 165-182, 2016.
  • Rosa, A.P.,R.G. Gontijo & F.R.Cunha, Laminar pipe flow with drag reduction induced by a magnetic field gradient, Applied Mathematical Modeling - Elsevier, Vol 40 (DOI: 10.1016/j.apm.2015.10.050), 3907-3918, 2016.
  • R.G. Gontijo & F.R.Cunha, Dynamic numerical simulations of magnetically interacting suspensions in creeping flow, Powder Technology, Vol 279, 146-165, 2015.
  • S. Malvar, R. G. Gontijo & F. R. Cunha, Vibrational modes on the non linear motion of an oscillating buble in a Newtonian fluid using Neural Networks, 17th International Symposium on Dynamic Problems of Mechanics, Vol 1, 10, 2015.
  • R. G. Gontijo, Micromechanics and Microhydrodynamics of Magnetic Suspensions (In portuguese), PhD Thesis , Vol 1, 262, 2013.
  • F.R. Cunha, Y.D. Sobral & R.G. Gontijo, Stabilization of concentration waves in fluidized beds of magnetic particles , Powder Technology, Elsevier, Vol 10.1016/j.powtec.2013.03.007, 22p, 2013.
  • J. L. A. Fontoura Rodrigues, D. V. Soares & R. G. Gontijo, A new algorithm for the implementation of wall-functions in high Reynolds number simulations., Journal of the Brazilian Society of Mechanical Sciences and Engineering, Vol DOI 10.1007/s40430-013-0037-7, 10, 2013.
  • R. G. Gontijo, F. R. Cunha & Y. D. Sobral, Symmetry breaking of particle trajectories due to magnetic interactions in a dilute suspension, Journal of Magnetism and Magnetic Materials, Vol 326 - DOI <10.1016/j.jmmm.2012.08.032>, 240-250, 2012.
  • R.G. Gontijo & F.R. Cunha, Magnetic-induced migration in a sedimenting dilute suspension of magnetic spherical particles., J. Nanosci. Nanotechnol., Vol 12, 9286-9294, 2012.
  • R. G. Gontijo & F. R. Cunha, Experimental investigation on thermo-magnetic convection inside cavities., J. Nanosci. Nanotechnol., Vol 12, 9198-9207 , 2012.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, The numerical modeling of thermal turbulent wall flows with the classical κ − ε model, J. Braz. Soc. Mech. Sci. & Eng -http://dx.doi.org/10.1590/S1678-58782011000100015 , Vol 33, 107-116, 2011.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, Thermal boundary conditions based on the use of analogies. A numerical study. , International congress of mechanical engineering, Vol 20, 10, 2009.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, A numerical investigation of turbulent boundary layer detachment at an asymmetric straight-walled diffuser., International congress of mechanical engineering, Vol 20, 10, 2009.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, Implementation and validation of a methodology used to impose heat flux boundary condition in a high Reynolds turbulence model., Brazilian Congress of Thermal Sciences and Engineering, Vol 12, 10, 2008.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, Numerical modeling of a turbulent flow over a 2D channel with a rib-roughened wall., International congress of mechanical engineering, Vol 19, 10, 2007.
  • R. G. Gontijo & J. L. A. da Fontoura Rodrigues, A numerical study of turbulent boundary layer flows generated by natural convection., International congress of mechanical engineering, Vol 19, 10, 2007.
  • R. G. Gontijo, J. L. A. da Fontoura Rodrigues & R. C. Lino, Numerical modeling of the heat transfer in the turbulent boundary layer., Cilamce, Vol 1, 20, 2006.

Visits since 2017

Vortex Group - Fluid Mechanics of Complex Flows

2017 - Developed by Prof. Rafael Gabler Gontijo

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