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Valmor de Almeida

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Professor Valmor de AlmeidaAssociate Professor


  • Postdoc, (1997), Army High Performance Computing Research Center - Minneapolis, MN
  • Ph D: Chemical engineering and material science, (1995), University of Minneapolis - Minneapolis, MN


  • de Almeida, V. (2017) "An iterative phase-space explicit discontinuous Galerkin method for stellar radiative transfer in extended atmospheres," Journal of Quantitative Spectroscopy and Radiative Transfer 196: pp. 254-269
  • de Almeida, V., Hart, K.J. (2017) "Analysis of gas membrane ultra-high purification of small quantities of mono-isotopic silane," Journal of Membrane Science 527: pp. 164-179
  • de Almeida, V., Blondel, S., Bernholdt, D.E., Wirth, B.D. (2017) "Cluster Dynamics Modeling with Bubble Nucleation, Growth and Coalescence,"
  • de Almeida, V., Key, B.P., Sadasivan, P., Fallgren, A.J., Demuth, S.F., Aleman, S.E., Chiswell, S.R., Hamm, L., Tingey, J.M. (2017) "Facility Modeling Capability Demonstration Summary Report,"
  • de Almeida, V., Gluesenkamp, K.R., Abdelaziz, O., Patel, V.K., Mandel, B.T. (2017) "High Efficiency Water Heating Technology Development Final Report, Part II: CO<sub>2</sub> and Absorption-Based Residential Heat Pump Water Heater Development,"
  • de Almeida, V., Kidder, M.K., Earl, L.D. (2016) "Improved Structural Design and CO; Capture of Porous Hydroxy-Rich Polymeric Organic Frameworks,"
  • de Almeida, V., Liu, H., Herwig, K.W., Kidder, M.K. (2016) "Neutron Scattering of Residual Hydrogen in 1,4-Dioxane-d(8) Liquid: Understanding Measurements with Molecular Dynamics Simulations," Journal of Physical Chemistry B 120:24 pp. 5455-5469
  • de Almeida, V., Hu, Y., Shi, Q., Li, X. (2015) "Numerical simulation of phase transition problems with explicit interface tracking.," Chemical Engineering Science 128: pp. 92 - 108
  • de Almeida, V.F., Lim, H., Zhou, Y., Glimm, J. (2014) "Fully developed turbulent mixing in an annular sector.,"
  • de Almeida, V.F., Cui, S., Khomami, B. (2014) "Molecular dynamics simulations of tri-n-butyl-phosphate/n-dodecane mixture: thermophysical properties and molecular structure.," The Journal Of Physical Chemistry. B 118:36 pp. 10750 - 10760
  • de Almeida, V.F., Ye, X., Cui, S., Khomami, B. (2013) "Effect of varying the 1-4 intramolecular scaling factor in atomistic simulations of long-chain N-alkanes with the OPLS-AA model.," Journal Of Molecular Modeling 19:3 pp. 1251 - 1258
  • de Almeida, V.F., Ye, X., Cui, S., Khomami, B. (2013) "Molecular simulation of water extraction into a tri-n-butylphosphate/n-dodecane solution.," The Journal Of Physical Chemistry. B 117:47 pp. 14835 - 14841
  • de Almeida, V. (2013) "Progress on Plant-Level Modeling and Simulation of Used Nuclear Fuel Dissolution: Startup Condition with Quasi-Developed Flow and Varying Acid Concentration,"
  • de Almeida, V., Khomami, B., Cui, S., Felker, K. (2013) "Quantify Water Extraction by TBP/Dodecane via Molecular Dynamics Simulations,"
  • de Almeida, V., Glimm, J., Jiao, X., Sims, B., Li, X. (2013) "Sharp Interface Tracking in Rotating Microflows of Solvent Extraction,"
  • de Almeida, V., Zhou, Y., Lim, H., Navamita, R., Wang, S., Glimm, J.G., Li, X., Jiao, X. (2012) "Development of a Front Tracking Method for Two-Phase Micromixing of Incompressible Viscous Fluids with Interfacial Tension in Solvent Extraction,"
  • de Almeida, V.F., Cui, S., Hay, B.P., Ye, X., Khomami, B. (2012) "Molecular Dynamics Simulation of Tri-n-butyl-Phosphate Liquid: A Force Field Comparative Study.," Journal of Physical Chemistry B 116:1 pp. 305 - 313
  • de Almeida, V. (2012) "Plant-Level Modeling and Simulation of Used Nuclear Fuel Dissolution,"
  • de Almeida, V., Tsouris, C., Birdwell, Jr, J.F., D’Azevedo, E.F., Jubin, R.T., DePaoli, D.W., Moyer, B.A. (2011) "FY 2007 LDRD Director’s ;D Progress Summary Proposal Title: Developing a Science Base for Fuel Reprocessing Separations in the Global Nuclear Energy Program,"
  • de Almeida, V. (2011) "Progress on Plant-Level Components for Nuclear Fuel Recycling: Commonality,"
  • McCaskey, A., Billings, J.J., de Almeida, V. (2011) "The Nuclear Energy Advanced Modeling and Simulation Safeguards and Separations Reprocessing Plant Toolkit,"
  • de Almeida, V., Ye, X.G., Cui, S.T., Hay, B.P., Khomami, B. (2011) "Uranyl nitrate complex extraction into TBP/dodecane organic solutions: a molecular dynamics study (vol 12, pg 15406, 2010)," Physical Chemistry Chemical Physics 13:48 pp. 21644
  • de Almeida, V., Ye, X.G., Smith, R.B., Cui, S.T., Khomami, B. (2010) "Influence of Nitric Acid on Uranyl Nitrate Association in Aqueous Solutions: A Molecular Dynamics Simulation Study," Solvent Extraction and Ion Exchange 28:1 pp. 1-18
  • de Almeida, V.F., Hunt, R.D., Collins, J.L. (2010) "Pneumatic drop-on-demand generation for production of metal oxide microspheres by internal gelation.," Journal of Nuclear Materials 404: pp. 44 - 49
  • de Almeida, V., Ye, X.G., Cui, S.T., Hay, B.P., Khomami, B. (2010) "Uranyl nitrate complex extraction into TBP/dodecane organic solutions: a molecular dynamics study," Physical Chemistry Chemical Physics 12:47 pp. 15406-15409
  • de Almeida, V., Birdwell, Jr, J.F., DePaoli, D.W., Gauld, I.C. (2009) "Coupling a Transient Solvent Extraction Module with the Separations and Safeguards Performance Model,"
  • de Almeida, V., Ye, X., Cui, S., Khomami, B. (2009) "Interfacial complex formation in uranyl extraction by tributyl phosphate in dodecane diluent: a molecular dynamics study.," The Journal Of Physical Chemistry. B 113:29 pp. 9852 - 9862
  • de Almeida, V., Hay, B., DePaoli, D.W. (2009) "Status of Safeguards and Separations Model Development at Plant and Molecular Levels,"
  • de Almeida, V. (2008) "Exploring HPCS Languages in Scientific Computing," SCIDAS 2008 Scientific discovery through advanced computing pp. 012034
  • de Almeida, V., Khamayseh, A., Hansen, G. (2008) "Hybrid Surface Mesh Adaptation for Climate Modeling," Numerical Mathematics-Theory Methods and Applications 1:4 pp. 410-434
  • de Almeida, V., Khamayseh, A. (2007) "Adaptive hybrid mesh refinement for multiphysics applications," 78: pp. U305-U309
  • de Almeida, V., Riahi-Nezhad, C.K., Tsouris, C., DePaoli, D.W. (2005) "Removal of micron-size droplets from an air stream by means of electric fields," Separation Science and Technology 40:1-3 pp. 367-381
  • de Almeida, V. (2004) "An Iterative Phase-Space Explicit Discontinuous Galerkin Method for Stellar Radiative Transfer in Extended Atmospheres,"
  • de Almeida, V.F., Pozhar, L.A., Hu, M.Z. (2004) "Virtual Processing of Advanced Nanomaterials," American Ceramic Society Bulletin 83:5 pp. 17
  • de Almeida, V., Bose, A., Carey, G.F. (2003) "A Class of Parallel Multiple-front Algorithms on Subdomains," International Journal for Numerical Methods in Engineering 56:11 pp. 1569-1592
  • de Almeida, V., Culbertson, C.T., Tsouris, C., DePaoli, D.W., Jacobson, S.C., Ramsey, J.M. (2003) "Electrohydrodynamic Mixing in Microchannels," Aiche Journal 49:8 pp. 2181-2186
  • de Almeida, V.F., Hu, M.Z., Blom, D.A., Allard, L.F. (2003) "Self-Assembled Titania Mesostructues On Substrate Surfaces.," Journal of the American Ceramic Society 86:10 pp. 1824
  • de Almeida, V., Pozhar, L.A., Hu, M.Z. (2003) "Virtual Processing of Advanced Nanomaterials," 137: pp. 101-125
  • de Almeida, V., Dong, J.H., Tsouris, C. (2002) "Effects of Applied Electric Fields on Drop-interface and Drop-drop Coalescence," Journal of Dispersion Science and Technology 23:1-3 pp. 155-166
  • de Almeida, V. (2002) "Simulation of Transport Phenomena in Aluminum Nitride Single-Crystal Growth,"
  • de Almeida , V., DePaoli, D.W., Ezekoye, O.A., Tsouris , C. (2001) "Electrically Driven Technologies for Radioactive Aerosol Abatement,"
  • de Almeida, V., Riahi-Nezhad, C.K. (2001) "Flow Regimes of Air-Water Counterflow Through Cross Corrugated Parallel Plates," Separation Science and Technology 36:5-6 pp. 1351-1373
  • de Almeida, V., Dong, J.H., Tsouris, C. (2001) "Formation of Liquid Columns on Liquid-Liquid Interfaces Under Applied Electric Fields," Journal of Colloid and Interface Science 242:2 pp. 327-336
  • de Almeida, V., Hooper, R.W., Macosko, C.W., Derby, J.J. (2001) "Transient Polymeric Drop Extension and Retraction in Uniaxial Extensional Flows," Journal of Non-Newtonian Fluid Mechanics 98:2-3 pp. 141-168
  • de Almeida, V., Derby, J.J. (2000) "Construction of Solution Curves for Large Two-Dimensional Problems of Steady-State Flows of Incompressible Fluids," Siam Journal on Scientific Computing 22:1 pp. 285-311
  • Derby, J.J., Ponde, N., de Almeida, V., Yeckel, A. (2000) "Modeling Segregation and Convection During the Growth of Ternary Alloys Under Terrestrial and Microgravity Conditions," 329-3: pp. 93-98
  • de Almeida, V., Chapman, A.M., Derby, J.J. (2000) "On Equilibration and Sparse Factorization of Matrices Arising in Finite Element Solutions of Partial Differential Equations," Numerical Methods for Partial Differential Equations 16:1 pp. 11-29
  • Yeckel, A., de Almeida, V., Derby, J.J. (2000) "Theoretical analysis of 3D, Transient Convection and Segregation in Microgravity Bridgman Crystal Growth," 504: pp. 884-889
  • de Almeida, V. (1999) "Domain Deformation Mapping: Application to Variational Mesh Generation," Siam Journal on Scientific Computing 20:4 pp. 1252-1275