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16. Bioactive components of Bupleurum rigidum L. Subsp. Rigidum

Author

Contreras, Sandra Sánchez, primary, Lanza, Ana M. Díaz, additional, Pajares, Manuel Bernabé, additional, Esteban, Carman Bartolome, additional, Castillo, Lucinda Villaescusa, additional, Martínez, María J. Abad, additional, Benito, Paulina Bermejo, additional, and Matellano, Lidia Fernández, additional

Published
2002
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17. GEOLOGICAL CHARACTERIZATION OF FLUVIAL SEDIMENTS

Author

van Veen, Frederik, primary, Molina, M. Díaz, additional, Alvarez-Sierra, M.A., additional, Mocoroa, J.Arribas, additional, Mocoroa, M.E.Arribas, additional, Daams, R., additional, Gómez, J.J., additional, Zamora, A.Maldonado, additional, Mayoral, R.Más, additional, van der Meulen, A., additional, Marin, F.Miguez, additional, de Labra, P. Peláez Campomanes, additional, Rozycki, A., additional, Lopez, A.Tortosa, additional, Donselaar, M.E., additional, Chessa, A.G., additional, Gozalo, M.C.Cuevas, additional, Martinius, A.W., additional, Ridder, J., additional, Huurdeman, A.J.M., additional, Vasak, L., additional, Mijnssen, F.C.J., additional, Elewaut, E.F.M., additional, Lutgert, J.E., additional, Nieuwenhuis, J.R.A., additional, Campbell, A.E., additional, and Mulder, M.H., additional

Published
1994
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21. Numerical Simulation of an Induction-Conduction Model Arising in Steel Hardening.

Author

Moreno, J. M. Díaz, Vásquez, C. García, Montesinos, M. T. González, and Gallego, F. Ortegón

Subjects
*COMPUTER simulation, *MANUFACTURING processes, *SURFACE hardening, *PARABOLIC differential equations, *ELLIPTIC differential equations, *FINITE element method
Abstract

We study a mathematical model for the description of the heating-cooling industrial process of a steel workpiece. The complete thermomechanical model is governed by a nonlinear coupled partial differential system of equations involving the electric potential, the magnetic vector potential, the temperature, the stress tensor and the displacement field together with a system of ordinary differential equations for the steel phase fractions. In this situation, the electric conductivity on the workpiece depends strongly on the temperature b = b(x, θ), θ being the temperature. Usually one has b(x, s) → 0 when s → ∞ uniformly on the workpiece, leading to degenerate parabolic/elliptic equations. Our analysis considers the case 0 < C1/(1 + |s|) < b(x, s) < C2, C1 and C2 being constant values. Also we have performed some 2D numerical simulations of the heating-cooling process in a simplified version of the model. [ABSTRACT FROM AUTHOR]

Published
2009

22. CHAPTER 3 - GEOLOGICAL CHARACTERIZATION OF FLUVIAL SEDIMENTS: Geological Modeling Project (GM2): Final report of the GEOSCIENCE Project JOUF-0036

Author

van Veen, Frederik, Molina, M. Díaz, Alvarez-Sierra, M.A., Mocoroa, J.Arribas, Mocoroa, M.E.Arribas, Daams, R., Gómez, J.J., Zamora, A.Maldonado, Mayoral, R.Más, van der Meulen, A., Marin, F.Miguez, de Labra, P. Peláez Campomanes, Rozycki, A., Lopez, A.Tortosa, Donselaar, M.E., Chessa, A.G., Gozalo, M.C.Cuevas, Martinius, A.W., Ridder, J., Huurdeman, A.J.M., Vasak, L., Mijnssen, F.C.J., Elewaut, E.F.M., Lutgert, J.E., Nieuwenhuis, J.R.A., Campbell, A.E., and Mulder, M.H.

Published
1994
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