Search Results - "Aparicio, J. L. Perez"

Finite element analysis and material sensitivity of Peltier thermoelectric cells coolers by Pérez–Aparicio, J.L., Palma, R., Taylor, R.L.

“…In this work, a finite element simulation of a commercial thermoelectric cell, working as a cooling heat pump, is presented. The specially developed finite…”
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Study of hysteretic thermoelectric behavior in photovoltaic materials using the finite element method, extended thermodynamics and inverse problems by Palma, R., Pérez-Aparicio, J.L., Bravo, R.

“…Theoretical explanation for thermoelectric hysteresis in photovoltaic materials. Energy dissipation introduced by dissipative fluxes related to relaxation…”
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Refined element discontinuous numerical analysis of dry-contact masonry arches by Pérez-Aparicio, J.L., Bravo, R., Ortiz, P.

“…► Behavior of masonry arches studied using Discontinuous Deformation Analysis DDA. ► Equilibrium reached by contact forces in blocks calculated with contact…”
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Non-linear finite element formulation applied to thermoelectric materials under hyperbolic heat conduction model by Palma, R., Pérez-Aparicio, J.L., Taylor, R.L.

“…In the present work, a three-dimensional, dynamic and non-linear finite element to simulate thermoelectric behavior under a hyperbolic heat conduction model is…”
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An enhanced energy conserving time stepping algorithm for frictionless particle contacts by Bravo, R., Pérez-Aparicio, J. L., Laursen, T. A.

“…An Enhanced Energy Conserving Algorithm (EECA) formulation for time integration of frictionless contact–impact problems is presented. In it the energy, linear…”
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Optimal numerical design of bucket elevators using discontinuous deformation analysis by Pérez-Aparicio, J. L., Bravo, R., Gómez-Hernández, J. J.

“…Bucket elevators are efficient machines to transport granular materials in industrial and civil engineering applications. These materials are composed of…”
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Experimental design of dynamic model-based damage identification in piezoelectric ceramics by Rus, G., Palma, R., Pérez-Aparicio, J.L.

“…A model-based inverse problem strategy is proposed for damage characterization, starting from the electromechanical response measurement as input data, and…”
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Optimal measurement setup for damage detection in piezoelectric plates by Rus, G., Palma, R., Pérez-Aparicio, J.L.

“…An optimization of the excitation–measurement configuration is proposed for the characterization of damage in PZT-4 piezoelectric plates, from a numerical…”
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Incipient sediment transport for non-cohesive landforms by the discrete element method (DEM) by Bravo, R., Ortiz, P., Pérez-Aparicio, J.L.

“…We introduce a numerical method for incipient sediment transport past bedforms. The approach is based on the discrete element method (DEM) [1], simulating the…”
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Optimization of pulsed thermoelectric materials using simulated annealing and non-linear finite elements by Moreno-Navarro, P., Pérez-Aparicio, J.L., Gómez-Hernández, J.J.

“…•To find optimal electric intensity pulse for overcooling with thermoelements.•Heuristic optimization simulated annealing. Non-linear coupled dynamic finite…”
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Numerical sedimentation particle-size analysis using the Discrete Element Method by Bravo, R., Pérez-Aparicio, J.L., Gómez-Hernández, J.J.

“…•Sedimentation modeled with the Discrete Element Method and one-way coupling modelization.•Discrete Element Method suited for millions of coupled contact…”
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Elasto-thermoelectric beam formulation for modeling thermoelectric devices by Palma, R., Moliner, E., Pérez-Aparicio, J.L.

“…The present paper provides a dynamic, non-linear and fully coupled Finite Element (FE) formulation based on the Timoshenko beam theory to study…”
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An energy consistent frictional dissipating algorithm for particle contact problems by Bravo, R., Pérez-Aparicio, J.L., Laursen, T.A.

“…SUMMARY An energy frictional dissipating algorithm (EFDA) for time integration of Coulomb frictional impact‐contact problems is presented. With the use of the…”
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Weighted sum optimization for combined thermoelectric geometry and electric pulse using finite elements by Pérez-Aparicio, J.L., Moreno-Navarro, P., Gómez-Hernández, J.J.

“…Thermoelectric materials assembled in Peltier cells are an increasingly widespread option for generating electricity from residual sources and refrigeration,…”
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Elasto-thermoelectric non-linear, fully coupled, and dynamic finite element analysis of pulsed thermoelectrics by Pérez-Aparicio, J.L., Palma, R., Moreno-Navarro, P.

“…•High pulse gains cannot be applied: limits in reachable overcooling and stress.•Non-thermoelectric parts are fundamental for thermal dynamics, stress…”
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Present Status and Future Perspectives of the NEXT Experiment by Seguí, L., Serra, L., Shuman, D., Sofka, C., Sorel, M., Toledo, J. F., Tomás, A., Torrent, J., Tsamalaidze, Z., Veloso, J. F. C. A., Villar, J. A., Webb, R., White, J., Yahlali, N., Gómez Cadenas, J. J., Álvarez, V., Borges, F. I. G., Cárcel, S., Castel, J., Cebrián, S., Cervera, A., Conde, C. A. N., Dafni, T., Dias, T. H. V. T., Díaz, J., Egorov, M., Esteve, R., Evtoukhovitch, P., Fernandes, L. M. P., Ferrario, P., Ferreira, A. L., Freitas, E. D. C., Gehman, V. M., Gil, A., Goldschmidt, A., Gómez, H., González-Díaz, D., Gutiérrez, R. M., Hauptman, J., Hernando Morata, J. A., Herrera, D. C., Iguaz, F. J., Irastorza, I. G., Jinete, M. A., Labarga, L., Laing, A., Liubarsky, I., Lopes, J. A. M., Lorca, D., Losada, M., Luzón, G., Marí, A., Martín-Albo, J., Martínez, A., Miller, T., Moiseenko, A., Monrabal, F., Moutinho, L. M., Monserrate, M., Monteiro, C. M. B., Mora, F. J., Muñoz Vidal, J., Natal da Luz, H., Navarro, G., Nebot-Guinot, M., Nygren, D., Oliveira, C. A. B., Palma, R., Pérez, Javier, Pérez-Aparicio, J. L., Renner, J., Ripoll, L., Rodríguez, A., Rodríguez, J., Santos, F. P., Santos, J. M. F. dos, Simón, A.

“…NEXT is an experiment dedicated to neutrinoless double beta decay searches in xenon. The detector is a TPC, holding 100 kg of high-pressure xenon enriched in…”
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A viscous approach based on oscillatory eigensolutions for viscoelastically damped vibrating systems by Lázaro, Mario, Pérez-Aparicio, José L., Epstein, Marcelo

“…Dissipative mechanisms in linear multiple-degree-of-freedom viscoelastic systems are characterized by the dependence on the history of the velocity…”
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Ionization and scintillation of nuclear recoils in gaseous xenon by Renner, J., Gehman, V.M., Goldschmidt, A., Matis, H.S., Miller, T., Nakajima, Y., Nygren, D., Oliveira, C.A.B., Shuman, D., Álvarez, V., Borges, F.I.G., Cárcel, S., Castel, J., Cebrián, S., Cervera, A., Conde, C.A.N., Dafni, T., Dias, T.H.V.T., Díaz, J., Esteve, R., Evtoukhovitch, P., Fernandes, L.M.P., Ferrario, P., Ferreira, A.L., Freitas, E.D.C., Gil, A., Gómez, H., Gómez-Cadenas, J.J., González-Díaz, D., Gutiérrez, R.M., Hauptman, J., Hernando Morata, J.A., Herrera, D.C., Iguaz, F.J., Irastorza, I.G., Jinete, M.A., Labarga, L., Laing, A., Liubarsky, I., Lopes, J.A.M., Lorca, D., Losada, M., Luzón, G., Marí, A., Martín-Albo, J., Martínez, A., Moiseenko, A., Monrabal, F., Monserrate, M., Monteiro, C.M.B., Mora, F.J., Moutinho, L.M., Muñoz Vidal, J., Natal da Luz, H., Navarro, G., Nebot-Guinot, M., Palma, R., Pérez, J., Pérez Aparicio, J.L., Ripoll, L., Rodríguez, A., Rodríguez, J., Santos, F.P., dos Santos, J.M.F., Seguí, L., Serra, L., Simón, A., Sofka, C., Sorel, M., Toledo, J.F., Tomás, A., Torrent, J., Tsamalaidze, Z., Veloso, J.F.C.A., Villar, J.A., Webb, R.C., White, J., Yahlali, N.

“…Ionization and scintillation produced by nuclear recoils in gaseous xenon at approximately 14bar have been simultaneously observed in an electroluminescent…”
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Dynamic analysis of frame structures with free viscoelastic layers: New closed-form solutions of eigenvalues and a viscous approach by LAZARO, Mario, PEREZ-APARICIO, José L

“…•We develop a method for dynamic analysis of frame structures with free viscoelastic layers.•Damping is modeled with fractional derivatives.•We obtain…”
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Accurate gamma and MeV-electron track reconstruction with an ultra-low diffusion Xenon/TMA TPC at 10 atmospheres by Gonzalez-Diaz, Diego, Alvarez, V, Borges, F. I. G, Camargo, M, Carcel, S, Cebrian, S, Cervera, A, Conde, C. A. N, Dafni, T, Diaz, J, Esteve, R, Fernandes, L. M. P, Ferrario, P, Ferreira, A. L, Freitas, E. D. C, Gehman, V. M, Goldschmidt, A, Gomez-Cadenas, J. J, Gutierrez, R. M, Hauptman, J, Morata, J. A. Hernando, Herrera, D. C, Irastorza, I. G, Labarga, L, Laing, A, Liubarsky, I, Lopez-March, N, Lorca, D, Losada, M, Luzon, G, Mari, A, Martin-Albo, J, Martinez-Lema, G, Martinez, A, Miller, T, Monrabal, F, Monserrate, M, Monteiro, C. M. B, Mora, F. J, Moutinho, L. M, Vidal, J. Munoz, Nebot-Guinot, M, Nygren, D, Oliveira, C. A. B, Perez, J, Aparicio, J. L. Perez, Querol, M, Renner, J, Ripoll, L, Rodriguez, J, Santos, F. P, Santos, J. M. F. dos, Serra, L, Shuman, D, Simon, A, Sofka, C, Sorel, M, Toledo, J. F, Torrent, J, Tsamalaidze, Z, Veloso, J. F. C. A, Villar, J. A, Webb, R, White, J. T, Yahlali, N, Azevedo, C, Aznar, F, Calvet, D, Castel, J, Ferrer-Ribas, E, Garcia, J. A, Giomataris, I, Gomez, H, Iguaz, F. J, Lagraba, A, Coguie, A. Le, Mols, J. P, Sahin, O, Rodriguez, A, Ruiz-Choliz, E, Segui, L, Tomas, A, Veenhof, R

“…We report the performance of a 10 atm Xenon/trimethylamine time projection chamber (TPC) for the detection of X-rays (30 keV) and gamma-rays (0.511-1.275 MeV)…”
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