Search Results - "Olvera, D."

Model-based phase shift optimization of serrated end mills: Minimizing forces and surface location error by Urbikain Pelayo, G., Olvera Trejo, D.

“…•Prediction models for serrated end mills, combination of cutting forces and surface location error.•Experimental characterization and validation of different…”
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A direct Primitive Variable Recovery Scheme for hyperbolic conservative equations: The case of relativistic hydrodynamics by Aguayo-Ortiz, A, Mendoza, S, Olvera, D

“…In this article we develop a Primitive Variable Recovery Scheme (PVRS) to solve any system of coupled differential conservative equations. This method obtains…”
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Milling of gamma titanium–aluminum alloys by Beranoagirre, A., Olvera, D., López de Lacalle, L. N.

“…The present research is focused on the machinability of the gamma-TiAl alloys, also called in literature as titanium aluminides, under the milling process. In…”
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Characterization and stability analysis of a multivariable milling tool by the enhanced multistage homotopy perturbation method by Compeán, F.I., Olvera, D., Campa, F.J., López de Lacalle, L.N., Elías-Zúñiga, A., Rodríguez, C.A.

“…This work deals with the characterization of a three stage multivariable tool used for high-performance milling and the modelling of its dynamic behaviour to…”
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Improved predictions of the stability lobes for milling cutting operations of thin-wall components by considering ultra-miniature accelerometer mass effects by Olvera, D., Elías-Zúñiga, A., Martínez-Romero, O., López de Lacalle, L. N., Martínez-Alfaro, H., Siller, H. R., Pineda, M. W.

“…In this work, we study how the mass and the lightweight connecting cable of an ultra-miniature accelerometer sensor (ACC) influence the frequency response…”
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Determination of the stability lobes in milling operations based on homotopy and simulated annealing techniques by Olvera, D., Elías-Zúñiga, A., Martínez-Alfaro, H., López de Lacalle, L.N., Rodríguez, C.A., Campa, F.J.

“…The stability of a thin wall workpiece milling process is investigated through a single degree of freedom system that mimics the milling machine operation. The…”
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Stability and vibrational behaviour in turning processes with low rotational speeds by Urbikain, G., Olvera, D., de Lacalle, L. N. López, Elías-Zúñiga, A.

“…The demands for more precise tolerances in big industrial components has led to more versatile machine designs that allow a number of cutting operations to…”
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Analysis of the tool tip radial stiffness of turn-milling centers by Olvera, D., de Lacalle, L. N. López, Compeán, F. I., Fz-Valdivielso, A., Lamikiz, A., Campa, F. J.

“…Modern industry requires high-precision machines and processes. This requirement implies the determination and reduction of all possible sources of error. For…”
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Approximate Solutions of Delay Differential Equations with Constant and Variable Coefficients by the Enhanced Multistage Homotopy Perturbation Method by Rodríguez, Ciro A., López de Lacalle, L. N., Elias-Zuniga, Alex, Olvera Trejo, Daniel

“…We expand the application of the enhanced multistage homotopy perturbation method (EMHPM) to solve delay differential equations (DDEs) with constant and…”
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Internal shocks in relativistic jets with time-dependent sources by Mendoza, S., Hidalgo, J. C., Olvera, D., Cabrera, J. I.

“…We present a ballistic description of the formation and propagation of the working surface of a relativistic jet. Using simple laws of conservation of mass and…”
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Monitoring deep twist drilling for a rapid manufacturing of light high-strength parts by López de Lacalle, L.N., Fernández, A., Olvera, D., Lamikiz, A., Olvera, D., Rodríguez, C., Elias, A.

“…In this work the manufacturing of high strength and/or high functional components is presented, using a new technique based on considerably long twist drills,…”
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Role of monocyte chemotactic protein-3 and -4 in children with virus exacerbation of asthma by Santiago, J, Hernandez-Cruz, J. L, Manjarrez-Zavala, M. E, Montes-Vizuet, R, Rosete-Olvera, D. P, Tapia-Diaz, A. M, Zepeda-Peney, H, Teran, L. M

“…Macrophages play a crucial role in respiratory viral infections. However, the mechanisms by which these cells are recruited locally are not fully understood…”
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Surface roughness prediction with new barrel-shape mills considering runout: Modelling and validation by Urbikain Pelayo, G., Olvera-Trejo, D., Luo, M., López de Lacalle, L.N., Elías-Zuñiga, A.

“…•Surface roughness in barrel milling operations considering runout was modelled.•Geometry-based and mathematical-based models were developed for barrel…”
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A model-based sustainable productivity concept for the best decision-making in rough milling operations by Urbikain Pelayo, G., Olvera-Trejo, D., Luo, M., Tang, K., López de Lacalle, L.N., Elías-Zuñiga, A.

“…[Display omitted] •A tool for improved decision-making in rough milling processes.•New approach based on an indicator considering productivity and…”
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Geochemical Fractionation and Potential Ecological Risk of Cadmium and Lead in Soils Impacted by Secondary Lead Refinery by Soto-Jiménez, M. F., Olvera-Balderas, D.

“…Total and geochemical associations of Cd and Pb were studied on 75 topsoil samples around a small secondary metal recovery factory, which stopped operations in…”
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Analysis and control of the paper moisture content variability by using fuzzy and traditional individual control charts by Rodríguez-Álvarez, José L., López-Herrera, Rogelio, Villalon-Turrubiates, Iván E., Molina-Arredondo, Rey D., García Alcaraz, Jorge L., Hernández-Olvera, Óscar D.

“…For several decades, the fuzzy theory has been used to develop the so-called fuzzy control charts to analyze process data in a more reliable and flexible way…”
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Overweight and obesity as poor prognostic factors in locally advanced breast cancer patients by Arce-Salinas, C., Aguilar-Ponce, J. L., Villarreal-Garza, C., Lara-Medina, F. U., Olvera-Caraza, D., Alvarado Miranda, A., Flores-Díaz, D., Mohar, A.

“…Obesity and overweight are established risk factors for the development of breast cancer. They are also associated with poor prognosis for higher risk of…”
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Prognostic factors in emphysematous pyelonephritis by Olvera-Posada, D, García-Mora, A, Culebro-García, C, Castillejos-Molina, R, Sotomayor, M, Feria-Bernal, G, Rodríguez-Covarrubias, F

“…Abstract Objectives The purpose of this study is to analyze our experience with 18 cases of Emphysematous pyelonephritis (EPN) in a tertiary care center and…”
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A Comparison of Continuous-Wave and Pulsed Free Space 2-Port Photonic Vector Network Analyzers for Terahertz Characterization by Faridi, Fahd R., Fernandez Olvera, Anuar D. J., Mukherjee, Amlan k., Preu, Sascha

“…Photonic Vector Network Analyzers (PVNA) provide a viable solution to the rising demand for efficient, accurate, and affordable characterization instruments…”
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Economic feasibility of passive strategies for energy efficient envelopes of mass-built housing in hot-dry climate by Reyes-Barajas, K D, Romero-Moreno, R A, Luna-León, A, Olvera-García, D, Sotelo-Salas, C, Bojórquez-Morales, G

“…The building and construction industry represents 36% of the world’s final energy use and 39% of carbon emissions, while the residential sector is responsible…”
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