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An efficient LDU algorithm for the minimal least squares solution of linear systems
(Elsevier, 2018-12-15)
The minimal least squares solutions is a topic of interest due to the broad range of applications of this problem. Although it can be obtained from other algorithms, such as the Singular Value Decomposition (SVD) or the ...
Insights into mechanism kinematics for protein motion simulation
(Biomed Central, 2014-06-12)
Background: The high demanding computational requirements necessary to carry out protein motion simulations make it difficult to obtain information related to protein motion. On the one hand, molecular dynamics simulation ...
Una metodología para la mejora del proceso de roscado con macho en fundiciones de alta resistencia
(2018-01-31)
En el método planteado se tienen en cuenta los machos de corte mejores para roscar fundiciones de alta resistencia Austempered Ductile Iron(ADI) en condiciones industriales, en geometría, tipo de recubrimiento PVD y ...
A Functional Data Analysis for Assessing the Impact of a Retrofitting in the Energy Performance of a Building
(MDPI, 2020-04-07)
There is an increasing interest in reducing the energy consumption in buildings and in improving their energy efficiency. Building retrofitting is the employed solution for enhancing the energy efficiency in existing ...
An Analysis of Electroplated cBN Grinding Wheel Wear and Conditioning during Creep Feed Grinding of Aeronautical Alloys
(MDPI, 2018-05-14)
Cubic boron nitride (cBN), in addition to diamond, is one of the two superabrasives most commonly used for grinding hard materials such as ceramics or difficult-to-cut metal alloys such as nickel-based aeronautical alloys. ...
A Consistent Procedure Using Response Surface Methodology to Identify Stiffness Properties of Connections in Machine Tools
(MDPI, 2018-07)
Accurate finite element models of mechanical systems are fundamental resources to perform structural analyses at the design stage. However, uncertainties in material properties, boundary conditions, or connections give ...
Four-point contact slewing bearings for wind turbines: advances in structural modelling and friction torque calculation
(2018-02-23)
Los rodamientos de vuelco (slewing bearings en inglés) son elementos de máquina enfocados a aplicaciones de orientación. Estos componentes se emplean en máquinas de muy diferente naturaleza, como grúas, brazos robóticos, ...
Spiral Bevel Gears Face Roughness Prediction Produced by CNC End Milling Centers
(MDPI, 2018-08)
The emergence of multitasking machines in the machine tool sector presents new opportunities for the machining of large size gears and short production series in these machines. However, the possibility of using standard ...
Design methodology for MAST-type parallel manipulators based on kinematic, dynamic and stiffness criteria: theoretical and experimental application to the 2PRU-1PRS
(2016-07-01)
This thesis presents research in the field of parallel manipulators. We can basically divideindustrial robots in two groups ¿ parallel and serial manipulators. Parallel manipulators are composed ofa mobile and a fixed ...
Desarrollo de un sistema de optimización de forma para perfiles aerodinámicos mediante algoritmos genéticos
(2017-07-11)
La optimización de forma en fluidodinámica consiste en encontrar diseños de elementos mecánicos que den flujos con características óptimas. Físicamente se tiene un flujo que interactúa con ciertos elementos mecánicos sólidos ...