BackExaminar Artículos por departamento (eus.) "Ingeniaritza mekanikoa"
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42CrMo4 steel flow behavior characterization for high temperature closed dies hot forging in automotive components applications
; ; ; Girot Mata, Franck Andrés
; Torregaray Larruscain, Amaia (Elsevier, 2023-11)
The application of new forming processes as the high temperature hot forging in closed dies in an industrial environment still requires further investigation due to the lack of flow stress data at these temperatures. To ... -
A Case Study of a Laser Beam Welding Model for the Welding of Inconel 718 Sheets of a Dissimilar Thickness
Murua de la Mata, Oihane; Arrizubieta Arrate, Jon Iñaki ; Lamikiz Mentxaka, Aitzol ; (MDPI, 2024-07-19)
Laser beam welding (LBW) is a highly demanded process for premium-quality joints in aeronautic, energy, or industrial sectors, where flexibility and low-heat-affected zones are required. One of the main applications of LBW ... -
A Cleaner Milling Process Replacing Emulsion Coolant by Cryogenics CO2
; ; ; ; González Barrio, Haizea; (Springer Nature, 2024-01)
In manufacturing sector, looking for a balance between environmental and technical efficiency taking into account productivity is mandatory. Some sectors, such as the biomedical manufacturing sector, also needs to consider ... -
A Comparison of Numerical Approaches for the Design of Mooring Systems for Wave Energy Converters
Touzón González, Imanol; Nava, Vincenzo; De Miguel, Borja; Petuya Arcocha, Víctor (MDPI, 2020-07-16)
This paper analyses the numerical outcome of applying three different well-known mooring design approaches to a floating wave energy converter, moored by means of four catenary lines. The approaches include: a linearized ... -
A comprehensive method for the elastic calculation of the two-point wheel-rail contact
Santamaría Manrique, Javier; García Vadillo, Ernesto ; (Taylor & Francis, 2006)
This work shows the method developed to solve the wheel-rail contact problem via a look-up table with a three-dimensional elastic model. This method enables introduction of the two contact point effect on vehicle movement ... -
A Consistent Procedure Using Response Surface Methodology to Identify Stiffness Properties of Connections in Machine Tools
Hernández Vázquez, Jesús María; Garitaonandia Areitio, Iker ; Fernandes Rodrigues, María Helena ; ; (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 ... -
A contact mechanics study of 3D frictional conformal contact
; Santamaría Manrique, Javier; García Vadillo, Ernesto ; Correa García, Nekane (Elsevier, 2018-03)
A contact mechanics study of three-dimensional conformal contact with friction is presented, based on numerical calculations with Finite Element models and an extension of Kalker's exact contact theory which takes into ... -
A dynamic data driven application system for real-time simulation of resin transfer moulding processes
; ; ; Estévez Sanz, Julián (Springer, 2022)
[EN] This paper presents a numerical solution to optimize RTM processes based on a DDDAS methodology, taking permeability as stochastic. The model proposed in this investigation allows real-time accurate prediction of the ... -
A Family of Conditionally Explicit Methods for Second-Order ODEs and DAEs: Application in Multibody Dynamics
; ; ; Coria Martínez, Ibai (MDPI, 2024-09-14)
There are several common procedures used to numerically integrate second-order ordinary differential equations. The most common one is to reduce the equation’s order by duplicating the number of variables. This allows one ... -
A feedforward controller for tuning laser cladding melt pool geometry in real time
; ; ; Arrizubieta Arrate, Jon Iñaki; ; Tabernero, Ivan ; (Springer, 2016-07-12)
In this paper, a feedforward proportional-integral (PI) controller is developed to effectively control and tune the laser cladding melt pool geometry in real time. Width setpoint is included in the computer numerically ... -
A Framework for Climate Resilient Urban Design: The Case of Porte de Montreuil, Paris
(MDPI, 2023-09-18)With the increasing frequency and intensity of extreme climate events in cities, it is essential to develop multi-scale and multi-hazard design tools to ensure urban climate resilience. A designed approach to urban development ... -
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 ... -
A Hybrid Control Approach for the Swing Free Transportation of a Double Pendulum with a Quadrotor
Estévez Sanz, Julián; López Guede, José Manuel ; ; (MDPI, 2021-06-13)
In this article, a control strategy approach is proposed for a system consisting of a quadrotor transporting a double pendulum. In our case, we attempt to achieve a swing free transportation of the pendulum, while the ... -
A low-cost vision system for online reciprocal collision avoidance with UAVs
Estévez Sanz, Julián; ; López Guede, José Manuel ; (Elsevier, 2024-05-10)
In this article, we propose a reciprocal collision avoidance system for autonomous drones, based on computer vision and using relative positioning in an indoor environment. This dynamic environment represents a demanding ... -
A Metamodeling Technique for Variable Geometry Trusses Design via Equivalent Parametric Macroelements
Aguirrebeitia Celaya, Josu; Angulo, Carlos ; ; (ASME, 2009-09-03)
A metamodeling methodology is applied to reduce the large computational cost required in the design of variable geometry trusses (VGTs). Using this methodology, submodels of finite elements within a complete FE model of ... -
A Methodology to Evaluate the Reliability Impact of the Replacement of Welded Components by Additive Manufacturing Spare Parts
Coro Gallego, Armando; ; Aguirrebeitia Celaya, Josu ; (MDPI, 2019-08-26)
This article shows a method for inspection scheduling of structures made by additive manufacturing, derived from reliability function evaluations and overhaul inspection findings. The routine was an adaption of an existing ... -
A model-based sustainable productivity concept for the best decision-making in rough milling operations
(Elsevier, 2021)[EN]There is a need in manufacturing as in machining of being more productive. However, at the same time, workshops are also urged for lesser energy waste in cutting operations. Specially, rough milling of impellers and ... -
A multidisciplinary sustainability index to assess transport in urban areas: a case study of Donostia- San Sebastian, Spain
(Routledge, Taylor & Francis Group, 2017-03-23)The management of urban transportation systems represents one of the most formidable challenges for local government that generates several problems related to the well-being and the comfort of the public that commute ... -
A New Approach For Determining The R-Curve In DCB Tests Without Optical Measurements
; Boyano Murillo, Ana Isabel; ; (Elsevier, 2015-02)
A new method for obtaining the R-curve point to point by the Double Cantilever Beam test is proposed. Besides the determination of new compliance and energy release rate equations, the analytical model presented leads to ... -
A New Approach in the Design of Microstructured Ultralight Components to Achieve Maximum Functional Performance
; González Barrio, Haizea; ; ; Albizuri Irigoyen, Joseba ; Lamikiz Mentxaka, Aitzol (MDPI, 2021-03-24)
In the energy and aeronautics industry, some components need to be very light but with high strength. For instance, turbine blades and structural components under rotational centrifugal forces, or internal supports, ask ...