Search Results - "Garmendia, Iñaki"

Transient thermal parameters correlation of spacecraft thermal models against test results by Garmendia, Iñaki, Anglada, Eva

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Thermal parameters identification in the correlation of spacecraft thermal models against thermal test results by Garmendia, Iñaki, Anglada, Eva

“…Temperatures predicted by the Thermal Mathematical Models (TMMs) used in the thermal control design of spacecraft, usually present differences with the values…”
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Improved FEM Natural Frequency Calculation for Structural Frames by Local Correction Procedure by Urruzola, Javier, Garmendia, Iñaki

“…The accurate calculation of natural frequencies is important for vibration and earthquake analyses of structural frames. For this purpose, it is necessary to…”
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Calculation of Linear Buckling Load for Frames Modeled with One-Finite-Element Beams and Columns by Urruzola, Javier, Garmendia, Iñaki

“…Critical linear buckling load calculation is one of the possible ways to check structural stability. Structural analysis programs usually model beams and…”
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Influence of the Measurements Uncertainties in the Correlation of Spacecraft Thermal Models against Thermal Results by Garmendia, Iñaki, Anglada, Eva

“…Ground thermal tests are always mandatory before any space mission is flown into space. The collected results of these tests are mainly temperatures of the…”
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Design and Fabrication of a Phase Change Material Heat Storage Device for the Thermal Control of Electronics Components of Space Applications by Garmendia, Iñaki, Vallejo, Haritz, Seco, Miguel, Anglada, Eva

“…In this paper, the design and validation of a heat storage device based on phase change materials are presented, with the focus on improving the thermal…”
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Thermal mathematical model correlation through genetic algorithms of an experiment conducted on board the International Space Station by Garmendia, Iñaki, Anglada, Eva

“…Genetic algorithms have been used for matching temperature values generated using thermal mathematical models against actual temperatures measured in thermal…”
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Correlation of thermal mathematical models for thermal control of space vehicles by means of genetic algorithms by Anglada, Eva, Garmendia, Iñaki

“…The design of the thermal control system of space vehicles, needed to maintain the equipment components into their admissible range of temperatures, is usually…”
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Composite Mould Design with Multiphysics FEM Computations Guidance by Garmendia, Iñaki, Vallejo, Haritz, Osés, Usue

“…Composite moulds constitute an attractive alternative to classical metallic moulds when used for components fabricated by processes such as Resin Transfer…”
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Plasma nitriding of the inner surface of stainless steel tubes by Braceras, Iñigo, Ibáñez, Iñigo, Dominguez-Meister, Santiago, Sánchez-García, Jose Angel, Brizuela, Marta, Larrañaga, Aitor, Garmendia, Iñaki

“…Stainless steels, especially the austenitic grades, present a good corrosion resistance but poor mechanical properties. Nitriding can increase the surface…”
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Accurate calculation of conductive conductances in complex geometries for spacecrafts thermal models by Garmendia, Iñaki, Anglada, Eva, Vallejo, Haritz, Seco, Miguel

“…The thermal subsystem of spacecrafts and payloads is always designed with the help of Thermal Mathematical Models. In the case of the Thermal Lumped Parameter…”
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Electro-tribological properties of diamond like carbon coatings by Braceras, Iñigo, Ibáñez, Iñigo, Dominguez-Meister, Santiago, Velasco, Xabier, Brizuela, Marta, Garmendia, Iñaki

“…Diamond like carbon (DLC) coatings typically present good self-lubricating tribological properties that could be of interest in sliding dielectric contacts in…”
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Lamellar Spacing Modelling for LPBF Aluminum Parts by Anglada, Eva, García, José Carlos, Arrue, Mario, Cearsolo, Xabier, Garmendia, Iñaki

“…The high cooling rates reached during metal additive manufacturing (MAM) generate microstructures very different from those obtained by other conventional…”
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Performance of Optimization Algorithms in the Model Fitting of the Multi-Scale Numerical Simulation of Ductile Iron Solidification by Anglada, Eva, Meléndez, Antton, Obregón, Alejandro, Villanueva, Ester, Garmendia, Iñaki

“…The use of optimization algorithms to adjust the numerical models with experimental values has been applied in other fields, but the efforts done in metal…”
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Corrosion preserving high density plasma treatment of precipitation hardening stainless steel by Braceras, Iñigo, Ibáñez, Iñigo, Domínguez-Meister, Santiago, Urgebain, Aiala, Sánchez-García, Jose Angel, Larrañaga, Aitor, Garmendia, Iñaki

“…Specialty alloys such as precipitation hardening stainless steels are routinely used in critical applications requiring high strength and corrosion resistance,…”
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Metamodels’ Development for High Pressure Die Casting of Aluminum Alloy by Anglada, Eva, Boto, Fernando, García de Cortazar, Maider, Garmendia, Iñaki

“…Simulation is a very useful tool in the design of the part and process conditions of high-pressure die casting (HPDC), due to the intrinsic complexity of this…”
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Performance of Gradient-Based Solutions versus Genetic Algorithms in the Correlation of Thermal Mathematical Models of Spacecrafts by Anglada, Eva, Garmendia, Iñaki, Martinez-Jimenez, Laura

“…The correlation of the thermal mathematical models (TMMs) of spacecrafts with the results of the thermal test is a demanding task in terms of time and effort…”
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Infra-red and vibration tests of hybrid ablative/ceramic matrix technological breadboards for earth re-entry thermal protection systems by Barcena, Jorge, Garmendia, Iñaki, Triantou, Kostoula, Mergia, Konstatina, Perez, Beatriz, Florez, Sonia, Pinaud, Gregory, Bouilly, Jean-Marc, Fischer, Wolfgang P.P.

“…A new thermal protection system for atmospheric earth re-entry is proposed. This concept combines the advantages of both reusable and ablative materials to…”
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On the thermodynamics, stability and hierarchy of entropy functions in fluid flow by Hauke, Guillermo, Landaberea, Aitor, Garmendia, Iñaki, Canales, Javier

“…Symmetric forms of systems of equations describing physical phenomena present exceptional desirable properties such as symmetric coefficient matrices, well…”
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A segregated method for compressible flow computation. Part II: general divariant compressible flows by Hauke, Guillermo, Landaberea, Aitor, Garmendia, Iñaki, Canales, Javier

“…Typically, segregated methods have been used for the computation of incompressible flows whereas coupled solvers, for compressible flows. Compared to coupled…”
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