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Cosserat thermo-mechanics under finite deformations: theory and finite element implementation
(2022-05-23)
The objective of this thesis is to propose a theory that is able to capture specific phenomena during machining operations on metals. Recent investigations proved that dislocations-driven mechanisms at molecular or atomic ...
Numerical appoaches for loads and motions assessment of floating offshore renewable energy devices moored by means of catenary mooring systems.
(2021-03-12)
Actualmente se están desarrollando tecnologías para la captación de energías renovables marinas basadas en plataformas flotantes, como las energías eólica marina, undimotriz y mareomotriz, con el fin de lograr un coste de ...
Characterization of the CBN wheel wear and modelling or its effects on NGV grinding.
(2020-01-28)
This thesis is focused on improving a paramount grinding process used in the aeronauticindustry. The process is one of the last manufacturing steps of the nozzle guide vanes, whichform the stator of the exhaust of aeroengines. ...
Design, characterization and experimental testing of two novel reconfigurable joints
(2022-03-11)
This Thesis focuses on the conception and design of joints to be used in reconfigurable parallel manipulators. A set of different joint designs was proposed and subjected to characteristics analysis in order to select the ...
Heat waves risk assessment of historic urban areas: historic buildings and their urban environment
(2022-11-11)
Climate change impacts such as extreme events and progressive global warming are threatening the conservation and liveability of urban cultural heritage. Understanding climate risks on heritage should be part of policy and ...
Machining distortion prediction for aerospace structural components
(2022-12-20)
Las distorsiones son un problema recurrente en la producción de componentes estructurales aeroespaciales, y conlleva altos costos y desperdicio de material y energía en la industria. Actualmente se resuelve mediante largos ...
Multibody dinamikaren ekuazioen integrazioa metodo estrukturalak erabiliz
(2023-05-22)
The main contribution of this document lies on the development of a new algorithm to integrate the equations of multibody dynamics using Newmark. This method takes advantage of the use of fundamental nullspace basis to ...
Improvement of boring operations through novel chatter suppression and chip breakage techniques.
(2023-03-23)
El objetivo de este trabajo de investigación es proponer nuevas técnicas para reducir los problemas limitantes de las operaciones de mandrinado: la evacuación de viruta y las vibraciones autoexcitadas.Como herramienta para ...
Experimental and numerical research on some fundamental aspects of the WEDM process
(2023-04-21)
El corte por electroerosión por hilo (WEDM) es un método no convencional de mecanizado ampliamente utilizado en la fabricación de componentes de alto valor añadido para las industrias aeroespacial,biomédica y automotriz, ...