Mechanical Engineering
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A detailed investigation of the impact of an innovative dynamic façade system on indoor environmental quality in offices
(University of Galway, 2023-10-04)In recent years, naturally ventilated glass façades have become a common feature in the design and retrofit of large-scale non-residential buildings, integrating architectural aesthetics and energy efficiency. These ... -
Efficiency and accuracy of GPU-parallelized Fourier spectral methods for solving phase-field models
(Elsevier, 2023-06-15)Phase-field models are widely employed to simulate microstructure evolution during processes such as solidification or heat treatment. The resulting partial differential equations, often strongly coupled together, may be ... -
Experimental characterization and strengthening mechanism of process-structure-property of selective laser melted 316 L
(Elsevier, 2023-03-02)Heat treatment is the most common method to relieve residual stress and to adjust tensile properties in additively manufactured material. However, the well-known strengthening factors (e.g., dislocation density, cellular ... -
Three-dimensional finite element modelling for additive manufacturing of Ti-6Al-4V components: Effect of scanning strategies on temperature history and residual stress
(Elsevier, 2022-03-22)A key challenge for metal additive manufacturing is the requirement to adapt process-structure-property methods currently under development to realistic, complex geometries. Of specific concern in the present work is the ... -
Finite element modelling for mitigation of residual stress and distortion in macro-scale powder bed fusion components
(SAGE Publications, 2022-12-23)Powder bed fusion (PBF) has attracted significant attention in many applications due to its capability of fabricating complex and customized metal parts. However, the potential for high inherent residual stresses that ... -
Process-structure-property modeling for postbuild heat treatment of powder bed fusion Ti-6Al-4V
(SAGE Publications, 2023-07-10)Postbuild heat treatment is an important component in optimized manufacturing processing for laser beam powder bed fusion (PBF-LB) Ti-6Al-4V. The development of predictive modeling, based on the understanding of the ... -
Fretting fatigue and wear of spline couplings: From laboratory testing to industrial application through computational modelling
(World Scientific Publishing Europe Limited, 2022-04)One of the major challenges for fretting fatigue design is the bridging of the gap between laboratory tests, including associated theoretical and computer models, typically constrained to simplified loading conditions, ... -
Finite element modelling of the thermo-mechanical behaviour of a 9Cr martensitic steel
(Springer, Berlin, Heidelberg, 2013-01-01)A multi-axial, unified sinh viscoplastic material model has been developed to model the behaviour of advanced materials subjected to high temperature cyclic loading. The material model accounts for rate-dependent effects ... -
Strategies for mainstreaming education for sustainable development in education systems
(Index Copernicus, 2022-06-30)A meaningful and relevant ¿Excellence in Education Spaces¿ is imperative so that future generations can address societal risks. This inevitably requires education to integrate strategies to transform the current approaches ... -
Portfolio management: The holistic data lifecycle
(Drake Management Review, 2022-10)Machine learning provides many benefits to Portfolio Managers in analysing data and has the potential to provide much more. A concern with the approach to Machine Learning in Portfolio Management is that is caught between ... -
On the corrosion cracking of austenitic stainless steel in molten solar salt: experiments and modelling
(Elsevier, 2022-09-16)The mechanical behaviors of 304 and 316 L steels was investigated in air and in solar salt with different contents of chloride impurity under slow strain rate tensile (SSRT) tests using a novel experimental approach at 565 ... -
A review of the most significant challenges impacting conventional Project Management success
(Institute of Electrical and Electronics Engineers, 2022-06-29)To remain competitive, it is important for organizations to be aware of the success factors for effective conventional project management. It is equally important for them to develop knowledge about project management ... -
Defect evaluation of the honeycomb structures formed during the drilling process
(SAGE Publications, 2019-07-02)In this paper, a comprehensive experimental investigation was carried out to precisely characterize the delamination and uncut fiber in the drilling process. A digital imaging procedure was developed in order to calculate ... -
Indentation characterization of glass/epoxy and carbon/epoxy composite samples aged in artificial salt water at elevated temperature
(Elsevier, 2022-04-21)Micro-level composite properties are a key determinant of the long-term performance and life span of marine-based composite structures. In this paper, the effect of the aging process in salt water at room temperature and ... -
Short basalt fibre reinforced recycled polypropylene filaments for 3D printing
(Elsevier, 2022-08-12)Additive Manufacturing (3D Printing, and specifically Material Extrusion) is a rapid and convenient manufacturing method using raw material in filament form and is a potential candidate process for the use of recycled ... -
Hygrothermal deterioration in carbon/epoxy and glass/epoxy composite laminates aged in marine-based environment (degradation mechanism, mechanical and physicochemical properties)
(Springer, 2022-01-27)One of the major challenges in off-shore tidal and wave energy devices is the ageing of these structures in the hostile marine environment, which limits their operating life. In this research, mechanical properties of aged ... -
Mechanical behavior and long-term life prediction of carbon/epoxy and glass/epoxy composite laminates under artificial seawater environment
(Elsevier, 2019-12-06)This paper presents an investigation on the long-term performance of carbon/epoxy and glass/epoxy laminates in an artificial seawater environment with 3.5% salinity. Accelerated aging tests were conducted at 60 °C for ... -
Evaluation and analysis of fracture modes in single composite basalt/epoxy fibres by photoelastic method and single fibre fragmentation test
(Springer, 2022-04-11)In this work, the suitability of basalt fibres for uni-directional composite material applications, and adhesion between the fibres and the matrix they are embedded in have been investigated. A single fibre fragmentation ... -
End-of-waste criteria: Helper or hindrance for the circular economy in Ireland?
(School of Mechanical and Materials Engineering, University College Dublin, 2022)It is imperative that societies identify and implement mitigation measures to reduce the impact of the climate crisis on the environment, the economy, and human health. A circular economy provides an opportunity to shift ... -
Deformation mechanisms of selective laser melted 316L austenitic stainless steel in high temperature low cycle fatigue
(Elsevier, 2022-04-22)To investigate the low cycle fatigue (LCF) properties of SLM (Selective laser melting) 316L at 550 °C high temperature, a series of LCF tests at different strain amplitudes is conducted on SLM 316L and traditional 316L. ...