Author
Andrew Deeks
Other affiliations: Norwegian Geotechnical Institute, Dublin City University, Nanjing Forestry University ...read more
Bio: Andrew Deeks is an academic researcher from University College Dublin. The author has contributed to research in topics: Finite element method & Boundary (topology). The author has an hindex of 28, co-authored 109 publications receiving 3037 citations. Previous affiliations of Andrew Deeks include Norwegian Geotechnical Institute & Dublin City University.
Papers published on a yearly basis
Papers
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TL;DR: The scaled boundary finite element method as discussed by the authors is a semi-analytical technique that combines the advantages of the finite element and the boundary element methods with unique properties of its own, such as axisymmetry.
Abstract: The scaled-boundary finite element method is a novel semi-analytical technique, combining the advantages of the finite element and the boundary element methods with unique properties of its own. This paper develops a new virtual work formulation and modal interpretation of the method for elastostatics. This formulation follows a similar procedure to the traditional virtual work derivation of the standard finite element method. As well as making the method more accessible, this approach leads to new techniques for the treatment of body loads, side-face loads and axisymmetry that simplify implementation. The paper fully develops the new formulation, and provides four examples illustrating the versatility, accuracy and efficiency of the scaled boundary finite-element method. Both bounded and unbounded domains are treated, together with problems involving stress singularities.
302 citations
TL;DR: In this paper, a reinforced concrete slab, which was constructed and placed outside the laboratory, has been periodically vibration tested for nearly two years, and the results obtained over that time for the first four modes.
290 citations
TL;DR: In this paper, the authors developed plane strain boundary equations for axisymmetric shear and dilation waves based on an approximation of the form of the outward traveling waves, which are equivalent to mechanical systems with frequency independent components.
Abstract: Finite element analysis of dynamic foundation problems requires the use of transmitting boundaries to model the radiation of waves from the finite element mesh into the far field. Problems involving inelastic behavior of the soil in the near field are most readily solved in the time domain. The standard viscous boundary is widely used in such situations. However, in axisymmetric situations this boundary is inappropriate. This paper develops plane strain boundary equations for axisymmetric shear and dilation waves based on an approximation of the form of the outward traveling waves. These boundary equations are shown to be equivalent to mechanical systems with frequency independent components. The complex stiffnesses of the new boundaries are compared with the equivalent viscous and plane strain boundary stiffnesses, and the new boundaries are found to agree closely with the plane strain boundaries. The response of an extended axisymmetric finite element mesh subjected to a transient force of the type gene...
265 citations
TL;DR: In this paper, a statistical approach is proposed to take into account the effect of uncertainties in developing an ANN model by applying Rosenblueth's point estimate method verified by Monte Carlo simulation.
163 citations
Book•
04 Mar 2004
TL;DR: One-dimensional wave propagation with outward wave propagation was studied in this article, where the authors proposed a method based on strength-of-materials (SOM) approach to evaluate the accuracy.
Abstract: Statement of the problem One-dimensional wave propagation Initial cone with outward wave propagation Reflected and refracted waves from soil layer discontinuities Computation procedure based on strength-of-materials approach Evaluation of accuracy Engineering applications, with practical examples Conclusion. Appendices on programs and models.
145 citations
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2,618 citations
TL;DR: This article reviews Springer Handbook of Speech Processing by Jacob Benesty, Mohan M. Sondhi, Yiteng Huang, 2008, which aims to provide a “roadmap” for the rapidly evolving field of speech processing.
Abstract: This article reviews Springer Handbook of Speech Processing by Jacob Benesty, Mohan M. Sondhi, Yiteng Huang , 2008. 1176 pp. Price: $199.00 (hardcover). ISBN: 978-3-540-49125-5
540 citations
TL;DR: The Nurses' Health Study has grown from a simple questionnaire-based study initiated in 1976 to a rich resource of information collected over 29 years, advancing the understanding of the causes of cancer and the potential for prevention.
Abstract: The Nurses' Health Study has grown from a simple questionnaire-based study initiated in 1976 to a rich resource of information collected over 29 years. Important details about lifestyle have been collected throughout the study and, as the study has progressed, blood samples and DNA from buccal cells have been collected and stored. Tumour samples have also been collected from participants who developed cancer. Through analyses that integrate information from these various sources we are advancing our understanding of the causes of cancer and the potential for prevention.
539 citations
TL;DR: In this paper, the mechanical properties of two types of commercially available products (scrimber and laminated bamboo sheets) were investigated and compared to wood and engineered timber products, and it was shown that engineered bamboo products have properties comparable to or surpass that of timber and timber-based products.
446 citations
TL;DR: This paper aims to fulfill the gap by presenting the highlights of the traditional methods and provide a comprehensive review of the most recent applications of ML and DL algorithms utilized for vibration-based structural damage detection in civil structures.
440 citations