CV Lattes
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Universidade de São Paulo (USP). Escola Politécnica (EP) (Institutional affiliation for the last research proposal) Birthplace: Brazil
Prof. Claudio Ruggieri received a Ph.D. degree from Osaka University (Japan) in 1994. He was a research assistant and visiting professor at the University of Illinois at Urbana-Champaign from 1994 to 1997 working in the fields of fracture mechanics, fatigue, structural integrity and computational mechanics with NASA and the Nuclear Regulatory Commision (NRC). He is currently a Full Professor of Structural Mechanics at the Department of Naval Architecture and Ocean Engineering (PNV-EPUSP) of the University of São Paulo and Chair of its Graduate Program. He also holds a B.S. degree in Ocean Engineering and Oil Engineering. Prof. Claudio Ruggieri has published extensively in the areas of fracture mechanics and structural integrity contributing with more than 50 papers in strongly refereed journals and more than 150 articles in national and international conferences. He has also received some research awards, most notably from the American Society of Mechanical Engineers (ASME), and is currently a Research Fellow with the Brazilian Research Council (CNPq 1-A) and an active member of Committee E08 (Fracture and Fatigue) of the American Society for Testing and Materials (ASTM) as well as member of the Editoria Board of Engineering Fracture Mechanics. (Source: Lattes Curriculum)
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Green hydrogen has a strong potential to become a central pillar of the energy transformation required to limit global warming. Incorporation of hydrogen into the energy production system will also help balance renewable electricity supply and demand and serve as long-term seasonal storage. Consequently, this increasing demand for using hydrogen as a widespread energy carrier will drastic…
This research addresses and further advances a local approach to cleavage fracture in terms of a modified form of the Weibull stress and associated probabilistic formulation. Within the present methodology, cleavage fracture is viewed as a multiscale problem in which the coupling between macroscopic (remote) loading, here characterized by the J-integral, and material failure at the microl…
Novel methodologies and innovative approaches have evolved over the past years to develop a theoretical framework capable of accurate predictions of cleavage fracture behavior in different cracked bodies by unifying toughness measures across different crack configurations and loading modes. A consensus has emerged in favor of micro mechanics models based upon a probabilistic interpretatio…
Single-parameter and two-parameter fracture mechanics methodologies have some well-recognized limitations which motivate development of probabilistic approaches to brittle fracture. Such approaches can be extended in straightforward manner to analyze the mechanical integrity of structural components subjected to more complex loading conditions. In particular, probabilistic procedures inco…
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The increasing demand for energy and natural resources has spurred a flurry of exploration and production activities of oil and natural gas in more hostile environments, including very deep water offshore hydrocarbon reservoirs. One of the key challenges facing the oil and gas industry is the assurance of more reliable and fail-safe operations of the infrastructure for production and tran…
This proposal includes a numerical and methodological research on the effects of stress triaxiality and J vs. CTOD relationships in SE(T) specimens with applications to the assessment of defects in pipelines and risers containing circumferential defects. The focus of this work is in agreement with the research conducted by the Center of Advanced Fracture Mechanics and Structural Integrity…
The offshore industry is moving to deeper waters to explore new oil and gas natural resources. It has motivated the development of efficient and innovative ocean systems; they have to meet severe design requirements, and some restrictions during installation and operation. Rigid risers are a key element to ensure a safe production. These risers are subjected to high levels of plastic def…
| 2 / 2 | Ongoing research grants |
| 15 / 11 | Completed research grants |
| 17 / 3 | Completed scholarships in Brazil |
| 1 / 1 | Completed scholarships abroad |
| 35 / 17 | All research grants and scholarships |
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