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Abstract The use of graphics processing units (GPUs) has facilitated unprecedented performance gains for computational fluids dynamics in recent years. In many industries this has enabled the integration of large-eddy simulation (LES) in the engineering practice. Flow modelling in the wind industry though still primarily relies on models with significantly lower fidelity. This paper seeks to investigate the reasons why wind energy applications of LES are still an exception in the industrial practice. On that account, we present a survey among industry experts on the matter. The survey shows that the large runtimes and computational costs of LES are still seen as a main obstacle. However, other reasons such as a lack of expertise and user experience, the need for more validation, and lacking trust in the potential benefits of LES reveal that computational efficiency is not the only concern. Lastly, we present an exemplary simulation of a generic offshore wind farm using a GPU-resident Lattice Boltzmann LES framework. The example shows that the runtime requirements stated by a large part of the respondents can already now be fulfilled with reasonable hardware effort.

This article discusses a text, a satire, in the manuscript Paris, Bibl. Nat. lat. 8121 A. Conveniently this section of the codex is called Semiramis (see Dronke 1970). Based on Dronke's (1970) and Gunnell's (1995) research, the article looks further into Semiramis and discusses whether staging rather than reading it comes with a proï¬t. While discussing this hypothesis four major reasons why Semiramis would beneï¬t from being read as a dramatic script and staged can be singled out. Although the play is a distinctly Latin Semiramis shows affinities with the Anglo-Danish culture of it day and age as well as with Eddic plays, especially Skírnismál and Lokasenna (see Gunnell 1995).

AbstractThousands of Roma were killed in Ukraine by the Nazis and auxiliary police on the spot. There are more than 50,000 Roma in today’s Ukraine, represented by second and third generation decendants of the genocide survivors. The discussion on Roma identity cannot be isolated from the memory of the genocide, which makes the struggle over the past a reflexive landmark that mobilizes the Roma movement. About twenty Roma genocide memorials have been erected in Ukraine during last decade, and in 2016 the national memorial of the Roma genocide was opened in Babi Yar. However, scholars do not have a clear picture of memory narratives and memory practices of the Roma genocide in Ukraine. A comprehensive analysis of the contemporary situation is not possible without an examination of the history and memory of the Roma genocide before 1991.

This article considers colonial rhetoric manifested in representations of early settlement in the mining town of Kiruna in northernmost Sweden. Kiruna was founded more than 100 years ago by the LKAB Company with its centre the prosperous mine on Sami land. Continued iron ore mining has made it necessary to relocate the town centre a few kilometres north-east of its original location to ensure the safety of the people. The ongoing process of the town’s transformation due to industrial expansion has given rise to the creation of a memorial park between the town and the mine, in which two historical photographs have been erected on huge concrete blocks. For the Swedish Sami, the indigenous people, the transformation means further exploitation of their reindeer grazing lands and forced adaption to industrial expansion. The historical photographs in the memorial park fit into narratives of colonial expansion and exploration that represent the town’s colonial past. Both pictures are connected to colonial, racialised and gendered space during the early days of industrial colonialism. The context has been set by discussions about what Kiruna “is”, and how it originated. My aim is to study the role of collective memory in mediating a colonial past, by exploring the representations that are connected to and evoked by these pictures. In this progressive transformation of the town, what do these photographic memorials represent in relation to space? What are the values made visible in these photographs? I also discuss the ways in which Kiruna’s history becomes manifested in the town’s transformation and the use of history in urban planning. I argue that, in addressing the colonial history of Kiruna, it is timely to reconsider how memories of a town are communicated into the future by references to the past. I also claim that memory, history, and remembrance and forgetting are represented in this process of history-making and that they intersect gender, class and ethnicity.

Generalization from a case study is a perennial issue in the methodology of the social sciences. The case study is one of the most important research designs in many social scientific fields, but no shared understanding exists of the epistemic import of case studies. This article suggests that the idea of mechanism-based theorizing provides a fruitful basis for understanding how case studies contribute to a general understanding of social phenomena. This approach is illustrated with a reconstruction of Espeland and Sauder's case study of the effects of rankings on US legal education. On the basis of the reconstruction, it is argued that, at least with respect to sociology, the idea of mechanism-based theorizing captures many of the generalizable elements of case studies. Peer reviewed

Community participation and influence are vitally important for meeting the multidimensional sustainability aims of marine spatial planning (MSP) and more specifically for procedural and distributive justice. While participation has received substantial research interest, we identify a need to: 1) develop equity-based principles for coastal community participation that can be used to assess and reform MSP practices; 2) generate rich empirical accounts of coastal community participation and representation linked to real-world MSP practices. Here we present the results of a study that synthesizes critical MSP and blue justice scholarship to develop principles and indicators of coastally equitable and just planning. Drawing on interviews with planners and stakeholders and analysis of planning and legal documents, these principles are used to assess participatory processes linked to Latvian MSP practices in the period 2015 to 2019. Our analysis shows that equitable and just MSP needs to be based on participation that is timely, inclusive, supportive & localized, collaborative, methodical and impactful. When applied to the Latvian case these six principles provide a comprehensive and versatile heuristic approach to assess participation in MSP. In the context of Latvian MSP practices, we revealed a fundamental challenge of maintaining inclusive and localized participation throughout the full planning cycle. To counteract the successive narrowing/hardening of participatory space our results indicate a need for continuously promoting diversity of voices and perspectives, opportunities for collaborative sense making, visioning and critique. This will help to bridge diverse MSP divides (e.g., between land and sea, between local, national, and global values and priorities, between science and local knowledge, and between blue growth, conservation, and justice goals). If applied more generally in research and as part of MSP evaluation an equity-based approach can promote the mainstreaming of coastally just and equitable MSP practices. Finally, considering contextual factors (e.g., history, culture, power, legislation) that shape participation and representation is crucial when applying the equity principles to a particular MSP setting to acknowledge and accommodate its particular characteristics and challenges.

School in the shadow: Private education in Stockholm 1735. During the early eighteenth century, private education was a more significant sector of the educational market than was public education, regarding the number of students and teachers, the presence of female students and teachers, the social background of the students, and the introduction of a more diverse and modern curriculum. Hitherto, little has been known of the actual scope or general conditions of private education, which has been over-shadowed by studies of public education. The article maps private education through the Stockholm Church Consistory’s (Stockholms stads konsistorium) thorough inventory of private teachers in the capital of Sweden during 1734–36, providing information of both suppliers and consumers within the private sector of the educational market, as well as of the practice and functions of private education in early modern time.