PARTITION OF UNITY METHODS Master the latest tool in computational mechanics with this brand-new resource from distinguished leaders in the field While it is the number one tool for computer aided design and engineering, the finite element method (FEM) has difficulties with discontinuities, singularities, and moving boundaries. Partition of unity methods addresses these challenges and is now increasingly implemented in commercially available software. Partition of Unity Methods delivers a detailed overview of its fundamentals, in particular the extended finite element method for applications in solving moving boundary problems. The distinguished academics and authors introduce the XFEM as a natural extension of the traditional finite element method (FEM), through straightforward one-dimensional examples which form the basis for the subsequent introduction of higher dimensional problems. This book allows readers to fully understand and utilize XFEM just as it becomes ever more crucial to industry practice. Partition of Unity Methods explores all essential topics on this key new technology, including: Coverage of the difficulties faced by the finite element method and the impetus behind the development of XFEM The basics of the finite element method, with discussions of finite element formulation of linear elasticity and the calculation of the force vector An introduction to the fundamentals of enrichment A revisitation of the partition of unity enrichment A description of the geometry of enrichment features, with discussions of level sets for stationary interfaces Application of XFEM to bio-film, gradient theories, and three dimensional crack propagation Perfect for researchers and postdoctoral candidates working in the field of computational mechanics, Partition of Unity Methods also has a place in the libraries of senior undergraduate and graduate students working in the field. Finite element and CFD analysts and developers in private industry will also greatly benefit from this book.
PARTITION OF UNITY METHODS Master the latest tool in computational mechanics with this brand-new resource from distinguished leaders in the field While it is the number one tool for computer aided design and engineering, the finite element method (FEM) has difficulties with discontinuities, singularities, and moving boundaries. Partition of unity methods addresses these challenges and is now increasingly implemented in commercially available software. Partition of Unity Methods delivers a detailed overview of its fundamentals, in particular the extended finite element method for applications in solving moving boundary problems. The distinguished academics and authors introduce the XFEM as a natural extension of the traditional finite element method (FEM), through straightforward one-dimensional examples which form the basis for the subsequent introduction of higher dimensional problems. This book allows readers to fully understand and utilize XFEM just as it becomes ever more crucial to industry practice. Partition of Unity Methods explores all essential topics on this key new technology, including: Coverage of the difficulties faced by the finite element method and the impetus behind the development of XFEM The basics of the finite element method, with discussions of finite element formulation of linear elasticity and the calculation of the force vector An introduction to the fundamentals of enrichment A revisitation of the partition of unity enrichment A description of the geometry of enrichment features, with discussions of level sets for stationary interfaces Application of XFEM to bio-film, gradient theories, and three dimensional crack propagation Perfect for researchers and postdoctoral candidates working in the field of computational mechanics, Partition of Unity Methods also has a place in the libraries of senior undergraduate and graduate students working in the field. Finite element and CFD analysts and developers in private industry will also greatly benefit from this book.
This book traces the origins of modern varieties of Yiddish and presents evidence for the claim that, contrary to most accounts, Yiddish only developed into a separate language in the 15th century. Through a careful analysis of Yiddish phonology, morphology, orthography, and the Yiddish lexicon in all its varieties, Alexander Beider shows how what are commonly referred to as Eastern Yiddish and Western Yiddish have different ancestors. Specifically, he argues that the western branch is based on German dialects spoken in western Germany with some Old French influence, while the eastern branch has its origins in German dialects spoken in the modern-day Czech Republic with some Old Czech influence. The similarities between the two branches today are mainly a result of the close links between the underlying German dialects, and of the close contact between speakers. Following an introduction to the definition and classification of Yiddish and its dialects, chapters in the book investigate the German, Hebrew, Romance, and Slavic components of Yiddish, as well as the sound changes that have occurred in the various dialects. The book will be of interest to all those working in the areas of Yiddish and Jewish Studies in particular, and historical linguistics and history more generally.
Linguistic and semantic features in names—and surnames in particular—reveal evidence of historical phenomena, such as migrations, occupational structure, and acculturation. In this book, Alexander Avram assembles and analyzes a corpus of more than 28,000 surnames, including phonetic and graphic variants, used by Jews in Romanian-speaking lands from the sixteenth century until 1944, the end of World War II in Romania. Mining published and unpublished sources, including Holocaust-period material in the Yad Vashem Archives and the Pages of Testimony collection, Avram makes the case that through a careful analysis of the surnames used by Jews in the Old Kingdom of Romania, we can better understand and corroborate different sociohistorical trends and even help resolve disputed historical and historiographical issues. Using onomastic methodology to substantiate and complement historical research, Avram examines the historical development of these surnames, their geographic patterns, and the ways in which they reflect Romanian Jews’ interactions with their surroundings. The resulting surnames dictionary brings to light a lesser-known chapter of Jewish onomastics. It documents and preserves local naming patterns and specific surnames, many of which disappeared in the Holocaust along with their bearers. Historical Implications of Jewish Surnames in the Old Kingdom of Romania is the third volume in a series that includes Pleasant Are Their Names: Jewish Names in the Sephardi Diaspora and The Names of Yemenite Jewry: A Social and Cultural History, both of which are available from Penn State University Press. This installment will be especially welcomed by scholars working in Holocaust studies.
Although he has largely receded from the public consciousness, John Mitchell Jr., the editor and publisher of the Richmond Planet, was well known to many black, and not a few white, Americans in his day. A contemporary of Booker T. Washington, Mitchell contrasted sharply with Washington in temperament. In his career as an editor, politician, and businessman, Mitchell followed the trajectory of optimism, bitter disappointment, and retrenchment that characterized African American life in the Reconstruction and Jim Crow South. Best known for his crusade against lynching in the 1880s, Mitchell was also involved in a number of civil rights crusades that seem more contemporary to the 1950s and 1960s than the turn of that century. He led a boycott against segregated streetcars in 1904 and fought residential segregation in Richmond in 1911. His political career included eight years on the Richmond city council, which ended with disenfranchisement in 1896. As Jim Crow strengthened its hold on the South, Mitchell, like many African American leaders, turned to creating strong financial institutions within the black community. He became a bank president and urged Planet readers to comport themselves as gentlemen, but a year after he ran for governor in 1921, Mitchell's fortunes suffered a drastic reversal. His bank failed, and he was convicted of fraud and sentenced to three years in the state penitentiary. The conviction was overturned on technicalities, but the so-called reforms that allowed state regulation of black businesses had done their worst, and Mitchell died in poverty and some disgrace. Basing her portrait on thorough primary research conducted over several decades, Ann Field Alexander brings Mitchell to life in all his complexity and contradiction, a combative, resilient figure of protest and accommodation who epitomizes the African American experience in the late nineteenth and early twentieth centuries.
OPUS is a political thriller about the joint search by American and Soviet Cultural Officers for a Beethoven Cello Concerto in Hungary, leading to the involvement of three Intelligence agencies, World War II intrigue, and culminating at KGB HQ.
There are 6,900 words discussed in this dictionary. Readers will find a pure lexicon of Scottish-Gaelic, purged of the Irish words that are often thrown into dictionaries of this sort. Two thirds of the vocabulary include native Gaelic and Celtic words. This extensive work is founded on the Highland Society's Gaelic Dictionary.
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