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Cosserat continuum mechanics with applications to granular media
- 2019
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- This textbook explores the theory of Cosserat continuum mechanics, and covers fundamental tools, general laws and major models, as well as applications to the mechanics of granular media. While classical continuum mechanics is based on the axiom that the stress tensor is symmetric, theories such as that expressed in the seminal work of the brothers Eugène and François Cosserat are characterized by a non-symmetric stress tensor. The use of von Mises motor mechanics is introduced, for the compact mathematical description of the mechanics and statics of Cosserat continua, as the Cosserat continuum is a manifold of oriented “rigid particles” with 3 dofs of displacement and 3 dofs of rotation, rather than a manifold of points with 3 dofs of displacement. Here, the analysis is restricted to infinitesimal particle displacements and rotations. This book is intended as a valuable supplement to standard Continuum Mechanics courses, and graduate students as well as researchers in mechanics and applied mathematics will benefit from its self-contained text, which is enriched by numerous examples and exercises.
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Current Trends and Future Developments on (Bio-) Membranes
- 2024
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- Current Trends and Future Developments on (Bio-) Membranes: Engineering with Membranes discusses various aspects of membrane engineering. This includes, but is not limited to, the role of membranes in food production, treatment and recovery, their applications in electrochemical processes and devices, in drug delivery and in ionic materials, such as salts, acids and bases, recovery. In addition, this book approaches the above topics in a different angle than the existing publications, i.e., reviews technical difficulties, environmental challenges and economic analysis. Membranes are one of the technologies which can affect various aspects of engineering dealing with feeds and products. Membranes demonstrate selective purifying properties, hence, membranes can help in the removal of various pollutants onsite and without the need of adding extra units and apparatuses. Besides that, membranes help reactions shift forward and make the whole process more efficient.
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INNOTRACK: Concluding technical report
- 2010
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- The track structure, rails, switches and crossings account for more than 50% of maintenance and renewal costs for the rail industry. To improve the competitiveness of rail transportation, the cost-efficiency of these areas needs to be addressed.This the background to INNOTRACK, an integrated research project funded by the European Commission’s 6th research framework pro- gramme. Running from September 2006 to December 2009, INN- OTRACK has developed a multitude of innovative solutions in the areas of track substructure, rails & welds, and switches & crossings. The solutions have been assessed from technical, logistics and life cycle cost point of views.This Concluding Technical Report of INNOTRACK includes an overview of the project. It further details implementable results, and clusters them into ”highlight” areas. In addition, the book acts as a ”key” to the vast amount of information from INNOTRACK: All sections refer to project reports where more information can be found.
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Advanced Carbon Materials and Technology
- 2014
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Samlingsverk (redaktörskap) (övrigt vetenskapligt/konstnärligt)abstract
- The expansion of carbon materials is multidisciplinary and is related to physics, chemistry, biology, applied sciences and engineering. The research on carbon materials has mostly focused on aspects of fundamental physics as they unique electrical, thermal and mechanical properties applicable for the range of applications.
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Befestigungstechnik, Bewehrungstechnik und...II
- 2012
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Samlingsverk (redaktörskap) (refereegranskat)abstract
- Concrete technology – porosity is decisiveBy RALEJS TEPFERSPorosity is the number of pores in a material for instance pores in certain concrete.Porosity is usually expelled in volume percent. The porosity of concrete has influenceon the properties in many aspects. Composition of concrete, casting in practice,maturing and hardening, cement reactions and risks at freezing, all are influenced byporosity. The possibilities to influence the type of porosity are important.
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