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2 produkter
2 produkter
3 659 kr
Skickas inom 5-8 vardagar
Packing problems, which are concerned with optimal arrangements of objects in space, are cross-disciplinary in nature and are encountered in mathematics, physics, chemistry, biology, engineering, and architecture. Such problems form a subject of interest in its own right, providing intriguing intellectual challenges, but are also at the heart of many material properties of condensed matter. In view of this, a series of international conferences on packing problems was launched in 2012 to provide a platform for soft-matter researchers to disseminate their findings. To continue the spirit of this conference series, this international community of researchers has also been invited to contribute reviews of their research to this book. Covering topics on models of ordered and disordered packings, mechanical behaviour of packings, and applications in soft matter and biology, this book provides a broad and authoritative overview of current research.
1 565 kr
Skickas inom 10-15 vardagar
Columnar structures, many of which are helical, refer to dense cylindrical packings of particles. They are ubiquitous, for example, they exist in the contexts of botany, foams, and nanoscience. There have been in-depth investigations of columnar structures of both hard spheres (e.g., ball bearings) and soft spheres (e.g., wet foams), through computer simulations, analytic derivations, or simple experiments. This monograph serves as a comprehensive guide for scientists, engineers, or artists who would like to have a good grasp of the fundamentals and applications of such aesthetically appealing structures for their own professional interests.The book begins with an introduction to the field of packing problems, where such problems are closely related not only to the columnar structures presented in the book but also to the structures of condensed matter systems in general. It then discusses about columnar structures of spheres and overviews their classifications and applications. It reviews the models and concepts employed in the authors’ studies on columnar structures of spheres. It also details the method of sequential deposition for generating columnar structures of hard spheres computationally or experimentally. Lastly, it presents some latest findings on the columnar structures of soft spheres and on the structures obtained from the longitudinal compression of a hard-sphere chain in a cylindrical harmonic potential.