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Phononic crystals are artificial periodic structures that can alter efficiently the flow of sound, acoustic waves, or elastic waves. They were introduced about twenty years ago and have gained increasing interest since then, both because of their amazing physical properties and because of their potential applications. The topic of phononic crystals stands as the cross-road of physics (condensed matter physics, wave propagation in inhomogeneous and periodic media) and engineering (acoustics, ultrasonics, mechanical engineering, electrical engineering). Phononic crystals cover a wide range of scales, from meter-size periodic structures for sound in air to nanometer-size structures for information processing or thermal phonon control in integrated circuits. Phononic crystals have a definite relation with the topic of photonic crystals in optics. The marriage of phononic and photonic crystals also provides a promising structural basis for enhanced sound and light interaction. As the topic is getting popular, it is nowadays presented and discussed at various international conferences. After the first ten years during which the topic has remained mainly theoretical with a few proof-of-concept demonstrations in the literature, the evolution has been towards applications, instrumentation, and novel designs. The physical explanations for various effects are now well understood and efficient numerical methods and analysis tools have been developed. The book contains a comprehensive set of finite element model (FEM) scripts for solving basic phononic crystal problems. The scripts are short, easy to read, and efficient, allowing the reader to generate for him(her)self band structures for 2D and 3D phononic crystals, to compute Bloch waves, waveguide and cavity modes, and more.

Crystallography. --- Crystals --- Metamaterials. --- Acoustical materials. --- Soundproofing materials --- Materials --- Meta materials --- Composite materials --- Electromagnetism --- Leptology --- Physical sciences --- Mineralogy --- Acoustic properties. --- Acoustic materials

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This book is a resource for architects, designers and creative professionals -- the first publication of its kind to catalogue over 100 sound absorbing materials with full colour images paired with inspiring real-world applications. Fundamental technical concepts are clearly and concisely presented to provide a general understanding of how materials absorb sound and how these materials are commonly used to reduce noise and reverberation, inform our sense of space, and improve communication in everyday environments. This book not only surveys an extensive range of materials past, present and emerging, but also highlights many exciting opportunities for future innovation and collaboration at the intersections of acoustical engineering, materials science, design and architecture. A special chapter is devoted to interviews with leading designers and engineers who work with sound absorbing materials in a variety of novel and innovative ways.

Acoustique architecturale --- Design architectural --- Son --- Espace (architecture) --- Architectural acoustics --- Acoustical materials --- Designers --- Acoustique --- Acoustique appliquée --- Isolation acoustique --- Mur antibruit --- 699.844 --- Bouwmaterialen --- Geluidsisolatie van gebouwen --- Isolatiematerialen ; organische en anorganische --- Acoustics, Architectural --- Buildings --- Absorption of sound --- Acoustical engineering --- Sound --- Soundproofing materials --- Materials --- Design --- Geluidsisolatie. Lawaaibestrijding. Akoestiek --- Acoustics --- Environmental engineering --- Acoustique architecturale. --- Design architectural. --- Son. --- 691(035) --- Bouwmaterialen ; handboeken --- Acoustical materials - Pictorial works --- Designers - Interviews --- Acoustic materials