Two-dimensional phononic crystals: Examples and applications

Y Pennec, JO Vasseur, B Djafari-Rouhani… - Surface Science …, 2010 - Elsevier
Phononic crystals are composite materials made of periodic distributions of inclusions
embedded in a matrix. Due to their periodic structure, these materials may exhibit under …

Enhancement of light extraction from light emitting diodes

AI Zhmakin - Physics Reports, 2011 - Elsevier
The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …

[KNYGA][B] Topology optimization: theory, methods, and applications

MP Bendsoe, O Sigmund - 2013 - books.google.com
" The art of structure is where to put the holes" Robert Le Ricolais, 1894-1977 This is a
completely revised, updated and expanded version of the book titled" Optimization of …

Systematic design of phononic band–gap materials and structures by topology optimization

O Sigmund… - … Transactions of the …, 2003 - royalsocietypublishing.org
Phononic band–gap materials prevent elastic waves in certain frequency ranges from
propagating, and they may therefore be used to generate frequency filters, as beam splitters …

Phononic band gaps and vibrations in one-and two-dimensional mass–spring structures

JS Jensen - Journal of sound and Vibration, 2003 - Elsevier
The vibrational response of finite periodic lattice structures subjected to periodic loading is
investigated. Special attention is devoted to the response in frequency ranges with gaps in …

Experimental and theoretical evidence for the existence of absolute acoustic band gaps in two-dimensional solid phononic crystals

JO Vasseur, PA Deymier, B Chenni… - Physical Review Letters, 2001 - APS
Experimental measurements of acoustic transmission through a solid-solid two-dimensional
binary-composite medium constituted of a triangular array of parallel circular steel cylinders …

A machine learning-based method to design modular metamaterials

L Wu, L Liu, Y Wang, Z Zhai, H Zhuang… - Extreme Mechanics …, 2020 - Elsevier
The concept of modular metamaterials and a machine learning-based method are
introduced in this Letter. The method starts from selection of the structural bases based on …

Acoustic metamaterial plates for elastic wave absorption and structural vibration suppression

H Peng, PF Pai - International Journal of Mechanical Sciences, 2014 - Elsevier
This article presents the design and modeling techniques and design guidelines, and
reveals the actual working mechanism of acoustic metamaterial plates for elastic wave …

Band structure of acoustic waves in phononic lattices: Two-dimensional composites with large acoustic mismatch

Y Tanaka, Y Tomoyasu, S Tamura - Physical Review B, 2000 - APS
The finite-difference time-domain method is applied to the calculation of dispersion relations
of acoustic waves in two-dimensional (2D) phononic lattices, ie, periodic solid-solid, solid …

Tunable filtering and demultiplexing in phononic crystals with hollow cylinders

Y Pennec, B Djafari-Rouhani, JO Vasseur, A Khelif… - Physical Review E, 2004 - APS
Acoustic band gap (ABG) materials constituted of steel hollow cylinders immersed in water
can exhibit a tunable narrow pass band (NPB) located inside their gap. We theoretically …