{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,2,21]],"date-time":"2025-02-21T23:56:26Z","timestamp":1740182186275,"version":"3.37.3"},"reference-count":31,"publisher":"EDP Sciences","license":[{"start":{"date-parts":[[2021,7,20]],"date-time":"2021-07-20T00:00:00Z","timestamp":1626739200000},"content-version":"vor","delay-in-days":200,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"name":"AGENCIA ESTATAL DE INVESTIGACION","award":["RTI2018-096904-B-I00-AR"],"award-info":[{"award-number":["RTI2018-096904-B-I00-AR"]}]},{"name":"Ministry of Science and Innovation of Spain","award":["DI-15-08100"],"award-info":[{"award-number":["DI-15-08100"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Acta Acust."],"accepted":{"date-parts":[[2021,5,31]]},"published-print":{"date-parts":[[2021]]},"abstract":"<jats:p>Sonic crystal acoustic screens have been in progressive research and development in the last two decades as a technical solution for mitigating traffic noise. Their behaviour is quite different from that observed in classical barriers, with the latter being based on physically blocking the direct sound propagation path (only allowing diffracted noise to reach sensible receivers), and sonic crystals providing attenuation efficiency based on the creation of \u201cband-gaps\u201d at specific frequency ranges, due to the Bragg\u2019s interference phenomenon. The distinct physical mechanisms of these two types of noise barriers complicates the use of classical simplified or even numerical models developed for traditional barriers to simulate and predict the attenuation performance of a sonic crystal, and alternative methods become thus required. In the acoustics scientific literature, several authors have proposed estimation and simulation methods based on different numerical tools to predict the sound insulation provided by these new noise abatement solutions. This paper presents a comparative evaluation of some of these methods, with emphasis on the assessment of their accuracy versus memory usage in order to determine which one is the most suitable for optimization methodologies in the design of new devices with improved acoustic performance.<\/jats:p>","DOI":"10.1051\/aacus\/2021021","type":"journal-article","created":{"date-parts":[[2021,7,20]],"date-time":"2021-07-20T08:10:21Z","timestamp":1626768621000},"page":"28","source":"Crossref","is-referenced-by-count":4,"title":["Normal incidence sound insulation provided by Sonic Crystal Acoustic Screens made from rigid scatterers \u2013 assessment of different simulation methods"],"prefix":"10.1051","volume":"5","author":[{"given":"M.P.","family":"Peir\u00f3-Torres","sequence":"first","affiliation":[]},{"given":"M.","family":"Ferri","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2989-375X","authenticated-orcid":false,"given":"Luis M.","family":"Godinho","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2233-2383","authenticated-orcid":false,"given":"Paulo","family":"Amado-Mendes","sequence":"additional","affiliation":[]},{"given":"Francisco","family":"Jose Vea Folch","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5507-7799","authenticated-orcid":false,"given":"Javier","family":"Redondo","sequence":"additional","affiliation":[]}],"member":"250","published-online":{"date-parts":[[2021,7,20]]},"reference":[{"key":"R1","doi-asserted-by":"crossref","first-page":"241","DOI":"10.1038\/378241a0","volume":"387","author":"Mart\u00ednez-Sala","year":"1995","journal-title":"Nature, London"},{"issue":"3","key":"R2","doi-asserted-by":"crossref","first-page":"036616","DOI":"10.1103\/PhysRevE.64.036616","volume":"64","author":"Chen","year":"2001","journal-title":"Physical Review E"},{"issue":"24","key":"R3","doi-asserted-by":"crossref","first-page":"3218","DOI":"10.1063\/1.119130","volume":"70","author":"Kushwaha","year":"1997","journal-title":"Applied Physics Letters"},{"key":"R4","doi-asserted-by":"crossref","first-page":"5240","DOI":"10.1063\/1.1533112","volume":"81","author":"S\u00e1nchez-P\u00e9rez","year":"2002","journal-title":"Applied Physics Letters"},{"key":"R5","doi-asserted-by":"crossref","first-page":"399","DOI":"10.1016\/j.apacoust.2019.01.004","volume":"148","author":"Peir\u00f3-Torres","year":"2019","journal-title":"Applied Acoustics"},{"key":"R6","unstructured":"EN 1793\u20132:2018: Road traffic noise reducing devices \u2013 Test method for determining the acoustic performance \u2013 Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions."},{"key":"R7","unstructured":"EN 1793\u20136:2018: Road traffic noise reducing devices -Test method for determining the acoustic performance \u2013 Part 6: Intrinsic characteristics \u2013 In situ values of airborne sound insulation under direct sound field conditions."},{"issue":"5","key":"R8","doi-asserted-by":"crossref","first-page":"1023","DOI":"10.1002\/andp.19133450511","volume":"345","author":"Zaviska","year":"1913","journal-title":"Annalen der Physik"},{"issue":"11","key":"R9","doi-asserted-by":"crossref","first-page":"369","DOI":"10.1002\/andp.19143491103","volume":"349","author":"Von Ignatowsky","year":"1914","journal-title":"Annalen der Physik."},{"key":"R10","doi-asserted-by":"crossref","first-page":"737","DOI":"10.1109\/TAP.1962.1137940","volume":"10","author":"Twersky","year":"1962","journal-title":"IRE Trans. on Antennas and Propagation"},{"issue":"1","key":"R11","doi-asserted-by":"crossref","first-page":"129","DOI":"10.1007\/s00205-003-0288-z","volume":"171","author":"Guenneau","year":"2004","journal-title":"Archive for Rational Mechanics and Analysis"},{"issue":"11","key":"R12","doi-asserted-by":"crossref","first-page":"113520","DOI":"10.1063\/1.3665205","volume":"110","author":"Wang","year":"2011","journal-title":"Journal of Applied Physics"},{"issue":"5","key":"R13","first-page":"425","volume":"97","author":"Liu","year":"2014","journal-title":"CMES \u2013 Computer Modeling in Engineering & Sciences"},{"key":"R14","first-page":"2367","volume":"2015","author":"S\u00e1nchez-P\u00e9rez","year":"2015","journal-title":"Proceedings of Euronoise"},{"key":"R15","doi-asserted-by":"crossref","first-page":"302","DOI":"10.1109\/TAP.1966.1138693","volume":"14","author":"Yee","year":"1966","journal-title":"IEEE Transactions on Antennas Propagation"},{"key":"R16","first-page":"724","volume":"2","author":"Maloney","year":"1995","journal-title":"Rev. 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