{"id":34,"date":"2017-07-25T19:19:00","date_gmt":"2017-07-25T19:19:00","guid":{"rendered":"http:\/\/pafec.kevinit.co.uk\/?page_id=34"},"modified":"2017-08-21T12:50:18","modified_gmt":"2017-08-21T12:50:18","slug":"pafec-vibroacoustics-audio","status":"publish","type":"page","link":"https:\/\/pafec.kevinit.co.uk\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/","title":{"rendered":"Audio"},"content":{"rendered":"<p>Air is a light medium and hence will generally have a lesser effect on a vibrating structure than in underwater acoustics. However the cone, dustcap and surround of a loudspeaker drive unit are also light, and hence to obtain accurate results a fully coupled analysis is necessary.<\/p>\n<h3>Application Areas<\/h3>\n<ul>\n<li>cone breakup<\/li>\n<li>cabinet cavity modes<\/li>\n<li>radiation from drive unit<\/li>\n<li>diffraction from edges<\/li>\n<li>placement of speakers in a small room<\/li>\n<li>radiation from panels<\/li>\n<li>horn design<\/li>\n<li>load\/displacement computation for\u00a0spiders and surrounds<\/li>\n<li>compression driver design<\/li>\n<\/ul>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-399 size-full\" src=\"\/wp-content\/uploads\/2017\/08\/speaker-300x401.gif\" alt=\"\" width=\"300\" height=\"401\" \/><\/p>\n<p><a href=\".\/index.php\/pafls-pafec-loudspeaker-analysis-tool\/\">PafLS<\/a>\u00a0 \u00a0 \u00a0\u00a0PAFEC Loudspeaker analysis tool<\/p>\n<p><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/benefits-of-acoustic-febe-analysis-in-loudspeaker-design\/\">Benefits of Acoustic FE\/BE Analysis<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>Examples:<\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/transient-analysis-of-a-horn\/\"> Wave guide \/ horn (axisymmetric transient response) <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/3d-sinusoidal-analysis-of-a-rectangular-horn\/\">Wave guide \/ horn (3D sinusoidal response) <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/3d-transient-analysis-of-a-rectangular-horn\/\">Wave guide \/ horn (3D transient response) <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/3d-sinusoidal-anlaysis-of-a-mobile-phone\/\">Mobile phone (3D sinusoidal response) <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/goodmans-test-drive-unit-comparison-of-pafec-results-with-experimental-results\/\">Experimental \/ FE comparison <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/loudspeaker-drive-unit\/\">Loudspeaker drive unit<\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/large-displacement-analysis-of-a-surround\/\">Large displacement analysis of a surround <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/large-displacement-analysis-of-a-spider\/\">Large displacement analysis of a cupped spider <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/import-of-cad-data-to-create-horn-model\/\">CAD import \/ 3D horn <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/phase-splitters-and-horn\/\">Phase splitters and horn <\/a><\/p>\n<p style=\"padding-left: 30px;\"><a href=\".\/index.php\/pafec-vibroacoustics-application-areas\/pafec-vibroacoustics-audio\/axisymmetric-tweeter-model-using-gid-as-the-pre-processor\/\">GiD pre-processor \/ axisymmetric tweeter <\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Air is a light medium and hence will generally have a lesser effect on a vibrating structure than in underwater[&#8230;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":28,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/34"}],"collection":[{"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=34"}],"version-history":[{"count":7,"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/34\/revisions"}],"predecessor-version":[{"id":700,"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/34\/revisions\/700"}],"up":[{"embeddable":true,"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/pages\/28"}],"wp:attachment":[{"href":"https:\/\/pafec.kevinit.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=34"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}