{"id":9985,"date":"2015-05-26T21:28:00","date_gmt":"2015-05-26T19:28:00","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=9985"},"modified":"2025-02-17T16:42:40","modified_gmt":"2025-02-17T15:42:40","slug":"schallabsorber-software-acousticalc-absorber","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/produkte\/software\/schallabsorber-software-acousticalc-absorber\/","title":{"rendered":"Sound absorber software AcoustiCalc<sup>&reg;&nbsp;Absorber<\/sup>"},"content":{"rendered":"<p><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_01_ed.png\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-9986 size-full\" style=\"margin-top: 0px;\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_01_ed.png\" alt=\"Sound absorber software AcoustiCalc&lt;sup&gt;&amp;reg;&amp;nbsp;Absorber&lt;\/sup&gt; for acoustic design of multi-layer sound absorbers\" width=\"440\" height=\"487\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_01_ed.png 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_01_ed-300x332.png 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p>The sound absorber software AcoustiCalc<sup>\u00ae Absorber<\/sup> is an effective tool for the acoustic design of multi-layer sound absorbers by simulating the sound absorption coefficient.<\/p>\n<p>The working principle of the simulation software for sound absorbers is absed on the analytical description of the single layers of the sound absorbers as fourpoles according to the linear network theory. All models ar from the current literature.<\/p>\n<p>By concatenation of open-cell material layers in combination with air gaps, the acoustic behavior of <strong>arbitrary<\/strong> and <strong>multi-layer<\/strong> sound absorbers can be calculated <strong>simply<\/strong> and <strong>fast<\/strong> under defined environmental conditions.<\/p>\n<p>By predicting results of measurements of the sound absorption coefficient in the reverberation chamber and\/or the Alpha cabin, already in the early stage of development <strong>time<\/strong>, <strong>money<\/strong> and <strong>material<\/strong> can be saved.<\/p>\n<p><!--contentpartdivider--><\/p>\n<h4>Fields of application of sound absorber software<\/h4>\n<h5>Acoustic consultancy and design<\/h5>\n<p>The sound absorber software is interesting for you if you are a consulting engineer who applies and acoustically designs sound absorbers to improve the properties of buildings and vehicles with respect to room acoustics, to optimize the acoustic effectiveness of noise barriers and road surfaces or to achieve a legally required or appropriate noise reduction of sound emitting devices and machines. Typically, sound absorbers are applied in areas such as:<\/p>\n<ul>\n<li>wall absorbers, ceiling absorbers, movable partitions for offices, workplaces, factory buildings, in concert and multipurpose halls as well as cabins of automobiles, trains and airplanes for optimizing the <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/bau-und-raumakustik\/raumakustik\/raumakustische-auslegung-nachhallzeit\/\">reverberation time<\/a>, <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/bau-und-raumakustik\/raumakustik\/raumakustische-auslegung-nachhallzeit\/\">sound propagation<\/a> and the <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/bau-und-raumakustik\/raumakustik\/raumakustische-auslegung-nachhallzeit\/\">speech intelligibility<\/a><\/li>\n<li><a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/maschinenakustik\/larmminderung\/auslegung-von-schallschutzkapseln\/\">enclosures<\/a> and thermal isolations for casings and housings of machines, devices and single components<\/li>\n<li><a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/maschinenakustik\/larmminderung\/auslegung-von-schalldaempfer\/\">silencers and mufflers<\/a> of machines, devices, vehicles, ventilation systems and air conditioning systems<\/li>\n<li>sound absorbing <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/umweltakustik\/strassenlarm\/laermschutzwand-schallschirm\/\">noise barriers<\/a> and noise screens near roads and railroads<\/li>\n<li>sound absorbing <a href=\"https:\/\/www.akustikforschung.de\/en\/leistungen\/umweltakustik\/strassenlarm\/fahrbahn\/\">road surfaces<\/a><\/li>\n<\/ul>\n<h5>Fabrication of sound absorbers<\/h5>\n<p>The sound absorber software is also very helpful to you if you are a manufacturer who develops, fabricates and distributes collections of sound absorbers that are to be efficiently applicable to a wide operational range.<\/p>\n<p>The sound absorber software gives you the following advantages:<\/p>\n<ul>\n<li>It enables you to create an own product database containing the acoustic behavior of every single component. So you can always easily choose the right component to meet the specific requirements. On demand, we adjust our data structure to your products as well.<\/li>\n<\/ul>\n<ul>\n<li>The accuracy of predicting the acoustic efficiency of your specific components of sound absorbers can be optimized by acoustic measurements at fabricated components. The measurement results serve the evaluation of the required complexity of the absorber models to be applied to model your specific materials.<\/li>\n<\/ul>\n<h4>Calculation models and input parameters<\/h4>\n<p>Numerous computational models to map the acoustic effectiveness of open-porous absorbers are available for your design, for example:<\/p>\n<ul>\n<li>empirical model of DELANY and BAZELY<\/li>\n<li>model of homogeneous medium<\/li>\n<li>phenomenological model<\/li>\n<li>model for open-porous curtains<\/li>\n<li>air gap<\/li>\n<\/ul>\n<p>For that matter, measurable characteristic values of materials are applied as input parameters (see <a title=\"overview measuring systems vs. analysis software\" href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/01\/Measuring_Instruments_vs_Analysis_Software_Overview.pdf\" target=\"_blank\" rel=\"noopener\">overview<\/a> measuring systems vs. analysis software), especially:<\/p>\n<ul>\n<li>length-related and specific <a href=\"https:\/\/www.akustikforschung.de\/en\/know-how\/prufverfahren-nach-norm\/stroemungswiderstand-porositaet\/\">airflow resistance<\/a>, respectively (e. g. measurement by means of <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/stroemungswiderstandsmessgeraet-acoustiflow\/\">airflow resistivity meter AcoustiFlow<sup>\u00ae<\/sup><\/a>)<\/li>\n<li><a href=\"https:\/\/www.akustikforschung.de\/en\/know-how\/prufverfahren-nach-norm\/stroemungswiderstand-porositaet\/\">porosity<\/a><\/li>\n<li><a href=\"https:\/\/www.akustikforschung.de\/en\/know-how\/prufverfahren-nach-norm\/stroemungswiderstand-porositaet\/\">structure factor<\/a> and <a href=\"https:\/\/www.akustikforschung.de\/know-how\/prufverfahren-nach-norm\/stroemungswiderstand-porositaet\/\">tortuosity<\/a>, respectively<\/li>\n<\/ul>\n<p>Alternatively, complex characteristic absorber values that were directly measured in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-acoustitube\/\">transmission tube AcoustiTube<sup>\u00ae<\/sup><\/a> can be imported to also consider geometrically complex open-cell material layers at the best possible way.<\/p>\n<h4>Calculation results<\/h4>\n<p>By selecting geometrical and material parameters, you can optimize all multi-layer systems with respect to the sound absorbing requirements. By flexible combination of single layers, also geometrically complex sound absorbers can be assembled.<\/p>\n<p>The calculation of the sound absorption coefficient can be carried out for different sound fields:<\/p>\n<ul>\n<li>The simulation results for statistical (diffuse) sound incidence can be directly compared to the sound absorption coefficient measured in the reverberation chamber and\/or the Alpha cabin. The serve the direct determination of the rated sound absorption coefficient and the absorber class.<\/li>\n<\/ul>\n<ul>\n<li>The simulation results for perpendicular sound incidence can be directly compared to the sound absorption coefficient measured in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-acoustitube\/\">impedance tube AcoustiTube<sup>\u00ae<\/sup><\/a>.<\/li>\n<\/ul>\n<h4>Advantages of sound absorber software<\/h4>\n<p>An essential advantage of the sound absorber software in contrast to measurements in the reverberation chamber\/Alpha cabin is that different products can be directly compared to each other with respect to their sound absorbing properties for one defined thickness, also if the product-specific thickness varies.<\/p>\n<p>All layer-specific input parameters need to be determined only once.<\/p>\n<p><!--contentpartdivider--><\/p>\n<div id=\"attachment_12124\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/02\/Measuring_Instruments_vs_Analysis_Software_Overview_ws.png\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-12124\" class=\"wp-image-12124\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/02\/Measuring_Instruments_vs_Analysis_Software_Overview_ws.png\" alt=\"Interaction of measuring systems and analysis software for acoustic design of mufflers and silencers and multi-layer systems of absorbers\" width=\"300\" height=\"215\" \/><\/a><p id=\"caption-attachment-12124\" class=\"wp-caption-text\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2025\/02\/Measuring_Instruments_vs_Analysis_Software_Overview.pdf\">Overview<\/a> of measuring systems vs. analysis software for acoustic design of mufflers and silencers and multi-layer systems of absorbers<\/p><\/div>\n<div id=\"attachment_9987\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9987\" class=\"wp-image-9987 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws-300x212.jpg\" alt=\"Sound absorber software AcoustiCalc&lt;sup&gt;&amp;reg; Absorber&lt;\/sup&gt; for acoustic design of multi-layer sound absorbers\" width=\"300\" height=\"212\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws-300x212.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws-768x543.jpg 768w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws-640x453.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws-440x311.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/03\/aed3001_02_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-9987\" class=\"wp-caption-text\">User interface of sound absorber software AcoustiCalc<sup>\u00ae Absorber<\/sup><\/p><\/div>\n<div id=\"attachment_10279\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand.png\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10279\" class=\"wp-image-10279 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand-300x271.png\" alt=\"Sound absorber software AcoustiCalc&lt;sup&gt;&amp;reg; Absorber&lt;\/sup&gt; for acoustic design of multi-layer sound absorbers\" width=\"300\" height=\"271\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand-300x271.png 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand-768x693.png 768w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand-640x577.png 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand-440x397.png 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/06\/aed3001_08_mehrschichtiger_schallabsorber_vor_schallharter_Wand.png 866w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-10279\" class=\"wp-caption-text\">Principle setup of multi-layer sound absorber in front of rigid wall<\/p><\/div>\n<div id=\"attachment_10275\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10275\" class=\"wp-image-10275 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws-300x178.jpg\" alt=\"Sound absorber software AcoustiCalc&lt;sup&gt;&amp;reg; Absorber&lt;\/sup&gt; for acoustic design of multi-layer sound absorbers\" width=\"300\" height=\"178\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws-300x178.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws-768x456.jpg 768w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws-640x380.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws-440x261.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_07_vergleich_schallabsorptionsgrad_berechnung_messung_impedanzrohr_ed2_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-10275\" class=\"wp-caption-text\">Comparison of sound absorption coefficient of two combinations of sound absorbing materials, comparison of results of measurements in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-acoustitube\/\">impedance tube<\/a> and calculation results of sound absorber software on the basis of characteristic absorber values measured in the <a href=\"https:\/\/www.akustikforschung.de\/en\/produkte\/messgerate\/impedanzrohr-acoustitube\/\">transmission tube<\/a><\/p><\/div>\n<p><div id=\"attachment_10274\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-10274\" class=\"wp-image-10274 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws-300x214.jpg\" alt=\"Sound absorber software AcoustiCalc&lt;sup&gt;&amp;reg; Absorber&lt;\/sup&gt; for acoustic design of multi-layer sound absorbers\" width=\"300\" height=\"214\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws-300x214.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws-768x548.jpg 768w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws-640x457.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws-440x314.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2018\/04\/aed3001_06_berechnung_bewerteter_Schallabsorptionsgrad_ed2_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-10274\" class=\"wp-caption-text\">Prediction of rated sound absorption coefficient on the basis of calculation results of sound absorption coefficent for statistical (diffuse) sound incidence for direct comparison to results of measurements in the reverberation chamber and\/or the Alpha cabin and determination of absorber class<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>The sound absorber software AcoustiCalc<sup>\u00ae Absorber<\/sup> is an effective tool for the acoustic design of multi-layer sound absorbers by simulating the sound absorption coefficient.<\/p>\n<p>By concatenation of open-cell material layers in combination with air gaps, the acoustic behavior of <strong>arbitrary<\/strong> and <strong>multi-layer<\/strong> sound absorbers can be calculated <strong>simply<\/strong> and <strong>fast<\/strong> under defined environmental conditions.<\/p>\n<p>By predicting results of measurements of the sound absorption coefficient in the reverberation chamber and\/or the Alpha cabin, already in the early stage of development <strong>time<\/strong>, <strong>money<\/strong> and <strong>material<\/strong> can be saved.<\/p>\n","protected":false},"author":2,"featured_media":9986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[402,546,412,544,545,533,255,534,401,279,75,213,86,531,38,64,168,193,500,81,212,385,387,532],"class_list":["post-9985","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-absorbervalues","tag-absorberklasse","tag-absorbermodell","tag-alpha-kabine","tag-bewerteter-schallabsorptionsgrad","tag-deckenabsorber","tag-fahrbahnoberflache","tag-flugzeugkabine","tag-hallraum","tag-larmschutzwand","tag-nachhallzeit","tag-porositat","tag-schallabsorber","tag-schallabsorber-software","tag-schallabsorptionsgrad","tag-schallausbreitung","tag-schalldampfer","tag-schallschutzkapsel","tag-software","tag-sprachverstandlichkeit","tag-stromungswiderstand","tag-tortuositat","tag-transmissionsrohr","tag-wandabsorber","has-content-parts","content-parts-5"],"yoast_head":"<!-- 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