{"id":9023,"date":"2015-05-27T15:45:29","date_gmt":"2015-05-27T15:45:29","guid":{"rendered":"https:\/\/www.akustik-forschung.de\/test\/?p=9023"},"modified":"2025-06-05T09:20:53","modified_gmt":"2025-06-05T07:20:53","slug":"vibroakustik-software-m-alphacell","status":"publish","type":"post","link":"https:\/\/www.akustikforschung.de\/en\/produkte\/software\/vibroakustik-software-m-alphacell\/","title":{"rendered":"Vibro-acoustics software M&nbsp;AlphaCell"},"content":{"rendered":"<p><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_02_ed.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright size-full wp-image-9025\" style=\"margin-top: 0px;\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_02_ed.jpg\" alt=\"Software AlphaCell for vibro-acoustic evaluation of multi-layer systems\" width=\"440\" height=\"487\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_02_ed.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_02_ed-300x332.jpg 300w\" sizes=\"auto, (max-width: 440px) 100vw, 440px\" \/><\/a><\/p>\n<p>AlphaCell is a state-of-the-art software that allows the vibro-acoustic evaluation of multi-layer systems. Based on a multitude of available parametrized calculation models, different quantities and indicators &#8211; relevant in the area of architectural acoustics and room acoustics &#8211; can be computed. Besides the sound absorption, this includes the sound insulation, impact sound level, sound power and others quantities.<\/p>\n<p>The multi-layer system is set up by an arbitrary number of single layers &#8211; each described by means of geometric dimensions together with acoustic and dynamic material parameters.<\/p>\n<p><!--contentpartdivider--><\/p>\n<h4>Principle of AlphaCell<\/h4>\n<p>By means of a simple &#8220;Drag&amp;Drop&#8221; functionality, the single layers of the multi-layer system are assembled one by one. Subsequently, the excitation conditions in terms of airborne sound and structure-borne sound as well as the specific parametrized calculation models for the different materials can be chosen independently.<\/p>\n<p>All material parameters required for calculating the vibro-acoustic properties can be assigned from a material database. By modifying the different geometrical and material-specific parameters, the vibro-acoustic behaviour of different multi-layer systems can be compared and optimized very efficiently and effectively.<\/p>\n<h4>Calculated indicators<\/h4>\n<p>Amongst others, the following indicators can be computed:<\/p>\n<ul>\n<li>sound absorption coefficient, sound reflection coefficient, surface impedance, dynamic mass density, dynamic bulk modulus<\/li>\n<li>sound transmission loss<\/li>\n<li>impact sound level, attenuation of impact sound level<\/li>\n<li>quadratic velocities at front and rear side of respective building element (sending and receiving room)<\/li>\n<li>incident and radiated sound power (sending and receiving room)<\/li>\n<li>associated unique indicators (single-number values according to ISO 10140 series)<\/li>\n<\/ul>\n<h4>Excitation conditions<\/h4>\n<p>The vibro-acoustics software enables to select from various excitation conditions. These include:<\/p>\n<ul>\n<li>single plane sound wave incident from an arbitrary angle<\/li>\n<li>diffuse sound field (statistical sound incidence)<\/li>\n<li>one- and two-dimensional modal sound field<\/li>\n<li>single mechanical force<\/li>\n<li>impact sound of tapping machine<\/li>\n<li>rain-on-the-roof excitation<\/li>\n<li>turbulent boundary layer<\/li>\n<\/ul>\n<h4>Available calculation models<\/h4>\n<p>A large number of calculation models are provided by the vibro-acoustics software, e.\u00a0g.:<\/p>\n<ul>\n<li>porous materials\n<ul>\n<li>fibrous: Delany-Bazley, Delany-Bazley-Miki, Attenborough<\/li>\n<li>granular: Horoshenkov-Pore Size Distribution, Hamet<\/li>\n<li>fibrous, cellular: JCA, JCAL, JCAPL, Miki, Wilson<\/li>\n<li>imported measured data<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>perforated plates\/fabrics\n<ul>\n<li>circular, square, slit perforated plates<\/li>\n<li>screens, woven\/non-woven fabrics<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>solid materials\n<ul>\n<li>elastic isotropic<\/li>\n<li>visco-elastic isotropic: frequency-dependent values of Young&#8217;s modulus, Poisson ratio and damping loss factor<\/li>\n<li>septum<\/li>\n<li>impervious screen<\/li>\n<li>limp and rigid bodies<\/li>\n<li>orthotropic 3D<\/li>\n<li>transverse isotropic<\/li>\n<li>thin orthotropic plate<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>heterogeneous materials\n<ul>\n<li>double porosity materials, porous composites<\/li>\n<li>stud for double leaf partitions (point or line connection)<\/li>\n<li>porous media with inner resonators<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>The majority of calculation models has been extensively <a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/AlphaCell_ValidationExamples_EN_v9p0.pdf\">validated<\/a> by comparing calulation results of vibroacoustic characteristic values of the software AlphaCell with results of measurements in the test setup or numerical simulations.<\/p>\n<h4>Other general features<\/h4>\n<ul>\n<li>spatial windowing according to Vigran, Rhazi and Ghinet methods<\/li>\n<li>assistant feature to help the interpretation of the results<\/li>\n<li>project based organization<\/li>\n<li>extended material data base (building, industry, automotive, aeronautics)<\/li>\n<li>possibility to import data for comparison (recomputation of associated unique indicators if applicable)<\/li>\n<li>export of materials to OptiStruct, Actran and Nastran format<\/li>\n<li>automated generation of report in Pdf format<\/li>\n<li>import of arbitrary file format for comparison purposes<\/li>\n<\/ul>\n<h4>Design, consultancy and seminars<\/h4>\n<p>From the development, over the evaluation, up to the optimization of sound absorbers as well as separating sound insulating building elements, we like to provide our specific technical knowledge. For that purpose, besides a training of your staff members regarding the handling of the vibro-acoustics software AlphaCell, we offer you various <a href=\"https:\/\/www.akustikforschung.de\/en\/know-how\/seminare-und-schulungen\/\">seminars and trainings courses<\/a> in the field of technical acoustics.<\/p>\n<p>Furthermore, on request, we support you with the acoustic design and the evaluation of sound absorbers as well as separating sound insulating building elements with respect to various applications. This includes especially the utilization in the area of building and room acoustics as well as noise reduction in terms of mufflers and silencers, noise screens and enclosures.<\/p>\n<p><sup>*<\/sup> <sup>AlphaCell is a trademark of the company MATELYS<\/sup><br \/>\n<sup>**<\/sup> <sup>OptiStruct is a trademark of the company Altair<\/sup><br \/>\n<sup>***<\/sup> <sup>Actran and Nastran are trademarks of the MSC Software Corporation<\/sup><\/p>\n<p><!--contentpartdivider--><\/p>\n<div id=\"attachment_5461\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-5461\" class=\"wp-image-5461 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws-300x162.jpg\" alt=\"Potential sound absorbers, materials with open porosity\" width=\"300\" height=\"162\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws-300x162.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws-640x347.jpg 640w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws-440x238.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2012\/07\/materialien_04_ed_ws.jpg 800w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-5461\" class=\"wp-caption-text\">Specimens of materials with open porosity<\/p><\/div>\n<div id=\"attachment_9126\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_01_ed3_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9126\" class=\"wp-image-9126 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_01_ed3_ws-300x227.jpg\" alt=\"User interface of software AlphaCell for vibro-acoustic evaluation of multi-layer systems\" width=\"300\" height=\"227\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_01_ed3_ws-300x227.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_01_ed3_ws-440x333.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/alphacell_01_ed3_ws.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-9126\" class=\"wp-caption-text\">AlphaCell &#8211; sound absorption coefficient of open-cell foam as a function of frequency &#8211; comparison of measurement result with calculation results by means of two different absorber models<\/p><\/div>\n<div id=\"attachment_9048\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/messung_luftschalldaemmung_labor_04_ed4_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9048\" class=\"wp-image-9048 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/messung_luftschalldaemmung_labor_04_ed4_ws-300x203.jpg\" alt=\"Measurement and simulation of airborne sound insulation of multi-layer systems\" width=\"300\" height=\"203\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/messung_luftschalldaemmung_labor_04_ed4_ws-300x203.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/messung_luftschalldaemmung_labor_04_ed4_ws-440x297.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/messung_luftschalldaemmung_labor_04_ed4_ws.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-9048\" class=\"wp-caption-text\">Evaluation of transmission loss of multi-layer system (steel sheet-metal foam-steel sheet)<\/p><\/div>\n<p><div id=\"attachment_9149\" style=\"width: 310px\" class=\"wp-caption alignright\"><a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/06\/alphacell_04_ed_ws.jpg\" rel=\"gallery\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-9149\" class=\"wp-image-9149 size-medium\" src=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/06\/alphacell_04_ed_ws-300x196.jpg\" alt=\"User interface of software AlphaCell for vibro-acoustic evaluation of multi-layer wall and ceiling elements\" width=\"300\" height=\"196\" srcset=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/06\/alphacell_04_ed_ws-300x196.jpg 300w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/06\/alphacell_04_ed_ws-440x288.jpg 440w, https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/06\/alphacell_04_ed_ws.jpg 600w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><p id=\"caption-attachment-9149\" class=\"wp-caption-text\">Transmission loss of double-layer wall setup (steel sheet-porous absorber-steel sheet) with and without studs &#8211; Comparison of calculation results of software AlphaCell with results of measurements in the test setup (see <a href=\"https:\/\/www.akustikforschung.de\/wp-content\/uploads\/2015\/05\/AlphaCell_ValidationExamples_EN_v9p0.pdf\">Validation Booklet<\/a>)<\/p><\/div><\/p>","protected":false},"excerpt":{"rendered":"<p>AlphaCell is a state-of-the-art software that allows the vibro-acoustic evaluation of multi-layer systems. Based on a multitude of available parametrized [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":9025,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[667,85,169,39,38,65,96,500,481,666,479],"class_list":["post-9023","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-software","tag-anregung","tag-auslegung","tag-optimierung","tag-schallabsorption","tag-schallabsorptionsgrad","tag-schalldammung","tag-schallleistung","tag-software","tag-trittschallpegel","tag-vibroakustik-software","tag-vibroakustisch","has-content-parts","content-parts-5"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Vibroakustik-Software Simulation Schallabsorption Schalld\u00e4mmung<\/title>\n<meta name=\"description\" content=\"Vibroakustik-Software, Simulation, Berechnung 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