{"id":1378,"date":"2026-10-02T18:59:51","date_gmt":"2026-10-02T16:59:51","guid":{"rendered":"https:\/\/ictra.com\/?page_id=1378"},"modified":"2026-10-06T10:28:48","modified_gmt":"2026-10-06T08:28:48","slug":"silencer-engineering","status":"publish","type":"page","link":"https:\/\/ictra.com\/de\/silencer-engineering\/","title":{"rendered":"Silencer \u2014 Development and testing"},"content":{"rendered":"<p><main id=\"main\"><\/p>\n<div class=\"wrap\">\n<section class=\"hero\" aria-labelledby=\"page-title\">\n<div class=\"hero-copy\">\n<p class=\"eyebrow\">Silencer \/ Development &amp; testing<\/p>\n<h1 id=\"page-title\">Understanding<br \/>the movement.<\/h1>\n<p>The Silencer brings springs, damping and the supported load into one mechanical system. Its development examines how these elements work together, using a dedicated test rig and computer simulation.<\/p>\n<p><a class=\"text-link\" href=\"#principle\">Explore the thinking <span aria-hidden=\"true\">\u2193<\/span><\/a><\/div>\n<figure class=\"media\"><img decoding=\"async\" src=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-construction.webp\" width=\"1600\" height=\"1088\" fetchpriority=\"high\" alt=\"Exploded Silencer illustration showing the top plate and underlying structure\"><figcaption>Silencer \/ A view inside the construction<\/figcaption><\/figure>\n<\/section>\n<nav class=\"page-nav\" aria-label=\"On this page\"><a href=\"#principle\"><span>01<\/span> The principle<\/a><a href=\"#load\"><span>02<\/span> Supported load<\/a><a href=\"#testing\"><span>03<\/span> Test &amp; signals<\/a><a href=\"#simulation\"><span>04<\/span> Simulation<\/a><\/nav>\n<section class=\"chapter\" id=\"principle\" aria-labelledby=\"principle-title\">\n<div class=\"split\">\n<div class=\"chapter-title\">\n<p class=\"eyebrow\">01 \/ The principle<\/p>\n<h2 id=\"principle-title\">Support.<br \/>Movement. Control.<\/h2>\n<\/div>\n<p class=\"copy construction-copy\">The spring carries the load and allows movement; damping controls the resulting oscillation. I\u00b7ctra\u2019s development diagrams show why the loading of the spring and damper matters to their operation.<\/p>\n<\/div>\n<div class=\"principles\">\n<article>\n<h3>The spring.<\/h3>\n<p>Carries the supported load while allowing mechanical movement.<\/p>\n<\/article>\n<article>\n<h3>The damping.<\/h3>\n<p>Controls oscillation within the spring-and-load system.<\/p>\n<\/article>\n<article>\n<h3>The component.<\/h3>\n<p>Its mass forms part of the system being considered.<\/p>\n<\/article>\n<\/div>\n<\/section>\n<section class=\"chapter split method\" id=\"load\" aria-labelledby=\"load-title\">\n<figure class=\"media\"><img decoding=\"async\" src=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-shaker-platform.webp\" width=\"1600\" height=\"1242\" loading=\"lazy\" alt=\"Silencer platform mounted above spring-equipped units in a development test arrangement\"><figcaption>Silencer \/ Platform and development test arrangement<\/figcaption><\/figure>\n<div class=\"copy\">\n<p class=\"eyebrow\">02 \/ The supported load<\/p>\n<h2 id=\"load-title\">The component is<br \/>part of the system.<\/h2>\n<p>The load establishes the spring and damper\u2019s operating point. It is therefore part of the engineering calculation, rather than simply an item placed on top. The development work considers the platform and its supported component together.<\/p>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"soft-section\">\n<section class=\"chapter wrap\" id=\"testing\" aria-labelledby=\"testing-title\">\n<div class=\"split\">\n<div class=\"copy\">\n<p class=\"eyebrow\">03 \/ The test method<\/p>\n<h2 id=\"testing-title\">Apply a signal.<br \/>Observe the response.<\/h2>\n<p>A signal generator and amplifier drive a dedicated vibration test rig. Accelerometers record the response, including movement at the top plate. Repeatable input signals allow structural designs to be compared within the test setup.<\/p>\n<\/div>\n<figure class=\"media\"><img decoding=\"async\" src=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-test-setup.webp\" width=\"1600\" height=\"907\" loading=\"lazy\" alt=\"Shaker unit beneath a Silencer platform during development testing\"><figcaption>Silencer II \/ Physical development test setup<\/figcaption><\/figure>\n<\/div>\n<div class=\"split recorded-response\" id=\"recorded-signals\">\n<div class=\"copy\">\n<p class=\"eyebrow\">Silencer II \/ Recorded response<\/p>\n<h3>A closer look<br \/>at the signals.<\/h3>\n<p>These recorded signals come from the Silencer II development test. The red trace shows the test-rig reference signal; the green trace shows the response recorded at the top plate.<\/p>\n<p>The four examples show recordings at different test frequencies.<\/p>\n<div class=\"signal-legend\">\n<p><span class=\"trace-reference\" aria-hidden=\"true\"><\/span>Red \/ Reference signal<\/p>\n<p><span class=\"trace-response\" aria-hidden=\"true\"><\/span>Green \/ Top-plate response<\/p>\n<\/div>\n<p class=\"frequency-title\">Test frequencies \u00b7 top to bottom<\/p>\n<ol class=\"signal-frequencies\">\n<li>90,82 Hz<\/li>\n<li>64,22 Hz<\/li>\n<li>33,11 Hz<\/li>\n<li>16,05 Hz<\/li>\n<\/ol>\n<p class=\"method-note\">The vertical scales differ between recordings. Original scales are retained; these development recordings do not establish a general attenuation percentage.<\/p>\n<\/div>\n<figure class=\"media signal-figure\"><a href=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-recorded-signals.png\" target=\"_blank\" rel=\"noopener\" aria-label=\"Open the original Silencer II recorded signals at full size\"><img decoding=\"async\" src=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-recorded-signals.png\" width=\"956\" height=\"1094\" loading=\"lazy\" alt=\"Four original red and green signal recordings from the Silencer II test, at 90.82, 64.22, 33.11 and 16.05 Hz from top to bottom. Each panel retains its own vertical scale.\"><\/a><figcaption>Silencer II \/ Recorded test signals<br \/><a href=\"https:\/\/ictra.com\/wp-content\/plugins\/ictra-engineering-pages\/assets\/silencer-recorded-signals.png\" target=\"_blank\" rel=\"noopener\">View the original recording<\/a><\/figcaption><\/figure>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"wrap\">\n<section class=\"chapter\" id=\"simulation\" aria-labelledby=\"simulation-title\">\n<div class=\"split\">\n<div class=\"chapter-title\">\n<p class=\"eyebrow\">04 \/ Measurement &amp; simulation<\/p>\n<h2 id=\"simulation-title\">Connecting the physical<br \/>and the digital.<\/h2>\n<\/div>\n<p class=\"copy\">Measured results inform the computer simulations used during development. This gives I\u00b7ctra a way to examine the relationship between the physical assembly and its calculated response, and to investigate the effect of design choices.<\/p>\n<\/div>\n<div class=\"process\">\n<article>\n<p class=\"eyebrow\">Apply<\/p>\n<h3>A repeatable input.<\/h3>\n<p>A controlled signal excites the test assembly.<\/p>\n<\/article>\n<article>\n<p class=\"eyebrow\">Observe<\/p>\n<h3>A measured response.<\/h3>\n<p>Sensors record movement within the test setup.<\/p>\n<\/article>\n<article>\n<p class=\"eyebrow\">Investigate<\/p>\n<h3>A closer comparison.<\/h3>\n<p>The measurements inform the computer model and further development.<\/p>\n<\/article>\n<\/div>\n<\/section>\n<\/div>\n<div class=\"related-section\">\n<section class=\"related wrap\" aria-labelledby=\"related-title\">\n<div>\n<p class=\"eyebrow\">Continue exploring<\/p>\n<h2 id=\"related-title\">Bring the thinking<br \/>into your system.<\/h2>\n<p>Explore the I\u00b7ctra collection.<\/p>\n<\/div>\n<div class=\"actions\"><a class=\"button\" href=\"https:\/\/ictra.com\/de\/#collection\">Explore the collection<\/a><\/div>\n<\/section>\n<\/div>\n<div class=\"wrap source-wrap\">\n<p class=\"source-note\">Development material from the I\u00b7ctra engineering presentation, April 2026. Images show the development examples described on this page.<\/p>\n<\/div>\n<p><\/main><\/p>","protected":false},"excerpt":{"rendered":"<p>Explore the Silencer\u2019s spring and damping principles, physical test setup, recorded signals and computer-aided development.<\/p>","protected":false},"author":2,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":""},"class_list":["post-1378","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/pages\/1378","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/comments?post=1378"}],"version-history":[{"count":7,"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/pages\/1378\/revisions"}],"predecessor-version":[{"id":1553,"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/pages\/1378\/revisions\/1553"}],"wp:attachment":[{"href":"https:\/\/ictra.com\/de\/wp-json\/wp\/v2\/media?parent=1378"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}