{"id":4326,"date":"2026-10-20T17:34:54","date_gmt":"2026-10-20T09:34:54","guid":{"rendered":"https:\/\/www.carbon-fiber-corp.com\/sandwich-panel-concentrated-load-details\/"},"modified":"2026-10-20T17:34:54","modified_gmt":"2026-10-20T09:34:54","slug":"sandwich-panel-concentrated-load-details","status":"publish","type":"post","link":"https:\/\/www.carbon-fiber-corp.com\/it\/sandwich-panel-concentrated-load-details\/","title":{"rendered":"Concentrated Loads on Sandwich Panels Need Local Details"},"content":{"rendered":"<style>.ly-note{max-width:880px;margin:0 auto;color:#26333c;line-height:1.85;font-size:17px}.ly-note h2{font-size:1.5rem;line-height:1.35;margin:1.8em 0 .6em}.ly-note p{margin:0 0 1.2em}.ly-note .intro{font-size:1.08em}.ly-note figure{margin:2em 0}.ly-note figure img{display:block;width:100%;height:auto}.ly-note figcaption{font-size:.88rem;color:#60727d;line-height:1.55;margin-top:10px}.ly-note ul{padding-left:1.4em}.ly-note li{margin:.45em 0}.ly-note a{color:#8e1e34;text-decoration:underline;text-underline-offset:3px}.ly-note .notes{padding:20px 28px;background:#f0f4f5;border-left:3px solid #296c85;margin:2em 0}.ly-note .notes h2{font-size:1.1rem;margin:0 0 .8em}.ly-note .reading{border-top:1px solid #d9e1e5;margin-top:2em;padding-top:1.1em}.single-post .entry-title{font-size:clamp(1.8rem,3.8vw,2.6rem);line-height:1.25}.single-post .post-thumb-img-content img{width:100%;height:auto;max-height:360px;object-fit:contain;background:#fbfcfc}@media(max-width:600px){.ly-note{font-size:16px}.ly-note h2{font-size:1.3rem}.ly-note .notes{padding:17px}}<\/style><div class=\"ly-note\"><p class=\"intro\">A sandwich panel that spans an area still needs a local design for a foot, bracket or fastening point. Describe where the force enters the panel and how the local construction carries it. A general skin-and-core specification does not settle every attachment.<\/p><p>Show the actual contact area, its position and the direction of the applied force. A broad support pad and a small fitting can load the same panel differently. Include the arrangement on both faces where it affects the load path, rather than showing only a bolt centre.<\/p><h2>Identify the local construction<\/h2><p>An insert, closeout or reinforced region needs its own controlled definition. These are possible design features to assess, not interchangeable fixes or universal requirements. The supplier needs enough information to distinguish the ordinary sandwich section from the local attachment region.<\/p><h2>Plan the evidence around the joint<\/h2><p>A panel bending test may not answer whether a particular attachment is suitable. Agree which local dimensions, assembly conditions and evaluations are required. If a prototype is being reviewed, retain the fitting and installation configuration with the result. This keeps an accepted broad-panel behaviour from being used as unsupported evidence for a different concentrated load.<\/p><figure><a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261017-06-point-load-2.webp\" aria-label=\"Open the full-size diagram\"><img src=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261017-06-point-load-2.webp\" alt=\"A defined local construction is needed where the agreed design calls for it; no insert size is specified.\" width=\"1600\" height=\"1000\" loading=\"lazy\" decoding=\"async\"><\/a><figcaption>A defined local construction is needed where the agreed design calls for it; no insert size is specified. <a href=\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261017-06-point-load-2.webp\">View full size<\/a>.<\/figcaption><\/figure><aside class=\"notes\"><h2>Keep these details together<\/h2><ul><li>Contact footprint and force direction<\/li><li>Local reinforcement or insert definition<\/li><li>Opposite-face arrangement<\/li><li>Evidence for the attachment configuration<\/li><\/ul><\/aside><p>Further reading: <a href=\"https:\/\/www.hexcel.com\/wp-content\/uploads\/2026\/01\/Honeycomb_Sandwich_Design_Technology-1.pdf\">Hexcel: honeycomb sandwich design guidance<\/a>.<\/p><div class=\"reading\"><p>Related: <a href=\"https:\/\/www.carbon-fiber-corp.com\/sandwich-panel-cutouts-specify-the-core-closeout-before-machining\/\">Sandwich Panel Cutouts: Specify the Core Closeout Before Machining<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/sandwich-core-density-panel-stiffness\/\">Sandwich Core Density Alone Does Not Define Panel Stiffness<\/a>.<\/p><p><a href=\"https:\/\/www.carbon-fiber-corp.com\/contact\/\">Discuss your component with Litian Yunde<\/a> \u00b7 <a href=\"https:\/\/www.carbon-fiber-corp.com\/carbon-fiber-guides\/\">Browse the component guides<\/a><\/p><\/div><\/div><script type=\"application\/ld+json\" class=\"ly-article-schema\">{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BlogPosting\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/sandwich-panel-concentrated-load-details\/#article\", \"headline\": \"Concentrated Loads on Sandwich Panels Need Local Details\", \"description\": \"Define concentrated loads on sandwich panels by contact footprint and local construction. Separate panel bending evidence from attachment assessment.\", \"image\": [\"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261017-06-point-load-1.webp\", \"https:\/\/www.carbon-fiber-corp.com\/wp-content\/uploads\/2026\/10\/ly-geo-20261017-06-point-load-2.webp\"], \"datePublished\": \"2026-10-20T09:34:54Z\", \"mainEntityOfPage\": {\"@type\": \"WebPage\", \"@id\": \"https:\/\/www.carbon-fiber-corp.com\/sandwich-panel-concentrated-load-details\/\"}, \"author\": {\"@type\": \"Organization\", \"name\": \"Litian Yunde\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/about\/\"}, \"publisher\": {\"@type\": \"Organization\", \"name\": \"Dongguan Litian Yunde New Materials Technology Co., Ltd.\", \"url\": \"https:\/\/www.carbon-fiber-corp.com\/\"}, \"inLanguage\": \"en\", \"articleSection\": \"Plates & Panels\"}<\/script>","protected":false},"excerpt":{"rendered":"<p>A sandwich panel that spans an area still needs a local design for a foot, bracket or fastening point. Describe where the force enters the panel and how the local construction carries it. A general skin-and-core specification does not settle every attachment.<\/p>","protected":false},"author":1,"featured_media":4290,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_titles_title":"Concentrated Loads on Sandwich Panels | Litian Yunde","_seopress_titles_desc":"Define concentrated loads on sandwich panels by contact footprint and local construction. 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