{"id":1796,"date":"2022-02-02T16:55:07","date_gmt":"2022-02-02T15:55:07","guid":{"rendered":"https:\/\/iop.fnwi.uva.nl\/scm\/?p=1796"},"modified":"2026-10-12T21:53:23","modified_gmt":"2026-10-12T20:53:23","slug":"dissipative-metamaterials","status":"publish","type":"post","link":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/2022\/02\/02\/dissipative-metamaterials\/","title":{"rendered":"Dissipative Metamaterials"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1796\" class=\"elementor elementor-1796\" data-elementor-settings=\"[]\">\n\t\t\t\t\t\t\t<div class=\"elementor-section-wrap\">\n\t\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3be14bee elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3be14bee\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-17ac4c0e\" data-id=\"17ac4c0e\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-25742588 elementor-widget elementor-widget-text-editor\" data-id=\"25742588\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.5.5 - 03-02-2022 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#818a91;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#818a91;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t\n<div style=\"font-size:18px; line-height:1.75; color:#43545A; font-weight:400;\">\n\n  <!-- INTRO -->\n  <p style=\"margin:0 0 18px;\">\n    What if materials could do more than simply bend and spring back?\n    <span style=\"color:#10708A; font-weight:600;\">Dissipative metamaterials<\/span>\n    combine carefully engineered geometries with mechanisms that absorb and dissipate energy, opening new possibilities for mechanical functionality.\n  <\/p>\n\n  <p style=\"margin:0 0 26px;\">\n    While traditional mechanical metamaterials are largely designed around elasticity, we explore the role of\n    <strong>viscoelastic damping, plastic deformation and superelasticity<\/strong>.\n    Through fabrication, mechanical experiments and numerical simulations, we investigate how these mechanisms can be harnessed to design materials with unusual and useful responses.\n  <\/p>\n\n  <!-- FEATURED SCIENTIFIC IDEA -->\n  <div style=\"background:#F1F7F8; border-radius:10px; padding:25px 27px; margin:28px 0 34px; border:1px solid #E1E8EA;\">\n\n    <div style=\"font-size:12px; color:#10708A; font-weight:700; letter-spacing:1.3px; margin-bottom:10px;\">\n      RETHINKING MATERIAL DESIGN\n    <\/div>\n\n    <div style=\"font-size:22px; line-height:1.45; font-weight:600; color:#263F47; margin-bottom:12px;\">\n      Turning energy dissipation into a design feature.\n    <\/div>\n\n    <p style=\"margin:0; font-size:16px; line-height:1.7;\">\n      Rather than treating energy loss and permanent deformation as unwanted effects, we investigate how they can enable new functionalities, from vibration damping to controlled deformation and impact absorption.\n    <\/p>\n\n  <\/div>\n\n  <!-- EXPERIMENTAL DEMONSTRATION -->\n  <h3 style=\"font-size:22px; color:#10708A; font-weight:600; margin:32px 0 12px;\">\n    See the mechanics in action\n  <\/h3>\n\n  <p style=\"margin:0 0 18px;\">\n    Our experimental specimens are produced using techniques such as additive manufacturing and casting, then tested to understand their mechanical response.\n    The demonstrations below offer a closer look at how these structures deform.\n  <\/p>\n\n  <!-- ORIGINAL COMPRESSION VIDEO -->\n  <div style=\"max-width:650px; margin:0 auto 32px;\">\n\n    <div style=\"background:#F3F7F8; padding:12px; border-radius:10px; border:1px solid #E1E8EA;\">\n      <video controls playsinline preload=\"metadata\"\n        style=\"display:block; width:100%; height:auto; max-height:390px; border-radius:6px; background:#EDF2F4;\">\n        <source src=\"https:\/\/iop.fnwi.uva.nl\/scm\/wp-content\/uploads\/2022\/02\/ViscoelasticCompressionMedium.mp4\" type=\"video\/mp4\">\n        Your browser does not support HTML5 video.\n      <\/video>\n    <\/div>\n\n    <div style=\"font-size:13px; color:#6B7C85; text-align:center; margin-top:9px;\">\n      Experimental demonstration of viscoelastic metamaterial compression\n    <\/div>\n\n  <\/div>\n\n  <!-- FEATURED PUBLICATION -->\n  <h3 style=\"font-size:22px; color:#10708A; font-weight:600; margin:34px 0 13px;\">\n    From fundamental physics to impact protection\n  <\/h3>\n\n  <p style=\"margin:0 0 17px;\">\n    In recent work, we showed how combining plastic deformation with controlled buckling can produce metamaterials that deform sequentially while maintaining their load-bearing capacity.\n    This approach enables efficient, reusable shock-absorbing structures.\n  <\/p>\n\n  <a href=\"https:\/\/www.nature.com\/articles\/s41586-024-08037-0\"\n     target=\"_blank\" rel=\"noopener noreferrer\"\n     style=\"display:block; text-decoration:none; background:#F3F7F8; border:1px solid #E1E8EA; border-left:4px solid #10708A; border-radius:9px; padding:22px 24px; margin-bottom:34px;\">\n\n    <span style=\"display:block; font-size:12px; font-weight:700; color:#10708A; letter-spacing:1px; margin-bottom:9px;\">\n      FEATURED PUBLICATION \u00b7 NATURE 2024\n    <\/span>\n\n    <span style=\"display:block; font-size:19px; font-weight:600; color:#263F47; line-height:1.45; margin-bottom:9px;\">\n      Harnessing plasticity in sequential metamaterials for ideal shock absorption\n    <\/span>\n\n    <span style=\"display:block; font-size:14px; line-height:1.6; color:#6B7C85;\">\n      Wenfeng Liu, Shahram Janbaz, David Dykstra, Bernard Ennis &amp; Corentin Coulais\n    <\/span>\n\n    <span style=\"display:block; font-size:13px; color:#10708A; font-weight:600; margin-top:14px;\">\n      Explore the publication &#8599;\n    <\/span>\n\n  <\/a>\n\n  <!-- ADDITIONAL VIDEOS -->\n  <h3 style=\"font-size:22px; color:#10708A; font-weight:600; margin:32px 0 12px;\">\n    More research demonstrations\n  <\/h3>\n\n  <p style=\"margin:0 0 18px;\">\n    Explore additional examples of mechanical metamaterials and their dynamic behaviour.\n  <\/p>\n\n  <div style=\"display:flex; flex-wrap:wrap; gap:18px; margin-bottom:35px;\">\n\n    <div style=\"flex:1 1 260px; min-width:0;\">\n      <div style=\"position:relative; padding-bottom:56.25%; height:0; overflow:hidden; border-radius:9px; background:#EDF2F4;\">\n        <iframe\n          src=\"https:\/\/www.youtube-nocookie.com\/embed\/hvQaa7NR29A\"\n          title=\"Metamaterials research demonstration 1\"\n          loading=\"lazy\"\n          allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n          allowfullscreen\n          style=\"position:absolute; top:0; left:0; width:100%; height:100%; border:0;\">\n        <\/iframe>\n      <\/div>\n      <div style=\"font-size:13px; color:#6B7C85; margin-top:9px;\">\n        Research demonstration 01\n      <\/div>\n    <\/div>\n\n    <div style=\"flex:1 1 260px; min-width:0;\">\n      <div style=\"position:relative; padding-bottom:56.25%; height:0; overflow:hidden; border-radius:9px; background:#EDF2F4;\">\n        <iframe\n          src=\"https:\/\/www.youtube-nocookie.com\/embed\/1VVETrTlY8w\"\n          title=\"Metamaterials research demonstration 2\"\n          loading=\"lazy\"\n          allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\"\n          allowfullscreen\n          style=\"position:absolute; top:0; left:0; width:100%; height:100%; border:0;\">\n        <\/iframe>\n      <\/div>\n      <div style=\"font-size:13px; color:#6B7C85; margin-top:9px;\">\n        Research demonstration 02\n      <\/div>\n    <\/div>\n\n  <\/div>\n\n  <!-- RESEARCH TEAM -->\n  <div style=\"border-top:1px solid #E1E8EA; padding-top:22px;\">\n\n    <div style=\"font-size:12px; color:#10708A; font-weight:700; letter-spacing:1.2px; margin-bottom:14px;\">\n      PEOPLE BEHIND THE RESEARCH\n    <\/div>\n\n    <p style=\"font-size:15px; line-height:1.7; margin:0 0 8px;\">\n      <strong style=\"color:#263F47;\">Supervisor:<\/strong>\n      Corentin Coulais\n    <\/p>\n\n    <p style=\"font-size:15px; line-height:1.7; margin:0 0 12px;\">\n      <strong style=\"color:#263F47;\">Research team:<\/strong>\n      Shahram Janbaz, Wenfeng Liu, David Dykstra\n    <\/p>\n\n    <p style=\"font-size:14px; margin:0;\">\n      Interested in this research?\n      <a href=\"mailto:C.J.M.Coulais@uva.nl\"\n         style=\"color:#10708A; font-weight:600; text-decoration:none;\">\n        Contact Corentin Coulais &#8599;\n      <\/a>\n    <\/p>\n\n  <\/div>\n\n<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>What if materials could do more than simply bend and spring back? Dissipative metamaterials combine carefully engineered geometries with mechanisms that absorb and dissipate energy, opening new possibilities for mechanical functionality. While traditional mechanical metamaterials are largely designed around elasticity, we explore the role of viscoelastic damping, plastic deformation and superelasticity. Through fabrication, mechanical experiments [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1798,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[18],"tags":[],"_links":{"self":[{"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/posts\/1796"}],"collection":[{"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/comments?post=1796"}],"version-history":[{"count":5,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/posts\/1796\/revisions"}],"predecessor-version":[{"id":4019,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/posts\/1796\/revisions\/4019"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/media\/1798"}],"wp:attachment":[{"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/media?parent=1796"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/categories?post=1796"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/iop.fnwi.uva.nl\/scm\/index.php\/wp-json\/wp\/v2\/tags?post=1796"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}