{"id":527,"date":"2021-05-26T11:04:30","date_gmt":"2021-05-26T15:04:30","guid":{"rendered":"https:\/\/carleton.ca\/nanomechanics\/?p=527"},"modified":"2026-03-04T09:53:50","modified_gmt":"2026-03-04T14:53:50","slug":"our-article-on-the-md-simulations-of-spallation-in-polymers-appears-in-the-journal-of-applied-mechanics","status":"publish","type":"post","link":"https:\/\/carleton.ca\/nanomechanics\/2021\/our-article-on-the-md-simulations-of-spallation-in-polymers-appears-in-the-journal-of-applied-mechanics\/","title":{"rendered":"Our article on the MD simulations of spallation in polymers appears in the Journal of Applied Mechanics"},"content":{"rendered":"\n<section class=\"w-screen px-6 cu-section cu-section--white ml-offset-center md:px-8 lg:px-14\">\n    <div class=\"space-y-6 cu-max-w-child-5xl  md:space-y-10 cu-prose-first-last\">\n\n            <div class=\"cu-textmedia flex flex-col lg:flex-row mx-auto gap-6 md:gap-10 my-6 md:my-12 first:mt-0 max-w-5xl\">\n        <div class=\"justify-start cu-textmedia-content cu-prose-first-last\" style=\"flex: 0 0 100%;\">\n            <header class=\"font-light prose-xl cu-pageheader md:prose-2xl cu-component-updated cu-prose-first-last\">\n                                    <h1 class=\"cu-prose-first-last font-semibold !mt-2 mb-4 md:mb-6 relative after:absolute after:h-px after:bottom-0 after:bg-cu-red after:left-px text-3xl md:text-4xl lg:text-5xl lg:leading-[3.5rem] pb-5 after:w-10 text-cu-black-700 not-prose\">\n                        Our article on the MD simulations of spallation in polymers appears in the Journal of Applied Mechanics\n                    <\/h1>\n                \n                                \n                            <\/header>\n\n                    <\/div>\n\n            <\/div>\n\n    <\/div>\n<\/section>\n\n<p><a href=\"https:\/\/doi.org\/10.1115\/1.4051238\" target=\"_blank\" rel=\"noopener noreferrer\">In this article<\/a><span style=\"font-style: inherit; font-weight: inherit;\">, we computed the spall strength of polyurethane samples by following two methods:<\/span><\/p>\n\n\n\n<p><span style=\"font-style: inherit; font-weight: inherit;\">(1) The indirect method (from the free surface velocity history, which is commonly used in experiments)<\/span><\/p>\n\n\n\n<p><span style=\"font-style: inherit; font-weight: inherit;\">(2) A direct method (from the atomic stresses in the spall region, which is possible only in MD)<\/span><\/p>\n\n\n\n<p><span style=\"font-style: inherit; font-weight: inherit;\">The results reveal that the tensile strength computed from the indirect method is consistently smaller than the value obtained from the direct method. Moreover, the strength computed from the indirect method shows&nbsp;an excellent&nbsp;agreement with the fracture nucleation stress. &nbsp;<\/span><\/p>\n\n\n\n<p><span style=\"font-style: inherit; font-weight: inherit;\">The MD model we used in this paper is <a href=\"https:\/\/github.com\/nuwan-d\/MD_model_JAM-21-1174\" target=\"_blank\" rel=\"noopener noreferrer\">available here<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>In this article, we computed the spall strength of polyurethane samples by following two methods: (1) The indirect method (from the free surface velocity history, which is commonly used in experiments) (2) A direct method (from the atomic stresses in the spall region, which is possible only in MD) The results reveal that the tensile [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"categories":[1],"tags":[],"class_list":["post-527","post","type-post","status-publish","format-standard","hentry","category-news"],"acf":{"cu_post_thumbnail":""},"_links":{"self":[{"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/posts\/527","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/comments?post=527"}],"version-history":[{"count":1,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/posts\/527\/revisions"}],"predecessor-version":[{"id":528,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/posts\/527\/revisions\/528"}],"wp:attachment":[{"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/media?parent=527"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/categories?post=527"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/carleton.ca\/nanomechanics\/wp-json\/wp\/v2\/tags?post=527"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}