{"id":274,"date":"2021-01-03T15:12:11","date_gmt":"2021-01-03T06:12:11","guid":{"rendered":"http:\/\/sasakitakanori.com\/en\/?p=274"},"modified":"2021-01-03T16:48:35","modified_gmt":"2021-01-03T07:48:35","slug":"sasaki-hosono-apj-2018","status":"publish","type":"post","link":"http:\/\/sasakitakanori.com\/en\/archives\/274","title":{"rendered":"Sasaki &#038; Hosono, ApJ (2018)"},"content":{"rendered":"\n<p><span style=\"text-decoration: underline;\">Takanori Sasaki<\/span>&nbsp;&amp; Natsuki Hosono, Particle Number Dependence of The N-Body Simulations of Moon Formation,&nbsp;<em>The&nbsp;Astrophysical Journal<\/em>,&nbsp;<strong>856<\/strong>, 175(14pp) (2018)<\/p>\n\n\n\n<p><strong>Abstract<\/strong><\/p>\n\n\n\n<p>The formation of the Moon from the circumterrestrial disk has been investigated by using&nbsp;N-body simulations with the number&nbsp;N&nbsp;of particles limited from 10^4&nbsp;to 10^5. We develop an&nbsp;N-body simulation code on multiple Pezy-SC processors and deploy Framework for Developing Particle Simulators to deal with large number of particles. We execute several high- and extra-high-resolution&nbsp;N-body simulations of lunar accretion from a circumterrestrial disk of debris generated by a giant impact on Earth. The number of particles is up to 10^7, in which 1 particle corresponds to a 10 km sized satellitesimal. We&nbsp;find that the spiral structures inside the Roche limit radius differ between low-resolution simulations&nbsp;(N&lt;10^5)&nbsp;and high-resolution simulations&nbsp;(N&gt;10^6). According to this difference, angular momentum&nbsp;fluxes, which determine the accretion timescale of the Moon also depend on the numerical resolution.<\/p>\n\n\n\n<p><strong><a href=\"http:\/\/sasakitakanori.com\/wp-content\/uploads\/2018\/04\/apj_2018_moon.pdf\">Read the full article<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<div class=\"mh-excerpt\"><p>Takanori Sasaki&nbsp;&amp; Natsuki  <a class=\"mh-excerpt-more\" href=\"http:\/\/sasakitakanori.com\/en\/archives\/274\" title=\"Sasaki &#038; Hosono, ApJ (2018)\">[&#8230;]<\/a><\/p>\n<\/div>","protected":false},"author":2,"featured_media":306,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":{"0":"post-274","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-recent_publications"},"_links":{"self":[{"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/posts\/274","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/comments?post=274"}],"version-history":[{"count":2,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/posts\/274\/revisions"}],"predecessor-version":[{"id":307,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/posts\/274\/revisions\/307"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/media\/306"}],"wp:attachment":[{"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/media?parent=274"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/categories?post=274"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/sasakitakanori.com\/en\/wp-json\/wp\/v2\/tags?post=274"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}