{"id":5071,"date":"2022-05-23T10:34:20","date_gmt":"2022-05-23T08:34:20","guid":{"rendered":"https:\/\/www.dm.unipi.it\/eventi\/long-time-behavior-of-solutions-to-open-fluid-systems-eduard-feireisl-institute-of-mathematics-czech-academy-of-sciences\/"},"modified":"2022-05-23T13:01:42","modified_gmt":"2022-05-23T11:01:42","slug":"long-time-behavior-of-solutions-to-open-fluid-systems-eduard-feireisl-institute-of-mathematics-czech-academy-of-sciences","status":"publish","type":"unipievents","link":"https:\/\/www.dm.unipi.it\/en\/eventi\/long-time-behavior-of-solutions-to-open-fluid-systems-eduard-feireisl-institute-of-mathematics-czech-academy-of-sciences\/","title":{"rendered":"Long time behavior of solutions to open fluid systems &#8211; Eduard  Feireisl (Institute of Mathematics, Czech Academy of Sciences)"},"content":{"rendered":"<h4>Venue<\/h4>\n<p>Sala Seminari .<\/p>\n<h4 class='mt-4'>Abstract<\/h4>\n<p><span style=\"color:#212121\">We consider the physically relevant fully compressible setting of the<\/span><br \/>\n<span style=\"color:#212121\">Rayleigh-Benard problem of<\/span><br \/>\n<span style=\"color:#212121\">a fluid confined between two parallel plates, heated from the bottom,<\/span><br \/>\n<span style=\"color:#212121\">and subjected to the gravitational force.<\/span><br \/>\n<span style=\"color:#212121\">Under suitable restrictions imposed on the constitutive relations we<\/span><br \/>\n<span style=\"color:#212121\">show that this open system is dissipative in the sense of Levinson,<\/span><br \/>\n<span style=\"color:#212121\">meaning there exists a bounded absorbing set for any global-in-time weak<\/span><br \/>\n<span style=\"color:#212121\">solution. In addition, global-in-time trajectories are asymptotically<\/span><br \/>\n<span style=\"color:#212121\">compact in suitable topologies and the system possesses a global compact<\/span><br \/>\n<span style=\"color:#212121\">trajectory attractor. The standard technique of Krylov and Bogolyubov<\/span><br \/>\n<span style=\"color:#212121\">then yields the existence of an invariant measure &#8211; a stationary<\/span><br \/>\n<span style=\"color:#212121\">statistical solution sitting on the global attractor. In addition, the<\/span><br \/>\n<span style=\"color:#212121\">Birkhoff&#8211;Khinchin ergodic theorem provides convergence of ergodic<\/span><br \/>\n<span style=\"color:#212121\">averages of solutions belonging to the attractor a.s. with respect to<\/span><br \/>\n<span style=\"color:#212121\">the invariant measure.<\/span><\/p>\n<p class='mt-4'>Further information is available on the <a href=\"https:\/\/events.dm.unipi.it\/event\/93\/\">event page<\/a> on the Indico platform.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>We consider the physically relevant fully compressible setting of the Rayleigh-Benard problem of a fluid confined between two parallel plates, heated from the bottom, and subjected to the gravitational force. Under suitable restrictions imposed on&hellip;<\/p>\n<p><a class=\"btn btn-dark btn-sm unipi-read-more-link\" href=\"https:\/\/www.dm.unipi.it\/en\/eventi\/long-time-behavior-of-solutions-to-open-fluid-systems-eduard-feireisl-institute-of-mathematics-czech-academy-of-sciences\/\">Read More&#8230;<\/a><\/p>\n","protected":false},"author":6,"featured_media":0,"template":"","tags":[],"unipievents_taxonomy":[],"class_list":["post-5071","unipievents","type-unipievents","status-publish","hentry"],"acf":[],"unipievents_startdate":1653498000,"unipievents_enddate":1653503400,"unipievents_place":"Sala Seminari .","unipievents_externalid":93,"jetpack_sharing_enabled":true,"publishpress_future_workflow_manual_trigger":{"enabledWorkflows":[]},"_links":{"self":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/5071","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents"}],"about":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/types\/unipievents"}],"author":[{"embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/users\/6"}],"version-history":[{"count":2,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/5071\/revisions"}],"predecessor-version":[{"id":5079,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents\/5071\/revisions\/5079"}],"wp:attachment":[{"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/media?parent=5071"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/tags?post=5071"},{"taxonomy":"unipievents_taxonomy","embeddable":true,"href":"https:\/\/www.dm.unipi.it\/en\/wp-json\/wp\/v2\/unipievents_taxonomy?post=5071"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}