{"id":459753,"date":"2026-06-15T09:04:34","date_gmt":"2026-06-15T09:04:34","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluid-penetration-pressure-in-ansys-mechanical-2024r2\/"},"modified":"2026-06-15T09:04:34","modified_gmt":"2026-06-15T09:04:34","slug":"fluid-penetration-pressure-in-ansys-mechanical-2024r2","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/fluid-penetration-pressure-in-ansys-mechanical-2024r2\/","title":{"rendered":"fluid penetration pressure in ANSYS mechanical 2024R2"},"content":{"rendered":"<p>&lt;p&gt;ANSYS mechaincal has a new feature &#8220;FPP&#8221; &#8211;&lt;span class=&#8221;fui-StyledText ___1xnbqye ftuyjzj f19n0e5 figsok6 f1w7gpdv&#8221; dir=&#8221;auto&#8221; data-tid=&#8221;highlighted&#8221;&gt;fluid&lt;\/span&gt; penetration pressure, which can simulate location changing pressure based on contact gap instead of modeling pysical liquid.&nbsp; I want to use this feature to simulate vacuum pressure&#8217;s effect on structure (negative pressure), can&#8217;t be negative, however, it warns that only positive pressure can be input, can&#8217;t support negative pressure.&nbsp;&lt;\/p&gt;&lt;p&gt;how to solve my problem with vacuum pentration pressure using ANSYS mechanical ?&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-459753","topic","type-topic","status-publish","hentry","topic-tag-mechanical"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_forum_id":["291854"],"_bbp_topic_id":["459753"],"_bbp_subscription":["520291"],"_bbp_author_ip":["129.253.212.1"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["459753"],"_bbp_last_active_time":["2026-06-15 09:04:34"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["1"],"_bbp_engagement":["520291"],"_btv_view_count":["33"],"_bbp_topic_status":["unanswered"]},"test":"yangming-liusandisk-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/459753","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/459753\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=459753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}