{"id":35965,"date":"2019-06-15T10:46:03","date_gmt":"2019-06-15T10:46:03","guid":{"rendered":"\/forum\/forums\/topic\/choose-iterative-solver-type-pcg-because-of-insufficient-ram-for-direct-solver-with-sparse-matrix\/"},"modified":"2019-06-15T10:46:03","modified_gmt":"2019-06-15T10:46:03","slug":"choose-iterative-solver-type-pcg-because-of-insufficient-ram-for-direct-solver-with-sparse-matrix","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/choose-iterative-solver-type-pcg-because-of-insufficient-ram-for-direct-solver-with-sparse-matrix\/","title":{"rendered":"Choose iterative Solver type PCG because of insufficient RAM for direct solver with Sparse matrix"},"content":{"rendered":"<p>Hi all,<\/p>\n<p><\/p>\n<p>the solver for my project (1Mio DOFs) is using the direct Sparse Matrix solver. But I have limited RAM and he is always going into out-core memory mode regarding to the solution output.<\/p>\n<p><\/p>\n<p>Therefore I changed the Solver type to iterative and put the EQSLV, PCG command under the Static Structural branch.<\/p>\n<p><\/p>\n<p>But the Programm is still choosing the direct solver running into the same problem.<\/p>\n<p><\/p>\n<p>BCSOPT,,INCORE does not change anything either&#8230;<\/p>\n<p><\/p>\n<p>Why is my change being ignored?<\/p>\n<p><\/p>\n<p>Would very much appreciate your help!<\/p>\n<p><\/p>\n<p><span class=\"Apple-style-span\" style=\"border-collapse: separate; color: #000000; font-family: Tahoma, Arial, Helvetica, sans-serif; font-size: 16px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; background-color: #ffffff;\"><code style=\"margin-top: 0pt; margin-bottom: 0pt;\"><\/code><code style=\"margin-top: 0pt; margin-bottom: 0pt;\"><\/code><code style=\"margin-top: 0pt; margin-bottom: 0pt;\"><\/code><code style=\"margin-top: 0pt; margin-bottom: 0pt;\"><\/code><code style=\"margin-top: 0pt; margin-bottom: 0pt;\"><\/code><span class=\"Apple-converted-space\"><br \/><\/span><\/span><\/p>\n","protected":false},"template":"","class_list":["post-35965","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["8137"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["3711"],"_bbp_subscription":["239157"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["35965"],"_bbp_forum_id":["27791"],"_bbp_engagement":["240","163090"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["87125"],"_bbp_last_active_id":["87125"],"_bbp_last_active_time":["2019-06-15 12:55:04"]},"test":"johnson"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/35965","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\/35965\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=35965"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}