{"id":366651,"date":"2024-05-13T19:01:28","date_gmt":"2024-05-13T19:01:28","guid":{"rendered":"\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/"},"modified":"2024-05-13T19:01:28","modified_gmt":"2024-05-13T19:01:28","slug":"how-to-reduce-residual-for-a-coal-combustion-case","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/","title":{"rendered":"How to reduce residual for a coal combustion case"},"content":{"rendered":"<p><span style=\"font-size: 12.0pt;font-family: 'Calibri',sans-serif;color: #2f5496\"><!-- [if gte vml 1]&gt;--><\/p>\n<p><!-- [if !vml]--><\/span><\/p>\n<p><span style=\"font-size: 12.0pt;font-family: 'Calibri',sans-serif;color: #2f5496\">I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;color: #2f5496\">I kept the momentum for 1<sup>st<\/sup> order for momentum for 6700 iterations. But the continuity residual didn&rsquo;t drop much. Once I changed momentum to 2<sup>nd<\/sup> order, the continuity residual jumped.<\/span><\/p>\n<p class=\"MsoNormal\"><span style=\"font-size: 12.0pt;color: #2f5496\">Is there any suggestion to reduce the continuity residual.<\/span><\/p>\n<p><span style=\"font-size: 12.0pt;font-family: 'Calibri',sans-serif;color: #2f5496\"><img loading=\"lazy\" decoding=\"async\" src=\"\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png\" width=\"624\" height=\"417\"><!--[endif]--><\/span><\/p>\n","protected":false},"template":"","class_list":["post-366651","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 4.9.10\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Ansys Learning Forum | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"How to reduce residual for a coal combustion case | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-05-13T19:01:28+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-05-13T19:01:28+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"How to reduce residual for a coal combustion case | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"position\":2,\"name\":\"Topics\",\"item\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/#listItem\",\"name\":\"How to reduce residual for a coal combustion case\"},\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/#listItem\",\"position\":3,\"name\":\"How to reduce residual for a coal combustion case\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/topics\\\/#listItem\",\"name\":\"Topics\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/\",\"name\":\"How to reduce residual for a coal combustion case | Ansys Learning Forum\",\"description\":\"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/topic\\\/how-to-reduce-residual-for-a-coal-combustion-case\\\/#breadcrumblist\"},\"datePublished\":\"2024-05-13T19:01:28+00:00\",\"dateModified\":\"2024-05-13T19:01:28+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/\",\"name\":\"Ansys Learning Forum\",\"description\":\"Ansys Innovation Space\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"How to reduce residual for a coal combustion case | Ansys Learning Forum","description":"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.","canonical_url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","position":1,"name":"Home","item":"https:\/\/innovationspace.ansys.com\/forum","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","position":2,"name":"Topics","item":"https:\/\/innovationspace.ansys.com\/forum\/topics\/","nextItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/#listItem","name":"How to reduce residual for a coal combustion case"},"previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum#listItem","name":"Home"}},{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/#listItem","position":3,"name":"How to reduce residual for a coal combustion case","previousItem":{"@type":"ListItem","@id":"https:\/\/innovationspace.ansys.com\/forum\/topics\/#listItem","name":"Topics"}}]},{"@type":"Organization","@id":"https:\/\/innovationspace.ansys.com\/forum\/#organization","name":"Ansys Learning Forum","description":"Ansys Innovation Space","url":"https:\/\/innovationspace.ansys.com\/forum\/"},{"@type":"WebPage","@id":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/#webpage","url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/","name":"How to reduce residual for a coal combustion case | Ansys Learning Forum","description":"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. 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The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/","og:image":"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png","og:image:secure_url":"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png","article:published_time":"2024-05-13T19:01:28+00:00","article:modified_time":"2024-05-13T19:01:28+00:00","twitter:card":"summary_large_image","twitter:title":"How to reduce residual for a coal combustion case | Ansys Learning Forum","twitter:description":"I am running a coal combustion case. The residual has spikes every time the discrete phase is simulated.I kept the momentum for 1st order for momentum for 6700 iterations. But the continuity residual didn\u2019t drop much. Once I changed momentum to 2nd order, the continuity residual jumped.Is there any suggestion to reduce the continuity residual.","twitter:image":"https:\/\/innovationspace.ansys.com\/forum\/Users\/fyi\/AppData\/Local\/Temp\/msohtmlclip1\/01\/clip_image001.png"},"aioseo_meta_data":{"post_id":"366651","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"content","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":true,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"limit_modified_date":false,"created":"2024-10-28 16:42:34","updated":"2024-10-28 16:42:34","ai":null,"breadcrumb_settings":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/innovationspace.ansys.com\/forum\/topics\/\" title=\"Topics\">Topics<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\tHow to reduce residual for a coal combustion case\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/innovationspace.ansys.com\/forum"},{"label":"Topics","link":"https:\/\/innovationspace.ansys.com\/forum\/topics\/"},{"label":"How to reduce residual for a coal combustion case","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/how-to-reduce-residual-for-a-coal-combustion-case\/"}],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["26445","852"],"_bbp_author_ip":["184.24.96.207"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["141"],"_bbp_topic_status":["unanswered"],"_bbp_topic_id":["366651"],"_bbp_forum_id":["27792"],"_bbp_engagement":["852","26445"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["367059"],"_bbp_last_active_id":["367059"],"_bbp_last_active_time":["2024-05-16 10:19:12"]},"test":"jianghu"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/366651","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\/366651\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=366651"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}