{"id":198555,"date":"2026-05-14T21:03:41","date_gmt":"2026-05-14T21:03:41","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/knowledge\/?post_type=topic&#038;p=198555"},"modified":"2026-06-11T19:34:16","modified_gmt":"2026-06-11T19:34:16","slug":"freeflow-faqs-what-are-the-main-benefits-of-using-sph-adaptive-size-and-what-types-of-applications-benefit-most-from-it","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/freeflow-faqs-what-are-the-main-benefits-of-using-sph-adaptive-size-and-what-types-of-applications-benefit-most-from-it\/","title":{"rendered":"What are the main benefits of using SPH Adaptive Size in Ansys FreeFlow, and what types of applications benefit most from it?"},"content":{"rendered":"<h1  id=\"\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-198650 size-full\" src=\"https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2.png\" alt=\"\" width=\"1600\" height=\"200\" srcset=\"https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2.png 1600w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-300x38.png 300w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-1024x128.png 1024w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-768x96.png 768w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-1536x192.png 1536w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-24x3.png 24w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-36x5.png 36w, https:\/\/innovationspace.ansys.com\/knowledge\/wp-content\/uploads\/sites\/4\/2026\/05\/Freeflow-FAQ-banner-v2-48x6.png 48w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/h1>\n<h1  id=\"WHAT-ARE-THE-MAIN-BENEFITS-OF-USING-SPH-ADAPTIVE-SIZE-AND-WHAT-TYPES-OF-APPLICATIONS-BENEFIT-MOST-FROM-IT\"><strong>What are the main benefits of using SPH Adaptive Size, and what types of applications benefit most from it?<\/strong><\/h1>\n<p>Key benefits include:<\/p>\n<div class=\"attachment\" style=\"background-color: #fedb8d;padding: 1%;font-weight: 300;height: auto!important;display: flex;border-radius: 15px;margin-bottom: 20px\">\n<ul>\n<li><strong>Improved accuracy<\/strong> in critical flow regions;<\/li>\n<li><strong>Reduced computation time<\/strong> compared to uniform fine resolution;<\/li>\n<li><strong>Lower memory usage<\/strong>, especially for large 3D problems.<\/li>\n<\/ul>\n<\/div>\n<p>These advantages are most noticeable in problems with localized flow complexity.<\/p>\n<p>SPH Adaptive Size is particularly useful for:<\/p>\n<ul>\n<li>Nozzles and spray flows;<\/li>\n<li>Free\u2011surface impacts and splashing;<\/li>\n<li>Hydraulic components and valves;<\/li>\n<li>Flows over complex obstacles;<\/li>\n<li>Narrow gap or clearance flows (e.g., e\u2011motor or lubrication cooling).<\/li>\n<\/ul>\n<p>Any application where high gradients exist only in limited regions is a strong candidate.<\/p>\n<p>&nbsp;<\/p>\n<div class=\"packages-rocky\">\n<div class=\"additional-package-rocky col-md-5\">\n<p>Access more FAQs and Tips in the page:<\/p>\n<div><a class=\"download\" href=\"https:\/\/innovationspace.ansys.com\/knowledge\/forums\/topic\/ansys-freeflow-faqs-and-tips\/\" target=\"_blank\" rel=\"noopener\">FreeFlow FAQs and Tips<\/a><\/div>\n<\/div>\n<\/div>\n<h6 class=\"paragraph\" style=\"text-align: center\" align=\"right\" class=\"paragraph\" style=\"text-align: center\" align=\"right\"  id=\"ANSYS-FREEFLOW-SMOOTHED-PARTICLE-HYDRODYNAMICS-SPH-SIMULATION-SOFTWARE\"><span class=\"eop\"><span style=\"font-size: 16.0pt\"><em>Ansys FreeFlow\u2122 smoothed-particle hydrodynamics (SPH) simulation software<\/em> <\/span><\/span><\/h6>\n","protected":false},"template":"","class_list":["post-198555","topic","type-topic","status-publish","hentry","topic-tag-ansys-freeflow","topic-tag-ansys-freeflow-faqs","topic-tag-faqs-sph","topic-tag-sph-adaptive-size","topic-tag-sph-simulations","filter-by-application-ansys-freeflow","application-products-ansys-freeflow"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_edit_lock":["1781206516:17114"],"_edit_last":["17114"],"_aioseo_title":[null],"_aioseo_description":[null],"_aioseo_keywords":["a:0:{}"],"_aioseo_og_title":[null],"_aioseo_og_description":[null],"_aioseo_og_article_section":[""],"_aioseo_og_article_tags":["a:0:{}"],"_aioseo_twitter_title":[null],"_aioseo_twitter_description":[null],"application_name":[""],"_application_name":["field_64a80903c8e15"],"filter_by_optics_product":["Lumerical"],"_filter_by_optics_product":["field_64fb192ba3121"],"family":[""],"_family":["field_64a809229a857"],"siebel_km_number":[""],"_siebel_km_number":["field_63ecbffce60db"],"salesforce_km_number":[""],"_salesforce_km_number":["field_63ecc018e60dc"],"km_published_date":[""],"_km_published_date":["field_64c77704499dd"],"product_version":[""],"_product_version":["field_64c776cb4fd2e"],"_bbp_forum_id":["27796"],"_bbp_topic_id":["199013"],"_bbp_author_ip":["200.58.0.178"],"_bbp_last_reply_id":["0"],"_bbp_last_active_id":["198556"],"_bbp_last_active_time":["2026-05-14 21:03:41"],"_bbp_reply_count":["0"],"_bbp_reply_count_hidden":["0"],"_bbp_voice_count":["0"],"_btv_view_count":["275"],"_bbp_likes_count":["1"]},"test":"articlesansys-com"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/198555","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":4,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/198555\/revisions"}],"predecessor-version":[{"id":199013,"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/topics\/198555\/revisions\/199013"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/knowledge\/wp-json\/wp\/v2\/media?parent=198555"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}