{"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":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"What are the main benefits of using SPH Adaptive Size, and what types of applications benefit most from it? Key benefits include: Improved accuracy in critical flow regions; Reduced computation time compared to uniform fine resolution; Lower memory usage, especially for large 3D problems. These advantages are most noticeable in problems with localized flow complexity.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"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\/\" \/>\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 Knowledge | Ansys Innovation Space\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"What are the main benefits of using SPH Adaptive Size in Ansys FreeFlow, and what types of applications benefit most from it? | Ansys Knowledge\" \/>\n\t\t<meta property=\"og:description\" content=\"What are the main benefits of using SPH Adaptive Size, and what types of applications benefit most from it? Key benefits include: Improved accuracy in critical flow regions; Reduced computation time compared to uniform fine resolution; Lower memory usage, especially for large 3D problems. These advantages are most noticeable in problems with localized flow complexity.\" \/>\n\t\t<meta property=\"og:url\" content=\"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\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2026-05-14T21:03:41+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2026-06-11T19:34:16+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"What are the main benefits of using SPH Adaptive Size in Ansys FreeFlow, and what types of applications benefit most from it? | Ansys Knowledge\" \/>\n\t\t<meta name=\"twitter:description\" content=\"What are the main benefits of using SPH Adaptive Size, and what types of applications benefit most from it? Key benefits include: Improved accuracy in critical flow regions; Reduced computation time compared to uniform fine resolution; Lower memory usage, especially for large 3D problems. 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