{"id":403692,"date":"2025-01-06T10:17:09","date_gmt":"2025-01-06T10:17:09","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403692\/"},"modified":"2025-01-06T10:17:09","modified_gmt":"2025-01-06T10:17:09","slug":"403692","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403692\/","title":{"rendered":"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step"},"content":{"rendered":"<p>&lt;p&gt;That&#8217;s the one &#8211; turn the Turbulence &amp; RSM equations off too. You&#8217;re turning the flow solver off &amp; just tracking particles.&nbsp;&lt;\/p&gt;&lt;p&gt;Parcel ID has a logical labelling method. What that method is isn&#8217;t something I can explain! The number of parcels is the same as the number of surface facets and you&#8217;re releasing a parcel per facet per time step.&nbsp;&lt;\/p&gt;&lt;p&gt;There isn&#8217;t a good link between iteration and particle position as it&#8217;s down to the flight time: that&#8217;s then a function of the DPM time step. Saving images with %i in the name will add the iteration number to the filename (%t is flow time step &amp; %f is flow time).&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-403692","reply","type-reply","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"That&#039;s the one - turn the Turbulence &amp; RSM equations off too. You&#039;re turning the flow solver off &amp; just tracking particles. Parcel ID has a logical labelling method. What that method is isn&#039;t something I can explain! The number of parcels is the same as the number of surface facets and you&#039;re releasing a parcel\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403692\/\" \/>\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=\"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"That&#039;s the one - turn the Turbulence &amp; RSM equations off too. You&#039;re turning the flow solver off &amp; just tracking particles. Parcel ID has a logical labelling method. What that method is isn&#039;t something I can explain! The number of parcels is the same as the number of surface facets and you&#039;re releasing a parcel\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/403692\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-01-06T10:17:09+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-01-06T10:17:09+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"That&#039;s the one - turn the Turbulence &amp; RSM equations off too. You&#039;re turning the flow solver off &amp; just tracking particles. Parcel ID has a logical labelling method. What that method is isn&#039;t something I can explain! The number of parcels is the same as the number of surface facets and you&#039;re releasing a parcel\" \/>\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\\\/reply\\\/403692\\\/#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\\\/forums\\\/reply\\\/403692\\\/#listItem\",\"name\":\"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403692\\\/#listItem\",\"position\":2,\"name\":\"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum#listItem\",\"name\":\"Home\"}}]},{\"@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\\\/reply\\\/403692\\\/#webpage\",\"url\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403692\\\/\",\"name\":\"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step | Ansys Learning Forum\",\"description\":\"That's the one - turn the Turbulence & RSM equations off too. You're turning the flow solver off & just tracking particles. Parcel ID has a logical labelling method. What that method is isn't something I can explain! The number of parcels is the same as the number of surface facets and you're releasing a parcel\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/innovationspace.ansys.com\\\/forum\\\/forums\\\/reply\\\/403692\\\/#breadcrumblist\"},\"datePublished\":\"2025-01-06T10:17:09+00:00\",\"dateModified\":\"2025-01-06T10:17:09+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":"Reply To: The Relationship Between Steady Flow Iterations and Transient DPM Time Step | Ansys Learning Forum","description":"That's the one - turn the Turbulence & RSM equations off too. You're turning the flow solver off & just tracking particles. Parcel ID has a logical labelling method. What that method is isn't something I can explain! 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