{"id":222684,"date":"2022-07-29T12:17:07","date_gmt":"2022-07-29T12:17:07","guid":{"rendered":"\/forum\/forums\/reply\/222684\/"},"modified":"2022-07-29T12:17:07","modified_gmt":"2022-07-29T12:17:07","slug":"222684","status":"publish","type":"reply","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222684\/","title":{"rendered":"Reply To: finding a cell closest to a point in domain (in parallel mode)"},"content":{"rendered":"<p>&lt;p&gt;I cannot comment on User Defined Functions on this open platform. What I can say is that, If have the cell index of the minimum distance I store it first. Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. All nodes transfer that to the host. Now back again on only nodes (all of them), I now create a dummy vector to store the centroid of the cell with the index I found in the first step, ensure that the distance to the input point &#8211; dmin is smaller than a very small threshold: if this is true: we store the coordinates and you can do all the rest. Now back on All Nodes and Host, I transfer the vector with cell coordinate using reduction (PRF_GRHIGH) and do transfer from node to host the real vector&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;I will do the cell loop on all cells not only internals.&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;&lt;p&gt;&nbsp;&lt;\/p&gt;<\/p>\n","protected":false},"template":"","class_list":["post-222684","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=\"I cannot comment on User Defined Functions on this open platform. What I can say is that, If have the cell index of the minimum distance I store it first. Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. All nodes transfer\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222684\/\" \/>\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: finding a cell closest to a point in domain (in parallel mode) | Ansys Learning Forum\" \/>\n\t\t<meta property=\"og:description\" content=\"I cannot comment on User Defined Functions on this open platform. What I can say is that, If have the cell index of the minimum distance I store it first. Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. All nodes transfer\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222684\/\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2022-07-29T12:17:07+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2022-07-29T12:17:07+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"Reply To: finding a cell closest to a point in domain (in parallel mode) | Ansys Learning Forum\" \/>\n\t\t<meta name=\"twitter:description\" content=\"I cannot comment on User Defined Functions on this open platform. What I can say is that, If have the cell index of the minimum distance I store it first. 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What I can say is that, If have the cell index of the minimum distance I store it first. Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. 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Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. All nodes transfer","og:url":"https:\/\/innovationspace.ansys.com\/forum\/forums\/reply\/222684\/","article:published_time":"2022-07-29T12:17:07+00:00","article:modified_time":"2022-07-29T12:17:07+00:00","twitter:card":"summary_large_image","twitter:title":"Reply To: finding a cell closest to a point in domain (in parallel mode) | Ansys Learning Forum","twitter:description":"I cannot comment on User Defined Functions on this open platform. What I can say is that, If have the cell index of the minimum distance I store it first. Now I do the reduction to have the minimum of all distances. That should be done without any Host or Node restrictions. 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