{"id":34757,"date":"2019-04-16T12:30:16","date_gmt":"2019-04-16T12:30:16","guid":{"rendered":"\/forum\/forums\/topic\/changing-viscous-and-inertial-resistance-coefficients-udf\/"},"modified":"2019-04-16T12:30:16","modified_gmt":"2019-04-16T12:30:16","slug":"changing-viscous-and-inertial-resistance-coefficients-udf","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/changing-viscous-and-inertial-resistance-coefficients-udf\/","title":{"rendered":"Changing viscous and inertial resistance coefficients UDF"},"content":{"rendered":"<p>Hi everyone,<\/p>\n<p><\/p>\n<p>I want to change the viscous and inertial resistance coefficients in a porous zone (Cell Zone) as function of time using an UDF.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/cbf96aa1-92cb-4544-b6e6-aa3100ce0c9e_er.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>In the manuel, I found this UDF to define a viscous resistance profile in a porous zone.<\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/08a6e885-7bfd-4ef9-a743-aa3100ceb148_reah.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/us.v-cdn.net\/6032193\/uploads\/attachments\/d652d665-7f9c-42a4-8f4c-a96d00d34316\/9dfba211-6efe-4db7-919b-aa3100cce1db_gre.jpg?width=690&amp;upscale=false\" alt=\"\"><\/p>\n<p><\/p>\n<p>I want to define the coefficients in each direction and as function of time. How can I define this parameters in the UDF?<\/p>\n<p><\/p>\n<p>Have anyone any UDF-Code to change the coefficients as function of time?<\/p>\n<p><\/p>\n<p>&nbsp;<\/p>\n<p><\/p>\n<p>Regards,<\/p>\n<p><\/p>\n<p>Maxime<\/p>\n","protected":false},"template":"","class_list":["post-34757","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_old_topic_id":["6929"],"_bbp_old_topic_author_name_id":["Anonymous"],"_bbp_old_is_topic_anonymous_id":["false"],"_bbp_old_closed_status_id":["publish"],"_bbp_author_ip":[null],"_bbp_old_sticky_status_id":["normal"],"_bbp_likes_count":["0","0"],"_btv_view_count":["1833"],"_bbp_subscription":["237203"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["34757"],"_bbp_forum_id":["27792"],"_bbp_engagement":["199","22555","159144"],"_bbp_voice_count":["3"],"_bbp_reply_count":["20"],"_bbp_last_reply_id":["83537"],"_bbp_last_active_id":["83537"],"_bbp_last_active_time":["2019-04-23 11:41:39"]},"test":"max4"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/34757","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\/34757\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=34757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}