{"id":361806,"date":"2024-04-11T17:49:53","date_gmt":"2024-04-11T17:49:53","guid":{"rendered":"\/forum\/forums\/topic\/crack-propagation-by-blasting\/"},"modified":"2024-04-11T17:49:53","modified_gmt":"2024-04-11T17:49:53","slug":"crack-propagation-by-blasting","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/crack-propagation-by-blasting\/","title":{"rendered":"crack propagation by blasting"},"content":{"rendered":"<p>hello all,<\/p>\n<p>currently, i am conductiong a reserch on numerical modeling of rock fragmentaion by balsting and blasting advancment of bench blasting(open pit mining). however, my students version ls-dyna prepost doesn&#8217;t show the crack initiation\/propagation&nbsp; duet to dynamic explosive blasting. when i sent the key file to other persons abroad, it shows good crack propagation like below shown. now, am requesting you all kind pepeole to help me how to solve this problem. i mean is this problem encountered duet to software version or materila model set up procedure? please help me i am already stacked for long time.<\/p>\n<p>if you have any ideas or suggestions, contact me through my institutional email: yalew.degu@aastu.edu.et<\/p>\n<p>thank you!!<\/p>\n<p><img decoding=\"async\" src=\"\/forum\/wp-content\/uploads\/sites\/2\/2024\/04\/11-04-2024-1712857304-photo_2024-04-11_20-32-03.jpg\" alt=\"\"><\/p>\n","protected":false},"template":"","class_list":["post-361806","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"hello all,currently, i am conductiong a reserch on numerical modeling of rock fragmentaion by balsting and blasting advancment of bench blasting(open pit mining). however, my students version ls-dyna prepost doesn&#039;t show the crack initiation\/propagation duet to dynamic explosive blasting. when i sent the key file to other persons abroad, it shows good 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