{"id":398056,"date":"2024-12-19T21:06:13","date_gmt":"2024-12-19T21:06:13","guid":{"rendered":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-of-shell-composites-segmentation-fault-error\/"},"modified":"2024-12-19T21:06:13","modified_gmt":"2024-12-19T21:06:13","slug":"buckling-of-shell-composites-segmentation-fault-error","status":"publish","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/buckling-of-shell-composites-segmentation-fault-error\/","title":{"rendered":"Buckling of Shell Composites: Segmentation Fault Error"},"content":{"rendered":"

<p>Hello,<\/p><p>I am working on tow-steered composite plate buckling, and, as a simple check, I decided to begin with column buckling.  I am looking to use *ELEMENT_SHELL_COMPOSITE and *CONTROL_IMPLICIT_BUCKLE.  Ultimately, I want to use one set of shell elements, broken up into different parts, and each part is assigned a different number of plies. <\/p><p>I have successfully developed a 16-ply model that runs and gives the expected buckling load.  However, when I increase the number of plies to 32, the implicit static analysis runs properly, but the buckling analysis afterwards gives a “Segmentation Fault” error.  I have sufficent memory allocated, and 20 seemed to be the limit in number of plies I can use reliably before getting the error.  I want to note that I have ran the 32 ply model once, and it did work.  But then I deleted 8 plies, the only thing I did, and ran the model only to get the error. Any help would be appriciated.  I have attached both the model and a portion of the output file showing the error.<\/p><p>\"Model<\/p><p>\"Output<\/p><\/p>\n","protected":false},"template":"","class_list":["post-398056","topic","type-topic","status-publish","hentry","topic-tag-buckling-analysis","topic-tag-composite"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t