#109: How to output the stiffness matrices in Nastran?<\/p>\n
PARAM,EXTOUT,DMIGPCH<\/p>\n
The matrices will be printed in punch file *.pnch<\/p>\n
KAAX = boundary stiffness matrix
\nPAX = boundary load matrix<\/p>\n","protected":false},"excerpt":{"rendered":"
#109: How to output the stiffness matrices in Nastran? PARAM,EXTOUT,DMIGPCH The matrices will be printed in punch file *.pnch KAAX = boundary stiffness matrix PAX = boundary load matrix<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"nf_dc_page":"","_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_lmt_disableupdate":"yes","_lmt_disable":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[22],"tags":[],"class_list":["post-660","post","type-post","status-publish","format-standard","hentry","category-nastran"],"modified_by":"gantovnik","jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8bH0k-aE","jetpack_likes_enabled":true,"jetpack-related-posts":[{"id":632,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/09\/question-1-param-cards-in-nastran\/","url_meta":{"origin":660,"position":0},"title":"#99: PARAM cards in Nastran","author":"gantovnik","date":"2020-09-25","format":false,"excerpt":"#99: PARAM cards in Nastran 1) K6ROT specifies the stiffness to be added to the normal rotation for CQUAD4 and CTRIA3 elements. 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(the Gauss Quadrature\u2026","rel":"","context":"In "fem"","block_context":{"text":"fem","link":"https:\/\/gantovnik.com\/bio-tips\/category\/fem\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/gantovnik.com\/bio-tips\/wp-content\/uploads\/2022\/10\/ex303_2.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/gantovnik.com\/bio-tips\/wp-content\/uploads\/2022\/10\/ex303_2.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/gantovnik.com\/bio-tips\/wp-content\/uploads\/2022\/10\/ex303_2.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/gantovnik.com\/bio-tips\/wp-content\/uploads\/2022\/10\/ex303_2.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":673,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/09\/115-rbe3-vs-rbe2\/","url_meta":{"origin":660,"position":3},"title":"#115 Nastran Tips: When to Use RBE2 vs. RBE3 Elements","author":"gantovnik","date":"2020-09-28","format":false,"excerpt":"#115: RBE3 and RBE2 RBE2 (Rigid Body Element Type 2): Represents an infinitely stiff connection. All connected nodes (slave nodes) follow the exact same translations and rotations as the master node. There is no relative motion between the master and slave nodes. Commonly used for rigid body constraints, fixtures, or\u2026","rel":"","context":"In "nastran"","block_context":{"text":"nastran","link":"https:\/\/gantovnik.com\/bio-tips\/category\/nastran\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":648,"url":"https:\/\/gantovnik.com\/bio-tips\/2020\/09\/105-how-to-remove-offsets-defined-on-shell-and-beams\/","url_meta":{"origin":660,"position":4},"title":"#105: How to remove offsets defined on shell and beams?","author":"gantovnik","date":"2020-09-25","format":false,"excerpt":"#105: How to remove offsets defined on shell and beams? 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