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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Stability Analysis of Thin-Walled Cold-Formed Sigma Profiles Using the Finite Strip Method
 Venzara, Mikuláš
The stability analysis of cold-formed thin-walled profiles often benefits from the effective application of the finite strip method. Among the software tools based on this method is the CUFSM program. This article provides an overview of the principles of the finite strip method and the use of the CUFSM program for conducting parametric studies. Specially, the focus is on investigating the influence of the geometry of web intermediate stiffeners in Sigma-sections on the buckling capacity of flanges with edge stiffeners during distortional buckling. The parametric studies are automated through appropriate modifications of the CUFSM program source code.
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On the milling technology of thin-walled parts for aerospace industry
 Ohnišťová, Petra ; Polzer, Aleš (referee) ; Píška, Miroslav (advisor)
This thesis is focused on the analysis and on the design of the milling technology of the components for the aerospace industry which are characterised by a high aspect ratio, reduced stiffness and all covered by a high demand on the fatigue performance. This work includes the experimental verification of the proposed technology using CNC machining center, evaluation of surface structure using optical high-resolution 3D surface measurement system ALICONA, analysis of the force loading using KISTLER device, fatigue testing and fatigue fracture analysis.
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