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5 results for "buckling"

Buckling analysis according to AISC

The result of linear buckling analysis is buckling factor α cr corresponding to the buckling mode shape. buckling mode (usually the first) and buckling factor α cr multiplying compressive force by buckling factor, i.e. The buckling analysis is performed and the lowest buckling factor corresponding to buckling mode shape for the investigated plate is noted.

Design of stiffeners in structural steel joints

It is proposed to use a combination of materially nonlinear analysis without imperfections with buckling analysis in CBFEM. To avoid local buckling of slender plates in CBFEM a design procedure is proposed and verified on the research finite element model (RFEM). It is proposed to use a combination of material nonlinear analysis without imperfections with buckling analysis in CBFEM.

Column web panel in shear

of the plate \[ \sigma_E = \frac{\pi^2 E}{12 (1-\nu^2)} \left ( \frac{t_w}{h_w} \right )^2 \] The buckling coefficient k τ is obtained in EN 1993-1-5: The linear buckling analysis is implemented in the software. The calculation of the design resistances is done according to the design procedure. The first buckling mode of the joint is shown in Fig. 6.2.3b.

Column web stiffener

The chapter is focused on verification of buckling of column stiffener. Equivalent geometric imperfections are derived from the first buckling mode, and the amplitude is set according to Annex C in EN 1993-1-5:2006. The first buckling mode of the joint is shown in Fig. 6.3.3b.

Bolts and Compressed Plates Modelling

An essential part of the following research is verification of the buckling curve for non-regular plate shapes such as triangular. Using the buckling curve instead of nonlinear analysis will reduce the calculation time.

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