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Plate Buckling

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Estimate elastic local buckling stress and thickness sensitivity for a thin rectangular plate.

k
nu

Critical stress

71.79 MPa

long simply supported plate in longitudinal compression

Width / thickness

60.00

t / b = 0.0167

Critical line load

143.57 N/mm

143.6 kN/m

Plate buckling

Compression excites the first local mode; stiffness rises with the square of thickness over width.

71.8 MPa critical

Supported panel under compressionThe current geometry is drawn as a slender strip, then checked against the elastic critical stress.width b = 120.0 mmt = 2.00 mmThickness sensitivitylower t / bhigher t / b

Hover or tap the compression arrows, buckled plate, or curve marker.

coefficient

4.00

long simply supported plate in longitudinal compression

slenderness

60.0

width divided by thickness

plate rigidity

52.37 N m

Kirchhoff plate rigidity D

line load

143.6 N/mm

sigma cr times thickness

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