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Architectural Institute of Korea (대한건축학회)
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Buckling Analysis of Rectangular Plates using an Enhanced 9-node Element

  • LEE, Sang Jin (ADOPT Research Group, Department of Architectural Engineering, Gyeongsang National University)
  • Received : 2015.12.06
  • Accepted : 2016.05.03
  • Published : 2016.09.30
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Abstract

The stability and resistance of the plates under in-plane loading is crucial in the design of structures. For the assessment of structural stability, it is necessarily required to have accurate finite element technologies. Therefore, the enhanced 9-node plate (Q9-ANS) element is introduced for the linear buckling analysis of plate where the critical buckling load has to be determined. The Q9-ANS is developed with the Reissner-Mindlin (RM) assumptions which consider transverse shear deformation of the plate. Assumed shear strain is used to alleviate the shear locking phenomenon. Numerical examples are carried out to verify the performance of the Q9-ANS element in calculation of critical buckling load of the plates.

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References

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