Buckling of Square and Circular Perforated Square Plates under Uniaxial Loading

Uslu F., Saraçoğlu M. H., Albayrak U.

Journal of Innovations in Civil Engineering and Technology, cilt.4, sa.2, ss.61-75, 2022 (Hakemli Dergi)

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 4 Sayı: 2
  • Basım Tarihi: 2022
  • Dergi Adı: Journal of Innovations in Civil Engineering and Technology
  • Derginin Tarandığı İndeksler: Index Copernicus, Root Indexing
  • Sayfa Sayıları: ss.61-75
  • Eskişehir Osmangazi Üniversitesi Adresli: Evet

Özet

This paper aims to investigate the critical buckling loads of uniaxially loaded simply

supported square thin plates with central circular and square holes in terms of some

parameters like hole shapes, slenderness ratios and total hole areas. In this study,

buckling analyses of perforated plates with different hole shapes of perforation and

slenderness ratios were carried out. For this purpose, plate models with seven

different total hole areas were examined together with the non-perforated plate. The

total hole area ratios in the models are 0.79%, 3.14%, 7.07%, 12.57%, 19.63%, 28.27%

and 38.48%, respectively. The total hole areas of the models with square holes are

arranged to be the same as the models with circular holes to compare the results

among circular and square perforated plates properly. The models were established

by using the finite-element (FE) software ANSYS using Shell-181 elements which are

4-node structural shell elements. The comparisons on critical buckling loads between

square and circular perforated results show that the buckling load for the plates with

square holes is higher than for the plates with circular holes.