This paper derives analytical solutions of the elastic follow-up factor for power-law creeping cruciform plates under bi-axial displacements to investigate the effect of multi-axial stress states on elastic follow-up behaviors. Validity of the proposed solutions is checked against the results from finite element analyses using power-law creep material. Based on proposed solutions, effects of the biaxiality, geometry, Poisson’s ratio and creep exponent on elastic follow-up factors are discussed. Present results show that the elastic follow-up factor for structure with structural discontinuity can be significantly affected by the multi-axial stress states.
Elastic Follow-Up Factor for Cruciform Plate Under Bi-Axial Loading
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Lee, K, Kim, Y, Ainsworth, RA, Dean, D, & Jin, T. "Elastic Follow-Up Factor for Cruciform Plate Under Bi-Axial Loading." Proceedings of the ASME 2011 Pressure Vessels and Piping Conference. Volume 3: Design and Analysis. Baltimore, Maryland, USA. July 17–21, 2011. pp. 479-485. ASME. https://doi.org/10.1115/PVP2011-57185
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