Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
6777803 | Thin-Walled Structures | 2018 | 11 Pages |
Abstract
A Finite Element computational model of development of the axisymmetric mode of collapse is presented and analysed, using a non-linear finite element code FORGE2. The proposed finite element model for this purpose idealizes the deformation as axisymmetric. Six noded triangular elements were used to discretize the domain. The material of the shell specimens was idealized as rigid visco-plastic. Experimental and computed results of the deformed shapes and their corresponding load-compression and energy-compression curves were presented and compared to validate the computational model. Typical variations of equivalent strain, equivalent strain rate and nodal velocity distribution are presented to help in predicting the mode of collapse. On the basis of the obtained results development of the axisymmetric mode of collapse has been presented, analysed and discussed.
Related Topics
Physical Sciences and Engineering
Engineering
Civil and Structural Engineering
Authors
P.K. Gupta, N.K. Gupta,