%0 Journal Article
%T Second-Order Displacement Functions for Three-Dimensional Discontinuous Deformation Analysis (3-D DDA) S.A.
%J Scientia Iranica
%I Sharif University of Technology
%Z 1026-3098
%A Jafari, A.
%A Beyabanaki, S. A. R.
%A Yeung, M. R.
%D 2009
%\ 06/01/2009
%V 16
%N 3
%P -
%! Second-Order Displacement Functions for Three-Dimensional Discontinuous Deformation Analysis (3-D DDA) S.A.
%K Numerical method
%K Three-Dimensional Discontinuous Deformation Analysis (3-D DDA)
%K Second-order displacement functions
%K Rock mechanics
%R
%X Abstract. The development of second-order displacement functions for a Three-Dimensional Discontinuous
Deformation Analysis (3-D DDA) is made by incorporating the complete second order terms.
Formulations of stiness and force matrices in second-order due to elastic stress, initial stress, point load,
body force, inertia force and xed point are derived. Two illustrative examples of 3-D beams subjected to
various loads are used to validate the new formulations and code. By contrast, the results calculated for
the same model by use of the original rst-order 3-D DDA are far from the theoretical solutions.
%U https://scientiairanica.sharif.edu/article_3105_34a797fb82508aaa2e904d8b298a4443.pdf