Research Article
Improved DDA Method Based on Explicitly Solving Contact Constraints
Table 3
Comparison of the embedding distances for block stabilized using the three calculation solutions.
| | Contact point | Analytical solution | Conventional DDA method solution | Improved DDA method solution | | Embedding distance (10−4 m) | Embedding distance (10−4 m) | Relative error (%) | Embedding distance (10−4 m) | Relative error (%) |
| | DN | 2.0944 | 2.0759 | 0.8833 | 2.0684 | 1.1214 | | DN | 0.5304 | 0.5254 | 0.9426 | 0.5236 | 1.2255 | | DS | — | 1.8186 | — | 1.8097 | — | | DS | — | 1.3094 | — | 1.3086 | — | | DS | 3.1280 | 3.1016 | 0.8439 | 3.0894 | 0.9463 |
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