Research Article
Improved DDA Method Based on Explicitly Solving Contact Constraints
Table 4
Comparison of iteration time with different contact stiffness.
| Contact stiffness | Iteration time (s) | Conventional DDA method | Improved DDA method |
| | 793.2 | 592.6 | | 674.9 | 602.4 | | 812.7 | 613.7 | | Terminated | 589.5 | | 931.9 | 598.3 |
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