By Guowei MA, Yingxin ZHOU
This ebook comprises the 7 keynote papers written by way of the specialists, overseas popular researchers and experts and seventy three technical papers which mirror the state-of-the-practice at the research of Discontinuous Deformation: New improvement and purposes. those papers have been chosen after a rigorous assessment method. It represents the most recent advances in numerical and analytical tools on the topic of rock mechanics and engineering. Following the culture of the sequence, the most schemes of the papers are at the key block idea and its engineering functions, the discontinuous deformation research (DDA) approach and the numerical manifold strategy (NMM). although, different proper subject matters, for instance, the distinct/discrete point approach, the meshless strategy, the finite aspect process in rock mechanics and engineering functions also are incorporated. For rock plenty the place the discontinuities dominate their behaviour in a rock engineering method equivalent to rock slopes and underground rock caverns, the research of discontinuous deformation is of serious significance within the balance research and engineering layout. it really is was hoping that this publication serves as an invaluable reference for either researchers and engineers at the new advancements and purposes of many of the on hand modeling suggestions and instruments during this more and more vital box of rock mechanics and engineering. issues coated: * Key Block conception and Engineering functions * Discontinuous Deformation research (DDA) process * Numerical Manifold technique (NMM) * Distinct/Discrete point process (DEM) * software of UDEC, 3DEC and PFC codes * Meshless technique and Rock Engineering functions * touch Algorithms * Wave Propagation via Rock Joint and Jointed Rock Mass * Deformation research of Heterogeneous fabrics * different complicated Analytical and Numerical equipment in Rock Engineering * Experimental strategies and size of Discontinuous Deformation * Case stories and different correct issues
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Additional info for Analysis of Discontinuous Deformation New Developments and Applications
There is an undulate topography on the barrage surface where the surface elevation at the left part, the front of the barrage body, is higher than that at the right. 9 m while the maximum elevation at the right is 775 m. 37 million m3 . 2. Geological condition Figure 4 shows the cross section of the landslide where the original slope surface is estimated. Except of the weathered slope debris in the surface layer, the foundation rock appeared in the slope consists of silty sandstone, siliceous slate, marlite and mudstone in the lower Cambrian period.
By using these models, the analysis had been performed by applying the scale factor curve as shown in Fig. 4. In the Takamatsu Experiment, Komura or Ushiro et al. 18 (m) (Fig. 6). Figure 6. Input of height-deviation to triangle elements. 43 Analysis of Discontinuous Deformation: New Developments and Applications Figure 7. Input of height-deviation to triangle elements. The analysis results were shown in Fig. 7. In this figure, we can see that there appeared a great variation in the trajectory and velocity, when the roughness of the topographic model was taken into consideration, in comparison with the case where only the velocity ratio deviations were taken into account.
Y. Lam, Theoretical aspects of the smoothed finite element method (SFEM), Int. J. Numer. Mech. , 71: 902-930, 2007. 13. R. Y. , A linearly conforming point interpolation method (LC-PIM) for 2D mechanics problems, International Journal for Computational methods, 2, 645-665, 2005. 14. R. Y. Zhang, Upper bound solution to elasticity problems: a unique property of the linearly conforming point interpolation method (LC-PIM), Int. J. Numer. Mech. Engrg. 74, 11281161, 2008. 15. R. Liu, A generalized gradient smoothing technique and the smoothed bilinear form for galerkin formulation of a wide class of computational methods, International Journal of Computational Methods, Vol.
Analysis of Discontinuous Deformation New Developments and Applications by Guowei MA, Yingxin ZHOU