UDEC (Universal Distinct Element Code) is a numerical modeling code for advanced geotechnical analysis of soil, rock, and structural support in two dimensions. UDEC simulates the response of discontinuous media (such as jointed rock) that is subject to either static or dynamic loading. UDEC is a discontinuum code that simulates either the quasi-static or dynamic response to loading of rock media containing multiple, intersecting joint structures. Because it is not limited to a particular type of problem or initial condition, UDEC may be applied to any case where an understanding of the two-dimensional response of such structures is needed. Highlighted Features: Simulation of large displacements (slip and opening) along distinct surfaces in a discontinuous medium (e.g., jointed rock masses); Discontinuous medium treated as an assemblage of discrete (convex or concave) polygonal blocks with rounded corners; Discontinuities treated as boundary conditions between blocks; Relative motion along the discontinuities governed by linear and non-linear force-displacement relations for movement in both the normal and shear directions

References in zbMATH (referenced in 11 articles )

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  1. Alexakis, Haris; Makris, Nicos: Limit equilibrium analysis and the minimum thickness of circular masonry arches to withstand lateral inertial loading (2014)
  2. Wu, Zhijun; Fan, Lifeng: The numerical manifold method for elastic wave propagation in rock with time-dependent absorbing boundary conditions (2014)
  3. Ke, Chien-Chung; Kuo, Cheng-Lung; Hsu, Shih-Meng; Liu, Shang-Chia; Chen, Chao-Shi: Two-dimensional fracture mechanics analysis using a single-domain boundary element method (2012)
  4. Hedin, Allan: Stereological method for reducing probability of earthquake-induced damage in a nuclear waste repository (2011)
  5. Turanboy, Alparslan: A geometric approach for natural rock blocks in engineering structures (2010)
  6. Gu, Jiong; Zhao, Zhiye: Considerations of the discontinuous deformation analysis on wave propagation problems (2009)
  7. Azevedo, N.Monteiro; Lemos, J.V.: Hybrid discrete element/finite element method for fracture analysis (2006)
  8. Bafghi, A.R.Yarahmadi; Verdel, T.: Sarma-based key-group method for rock slope reliability analyses (2005)
  9. Senseny, Paul E.; Pučik, Thomas A.: Development and validation of computer models for structures in jointed rock (1999)
  10. Zettler, A.H.; Poisel, R.: The effectivity of rock bolts in tunnelling demonstrated by finite difference models (UDEC, FLAC) (1997)
  11. Gilbert, Robert B.; Long, James H.; Moses, Barry E.: Analytical model of progressive slope failure in waste containment systems (1996)