1. Ai, J., 2010. Particle scale and bulk scale investigation of granular piles and silos, Ph.D. Thesis School of Engineering, The University of Edinburgh, Edinburgh, UK.
2. Ai, J., Chen, J.F., Rotter, J.M., Ooi, J.Y., 2009. Finite element prediction of progressively formed conical stockpiles. In: 2009 SIMULIA Customer Conference, London, U.K., pp. 375–387.
3. Stress distribution in granular heaps using multi-slip formulation;Al Hattamleh;Int. J. Numer. Anal. Meth. Geomech.,2005
4. Granular materials: constitutive equations and strain localization;Anand;J. Mech. Phys. Solids,2000
5. From the stress response function (back) to the sand pile ‘dip’;Atman;Eur. Phys. J. E,2005