[ASME ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering - Rio de Janeiro, Brazil (Sunday 1 July 2012)] Volume 4: Offshore Geotechnics; Ronald W. Yeung Honoring Symposium on Offshore and Ship Hydrodynamics - A Numerical Investigation Into the Bottom Boundary Effect for Spudcan Penetration on Sand Overlying Clay in Centrifuge TestUllah, Shah Neyamat; Hu, Yuxia · 2012