Geometric Numerical Integration of Inequality Constrained Nonsmooth Hamiltonian Systems Danny M. Kaufman and Dinesh K. Pai, SIAM Journal on Scientific Computing, 2012.
@Article{CG_0203,
author = {Danny M. Kaufman and Dinesh K. Pai},
title = {{G}eometric {N}umerical {I}ntegration of {I}nequality {C}onstrained {N}onsmooth {H}amiltonian {S}ystems},
journal = {SIAM Journal on Scientific Computing},
volume = {34},
number = {5},
year = {2012}
}