Stochastic Approaches of Nonlinear Model‐Based Simulations for Vibratory Compaction Process

Abstract

AbstractThe paper presents a basic approach regarding nonlinear models intended for computational dynamics of vibratory compaction process in order to evaluate the consolidation level. Taking into account the complex rheology of terrains and the relative variable dynamic load in time for each point inside the working area, a stochastic approach both of the material characteristics, and of the excitatory charges have been appropriate. Numerical simulations has developed based on nonlinear models containing conservative and complex dissipative rheological elements, which include two main groups of stochastic data as follows: terrain characteristics from preconditioning experimental tests, and vibratory actions from analytical approaches supposing the soil‐drum contact area and the number of dynamic load transitions over this area. Simulation results dignify small variances between the real and computed terrain responses, comparative with the case supposing full determinist parameters. (© 2014 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)