Abstract:
The case of large deformations presents a challenging problem to be simulated numerically. In recent
years, the development of meshfree methods especially the Material Point Method (MPM) has gained
some tractions and shown some significant progresses. This thesis aims to utilize this method for
analyzing a large deformation case found in load induced slope failure. Thus, a hypothetical slope
geometry is chosen to be modeled and analyze in regard to varying soil strength parameter and
incremental uniform load. Next, the results are divided into two criteria, small strain deformation and
large strain deformation. Then, a comparison study is performed between MPM and Finite Element
Method (FEM) in the small strain deformation region in order to investigate MPM. The outcome
shows that MPM produce relatively consistent results compared to FEM results in all the case variants.
In the large deformation region, MPM also presents failure geometries along with the corresponding
mechanical properties throughout the failure process. However, there are also numerical errors which
is happening in all the cases. These errors are causing inaccurate results on some small region in the
model and even breaking the model altogether in some worse cases.
