...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Prediction of near fault ground motion by dynamic rupture simulation M. Yamada NEWJEC Inc., Osaka, Japan R. Imai & K. Takamuku Mizuho Information & Research Institute, Inc., Tokyo, Japan H...

... Abstract: Large-scale numerical simulation is being enabled by utilizing high performance computing. A socially important target is the estimation of earthquake hazard and disaster. Integrated Earthquake Simulation is being developed to this end. This simulation combines the ground motion...

...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Analysis of rock fracture toughness (mode I) by dynamics simulation code Changheon Song, Daeji Kim, Sang-Min Lee, Joo-Young Oh, Jong-Hyoung Kim, Jin-Young Park, Si-Geun Choi & Jung-Woo Cho...

... Taisei Corporation, Tokyo, Japan M. Hori The University of Tokyo, Tokyo, Japan ABSTRACT: Continuum mechanics-based numerical simulations are potential methods for evaluating surface fault displacements. We developed a parallel finite element method to evaluate these displacements. In this study, we...

...) in order to simulate rock behavior during low-velocity impact. In another study, a numerical tool is developed in order to simulate rock fragmentation during indentation in (Wang et al. 2011). Heterogeneity and isotropic damage is considered by Wang et al in that work. More specifically, the fragmentation...

..., in regard to vulnerability assessment, as well as the design of safe underground structures. The current study involves a large-scale seismic rupture simulation of an entire fault, tunnel and the surrounding crustal rock area. The parallel finite element program FrontISTR, was modified to include RC...

...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Numerical simulation on progressive failure in rock slope using a 3D lattice spring model Tsuyoshi Nishimura & Masanori Kohno Tottori University, Tottori, Japan ABSTRACT: In slope stability...

... appropriately. In the past decades, the meshless MPS method has been developed within the Lagrangian framework. In MPS, the fully Navier Stoke equation can be solved without using computational grids or meshes, and MPS is suitable for simulating motion and fragmentation of fluid. In this study, NMM-DDA and MPS...

... are needed to adjust for different materials. In addition, for colliding contact problem, whose interval is very short, a tiny time increment is needed, or the simulation result will be very unstable. However, as penalty method is easy to implement and understand, it is widely adopted in the engineering...

...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Simulation-based optimal design approach for rockfall protection walls S. Moriguchi, H. Kanno, K. Terada & T. Kyoya Tohoku University, Sendai, Japan ABSTRACT: This study presents a new design...

... clusters of elements representing the constituent minerals of the rock is included. The numerical simulations of dynamic indentation of rock with a spherical indenter are carried out to demonstrate the method. The effect of surface roughness is accounted for in the simulation showing that it adds...

... fragmentation induced by blasting. Numerical investigation was carried out by utilizing the Discrete Element Method (DEM) and Particle Blast Method (PBM) approaches in LS-DYNA software, on the response of rock fragmentation. In bench blasting simulation, the rock media was modelled using DEM and the blast...

...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Numerical simulation of the rock cutting M. Mohammadnejad & S. Dehkhoda CSIRO, Minerals Resources Business Unit, Australia H. Liu, & A. Chan School of Engineering, University of Tasmania D...

...2019 Rock Dynamics Summit Aydan et al. (eds) © 2019 Taylor & Francis Group, London, ISBN 978-0-367-34783-3 Numerical simulation of vibration in an excavated tunnel caused by blasts in adjacent tunnel Qingbin Zhang School of Civil Engineering, Changsha University of Science & Technology, Hunan...

... fracture problems. However, the number of its applications to dynamic fracture problems of rocklike materials has been very limited. This paper presents the application of a self-devolved 2D/3D PD simulator based on mesh-free particle discretization scheme. To overcome the significant computational burden...