A Fast 3D Finite-Element Solver for Large-Scale Seismic Soil Liquefaction Analysis. - Ryota Kusakabe; Kohei Fujita; Tsuyoshi Ichimura; Muneo Hori; Lalith Wijerathne (ICCS (2), 2019)

Large-Scale Stabilized Multi-physics Earthquake Simulation for Digital Twin. - Ryota Kusakabe; Tsuyoshi Ichimura; Kohei Fujita; Muneo Hori; Lalith Wijerathne (ICCS (2), 2021)

Fast scalable implicit solver with convergence of equation-based modeling and data-driven learning: earthquake city simulation on low-order unstructured finite element. - Tsuyoshi Ichimura; Kohei Fujita; Kentaro Koyama; Yuma Kikuchi; Ryota Kusakabe; Kazuo Minami; Hikaru Inoue; Seiya Nishizawa; Miwako Tsuji; Tatsuo Nishiki; Muneo Hori; Lalith Maddegedara; et al. (PASC, 2021)

152K-computer-node parallel scalable implicit solver for dynamic nonlinear earthquake simulation. - Tsuyoshi Ichimura; Kohei Fujita; Kentaro Koyama; Ryota Kusakabe; Yuma Kikuchi; Takane Hori; Muneo Hori; Lalith Maddegedara; Noriyuki Ohi; Tatsuo Nishiki; Hikaru Inoue; Kazuo Minami; et al. (HPC Asia, 2022)

Extreme Scale Earthquake Simulation with Uncertainty Quantification. - Tsuyoshi Ichimura; Kohei Fujita; Ryota Kusakabe; Kentaro Koyama; Sota Murakami; Yuma Kikuchi; Takane Hori; Muneo Hori; Hikaru Inoue; Takafumi Nose; Takahiro Kawashima; Maddegedara Lalith (SC, 2022)

GPU-Accelerated Sparse Matrix Vector Product based on Element-by-Element Method for Unstructured FEM using OpenACC. - Ryota Kusakabe; Kohei Fujita; Tsuyoshi Ichimura; Muneo Hori; Maddegedara Lalith (WACCPD@SC, 2022)

Scalable large-scale multi-physics earthquake simulation on multiple GPUs with stabilization. - Ryota Kusakabe; Tsuyoshi Ichimura; Kohei Fujita; Muneo Hori; Lalith Wijerathne (J. Comput. Sci., 2022)

Development of an Estimation Method for the Seismic Motion Reproducibility of a Three-Dimensional Ground Structure Model by Combining Surface-Observed Seismic Motion and Three-Dimensional Seismic Motion Analysis. - Tsuyoshi Ichimura; Kohei Fujita; Ryota Kusakabe; Hiroyuki Fujiwara; Muneo Hori; Maddegedara Lalith (ICCS (3), 2024)