☆ 4.3 Article

Digital transformation of droplet/aerosol infection risk assessment realized on Fugaku for the fight against COVID-19

INTERNATIONAL JOURNAL OF HIGH PERFORMANCE COMPUTING APPLICATIONS (2022)

Topology-free immersed boundary method for incompressible turbulence flows: An aerodynamic simulation for dirty CAD geometry

Keiji Onishi et al.

Summary: The method proposed in this study combines the topology-free method and the immersed boundary method, which is suitable for viscous and incompressible flows at high Reynolds numbers, particularly for handling dirty and highly complex geometries. By utilizing ghost-cell technique and distributed forcing technique for boundary conditions imposition, along with an axis-projected interpolation scheme to avoid searching failures, the method achieves a topology-free immersed boundary, making it ideal for flow simulations of intricate geometries.

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING (2021)

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Article Multidisciplinary Sciences

Numerical investigation of effects of incisor angle on production of sibilant/s/

HsuehJui Lu et al.

Summary: Increasing the angle of the incisor affects the airflow configuration, leading to a decrease in sound amplitudes in the frequency range.

SCIENTIFIC REPORTS (2021)

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Proceedings Paper Computer Science, Interdisciplinary Applications

Simulation of droplet dispersion in COVID-19 type pandemics on Fugaku

Rahul Bale et al.

Summary: Transmission of infectious respiratory diseases through airborne dispersion of viruses poses a great risk to public health. This study presents a numerical framework for simulation of dispersion of respiratory sputum droplets and evaluates its performance through strong and weak scaling analysis.

PROCEEDINGS OF THE PLATFORM FOR ADVANCED SCIENTIFIC COMPUTING CONFERENCE (PASC '21) (2021)

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Article Engineering, Civil