publication page

published

My main works

Nagaso M. Study of ultrasound wave propagation in a heterogeneous fluid medium for the monitoring of an operating sodium-based nuclear reactor (Doctoral dissertation, Université d’Aix Marseille).

Nagaso M, Komatitsch D, Moysan J, Lhuillier C. Numerical simulation of ultrasonic wave propagation in a sodium cooling system in an inhomogeneous temperature field using the spectral-element method. In19th World Conference on Non-Destructive Testing 2016 Jun 13.

Nagaso M, Komatitsch D, Moysan J, Lhuillier C. Wave propagation simulation in the upper core of sodium-cooled fast reactors using a spectral-element method for heterogeneous media. 8th ANNIMA, 170:03006, 2018.

Nagaso M, Mizuno K, Asada A, Kobayashi K, Matsukawa M. Development of the three-dimensional visualization method for the inner structure of small size fish using 25 MHz acoustic profile measurement. In2013 OCEANS-San Diego 2013 Sep 23 (pp. 1-4). IEEE.

Nagaso M, Mizuno K, Asada A, Kobayashi K, Matsukawa M. Experimental and Finite-Difference Time-Domain Simulation Study of the Precise Measurement of the Gonad of a Small Fish Using a 25-MHz Acoustic Focus Probe. Marine Technology Society Journal. 2015 Sep 1;49(5):31-7.

Nagaso M, Moysan J, Benjeddou S, Massacret N, Ploix MA, Komatitsch D, Lhuillier C. Ultrasonic thermometry simulation in a random fluctuating medium: Evidence of the acoustic signature of a one-percent temperature difference. Ultrasonics. 2016 May 1;68:61-70.

Nagaso M, Moysan J, Lhuillier C, Komatitsch D. Four dimensional wave propagation simulation in liquid metal with realistic thermal fluctuation. Ultrasonics. 2021.

Nagaso M, Moysan J, Lhuillier C, Jeannot JP. Simulation of Fluid Dynamics Monitoring Using Ultrasonic Measurements. Applied Sciences. 2021 Jan;11(15):7065.

will be published soon

(will be submitted soon)
M. Nagaso and V. Monteiller. I/o optimization of a very matured numerical code specfem3d by asynchronous i/o server implementation towards a scalable i/o on exascale high performance computing machines. The International Journal of High Performance Computing Applications, 2021.

My codes’ outcomes

J. Chen, G. Chen, M. Nagaso, and P. Tong. Adjoint-state traveltime tomography for azimuthally anisotropic media in spherical coordinates. Geophysical Journal International, 234(1):712–736, 03 2023.

J. Chen, M. Nagaso, and P. Tong. Tomoatt: A software package of adjoint-state traveltime tomography for imaging subsurface velocity heterogeneity and seismic anisotropy. In EGU General Assembly. 2023.

P. Tong, J. Chen, M. Nagaso, and S. Hao. Adjoint-state traveltime tomography: A new modality of seismic imaging. In EGU General Assembly. 2023.

Y. Bai, M. Ramdhan, S. Yang, T. Li, J. Chen, M. Nagaso, and P. Tong. Adjoint-state traveltime tomography in central java enhanced by a machine-learning-assisted catalog. In EGU General Assembly. 2023.

A. Folch and 94 others. The eu center of excellence for exascale in solid earth (cheese): Implementation, results, and roadmap for the second phase. Future Generation Computer Systems, 2023.

P. Tong, M. Nagaso, and Chen J. Tomoatt: A new open-source traveltime tomography package for subsurface velocity heterogeneity and seismic anisotropy. In AGU Fall meeting. 2022.