Supershear shock front contribution to the tsunami from the 2018 Mw 7.5 Palu, Indonesia earthquake

F Amlani, HS Bhat, WJF Simons… - Geophysical Journal …, 2022 - academic.oup.com
Hazardous tsunamis are known to be generated predominantly at subduction zones.
However, the 2018 M w 7.5 Palu (Indonesia) earthquake on a strike-slip fault generated a …

[PDF][PDF] Convolution neural network shock detector for numerical solution of conservation laws

Z Sun - Communications in Computational Physics, 2020 - par.nsf.gov
We propose a universal discontinuity detector using convolution neural network (CNN) and
apply it in conjunction of solving nonlinear conservation laws in both 1D and 2D. The CNN …

An FC-based spectral solver for elastodynamic problems in general three-dimensional domains

F Amlani, OP Bruno - Journal of Computational Physics, 2016 - Elsevier
This paper presents a spectral numerical algorithm for the solution of elastodynamics
problems in general three-dimensional domains. Based on a recently introduced “Fourier …

An edge detector based on artificial neural network with application to hybrid compact-WENO finite difference scheme

X Wen, WS Don, Z Gao, JS Hesthaven - Journal of Scientific Computing, 2020 - Springer
A new approach is proposed to detect edges based on an artificial neural network (ANN).
Some elementary continuous and discontinuous functions interpolated in the polynomial …

A stable high-order FC-based methodology for hemodynamic wave propagation

F Amlani, NM Pahlevan - Journal of Computational Physics, 2020 - Elsevier
A high-order numerical algorithm is proposed for the solution of one-dimensional arterial
pulse wave propagation problems based on use of an accelerated “Fourier …

Enhanced robustness of the hybrid compact-WENO finite difference scheme for hyperbolic conservation laws with multi-resolution analysis and Tukey's boxplot …

Z Gao, X Wen, WS Don - Journal of Scientific Computing, 2017 - Springer
The high order shock detection algorithm employing the high order multi-resolution (MR)
analysis (Harten in J Comput Phys 49: 357–393, 1983) for identifying the smooth and non …

Robust second-order scheme for multi-phase flow computations

K Shahbazi - Journal of Computational Physics, 2017 - Elsevier
A robust high-order scheme for the multi-phase flow computations featuring jumps and
discontinuities due to shock waves and phase interfaces is presented. The scheme is based …

High-order finite difference scheme for compressible multi-component flow computations

K Shahbazi - Computers & Fluids, 2019 - Elsevier
This paper presents a high-order weighted essentially non-oscillatory (WENO) finite
difference scheme for compressible multi-fluid and multi-phase dynamics. The scheme …

Hybrid Fourier-continuation method and weighted essentially non-oscillatory finite difference scheme for hyperbolic conservation laws in a single-domain framework

P Li, Z Gao, WS Don, S Xie - Journal of Scientific Computing, 2015 - Springer
We investigate a hybrid Fourier-Continuation (FC) method (Bruno and Lyon, J Comput Phys
229: 2009–2033, 2010) and fifth order characteristic-wise weighted essentially non …

A Fourier-based methodology without numerical diffusion for conducting dye simulations and particle residence time calculations

F Amlani, H Wei, NM Pahlevan - Journal of Computational Physics, 2023 - Elsevier
Dye experimentation is a widely used method in experimental fluid mechanics for flow
analysis or for the study of the transport of particles within a fluid. This technique is …