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BEGIN:VEVENT
DTSTAMP:20210916T132450Z
LOCATION:Louis Favre
DTSTART;TZID=Europe/Stockholm:20210706T153000
DTEND;TZID=Europe/Stockholm:20210706T160000
UID:submissions.pasc-conference.org_PASC21_sess125_msa343@linklings.com
SUMMARY:Dispersive Tsunami-HySEA Model for Faster Than Real Time Tsunami S
imulations
DESCRIPTION:Minisymposium\n\nDispersive Tsunami-HySEA Model for Faster Tha
n Real Time Tsunami Simulations\n\nEscalante, Castro, Macías\n\nThis work
aims to develop and implement a numerical model, including dispersion suit
able for tsunami simulations. Therefore, including more physics but still
computing much Faster than Real-time. The main problem is that state-of-th
e-art dispersive models do not have a hyperbolic character, such as the st
andard Shallow Water equations. In practice, that forces to solve a linear
system at each time step of the simulation (see [2,3]), otherwise a restr
ictive CFL condition must be considered, losing the computational efficien
cy. We will present a latitude-longitude coordinate formulation to account
for the effects of curvature, and we have proposed a dispersive model tha
t is hyperbolic following ideas described in [1]. We will show some simula
tions on real test cases and computational times using GPU architectures t
hat show promising results with excellent computational efficiency.

[
1] C. Escalante, M. Dumbser, M. Castro, An efficient hyperbolic relaxation
system for dispersive non-hydrostatic water waves and its solution with h
igh order discontinuous galerkin schemes, Journal of Computational Physics
394 (2019) 385 – 416.

[2] C. Escalante, T. Morales, M. Castro
, Non-hydrostatic pressure shallow flows: Gpu implementation using finite
volume and finite difference scheme, Applied Mathematics and Computation (
2018) 631–659.

[3] Y. Yamazaki, Z. Kowalik, K. Cheung, Depth-i
ntegrated, non-hydrostatic model for wave breaking and run-up, Numerical M
ethods in Fluids 61 (2008) 473–497.\n\nDomain: CS and Math, Solid Ea
rth Dynamics
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