Sebastian Acosta

21 papers Journal 21
YearRankTypeTitle / Venue / Authors
2026 J jnl
Simultaneous Determination of Wave Speed, Diffusivity, and Nonlinearity in the Westervelt Equation Using Complex Time-Periodic Solutions.
SIAM J. Appl. Math.
Sebastian Acosta, Benjamín Palacios
2025 J jnl
A New Interpolated Pseudodifferential Preconditioner for the Helmholtz Equation in Heterogeneous Media.
SIAM J. Sci. Comput.
Sebastian Acosta, Tahsin Khajah, Benjamín Palacios
2025 J jnl
Clinical Features and Physiological Signals Fusion Network for Mechanical Circulatory Support Need Prediction in Pediatric Cardiac Intensive Care Unit.
IEEE J. Biomed. Health Informatics
Antonio Mendoza, Sebastian Tume, Kriti Puri, Sebastian Acosta, Joseph R. Cavallaro
2024 J jnl
A new interpolated pseudodifferential preconditioner for the Helmholtz equation in heterogeneous media.
CoRR
Sebastian Acosta, Tahsin Khajah, Benjamín Palacios
2024 J jnl
Pseudodifferential Models for Ultrasound Waves with Fractional Attenuation.
SIAM J. Appl. Math.
Sebastian Acosta, Jesse Chan, Raven Johnson, Benjamín Palacios
2023 J jnl
Method of virtual sources using on-surface radiation conditions for the Helmholtz equation.
CoRR
Sebastian Acosta, Tahsin Khajah
2023 J jnl
Pseudo-Differential Sweeping Method for Ultrasound Waves with Fractional Attenuation.
CoRR
Sebastian Acosta, Jesse Chan, Raven Johnson, Benjamín Palacios
2022 J jnl
High order local farfield expansions absorbing boundary conditions for multiple scattering.
J. Comput. Phys.
Vianey Villamizar, Jacob C. Badger, Sebastian Acosta
2022 J jnl
Nonlinear Ultrasound Imaging Modeled by a Westervelt Equation.
SIAM J. Appl. Math.
Sebastian Acosta, Gunther Uhlmann, Jian Zhai
2020 J jnl
A robust Fourier-based method to measure pulse pressure variability.
Biomed. Signal Process. Control.
Sebastian Acosta, Mubbasheer Ahmed, Suellen M. Yin, Ken M. Brady, Daniel J. Penny, Craig G. Rusin
2020 J jnl
A weight-adjusted discontinuous Galerkin method for wave propagation in coupled elastic-acoustic media.
J. Comput. Phys.
Kaihang Guo, Sebastian Acosta, Jesse Chan
2020 J jnl
High order methods for acoustic scattering: Coupling Farfield Expansions ABC with Deferred-Correction methods.
CoRR
Vianey Villamizar, Dane Grundvig, Otilio Rojas, Sebastian Acosta
2020 J jnl
Solvability for Photoacoustic Imaging with Idealized Piezoelectric Sensors.
CoRR
Sebastian Acosta
2019 J jnl
Local on-surface radiation condition for multiple scattering of waves from convex obstacles.
CoRR
Sebastian Acosta
2019 J jnl
Well-Posedness for Photoacoustic Tomography with Fabry-Perot Sensors.
SIAM J. Imaging Sci.
Sebastian Acosta
2017 J jnl
A computational study of the Fontan circulation with fenestration or hepatic vein exclusion.
Comput. Biol. Medicine
Charles Puelz, Sebastian Acosta, Beatrice Riviere, Daniel J. Penny, Ken M. Brady, Craig G. Rusin
2017 J jnl
High order local absorbing boundary conditions for acoustic waves in terms of farfield expansions.
J. Comput. Phys.
Vianey Villamizar, Sebastian Acosta, Blake Dastrup
2015 J jnl
Numerical method of characteristics for one-dimensional blood flow.
J. Comput. Phys.
Sebastian Acosta, Charles Puelz, Beatrice Riviere, Daniel J. Penny, Craig G. Rusin
2010 J jnl
Coupling of Dirichlet-to-Neumann boundary condition and finite difference methods in curvilinear coordinates for multiple scattering.
J. Comput. Phys.
Sebastian Acosta, Vianey Villamizar
2010 J jnl
Finite difference on grids with nearly uniform cell area and line spacing for the wave equation on complex domains.
J. Comput. Appl. Math.
Sebastian Acosta, Vianey Villamizar
2009 J jnl
Generation of smooth grids with line control for scattering from multiple obstacles.
Math. Comput. Simul.
Vianey Villamizar, Sebastian Acosta