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Center for Scientific Computation and Mathematical Modeling

 

Research Activities > ProgramsHigh Frequency Wave Propagation

High Frequency Wave Propagation

September 19 - September 22, 2005

CSIC Building (#406), Seminar Room 4122.
Directions: home.cscamm.umd.edu/directions


This workshop is part of the series of events celebrating the 150th anniversary of the University of Maryland

 

Monday, September 19

9:00 - 9:25

COFFEE

MORNING SESSION
Chair:   Eitan Tadmor (University of Maryland)
 

9:25 - 9:30

Eitan Tadmor (CSCAMM)
Welcoming Remarks

9:30 - 10:10


Bj÷rn Engquist (University of Texas, Austin)
Tutorial: "A Survey of Computational High Frequency Wave Propagation I"

10:15 - 10:55


Olof Runborg (Royal Institute of Technology, KTH)
Tutorial: "A Survey of Computational High Frequency Wave Propagation II"

11:00 - 11:30

COFFEE BREAK

11:30 - 12:10


Gregory Eskin (University of California, Los Angeles)
"Inverse Hyperbolic Problems with the Boundary Data on the Part of the Boundary"

12:15 - 2:00

LUNCH  (hosted by CSCAMM)


AFTERNOON SESSION
 

Chair: Shi Jin (University of Wisconsin)
 

2:00 - 2:40


James Ralston (University of California, Los Angeles)
Tutorial: "Gaussian Beams I"

2:45 - 3:25
James Ralston (University of California, Los Angeles)
Tutorial: "Gaussian Beams II"

3:30 - 4:00 COFFEE BREAK
4:00 - 4:40
Peter Monk (University of Delaware)
"The Numerical Solution of Time-Harmonic Acoustic and Electromagnetic Scattering Problems by the Ultra Weak Variational Formulation"

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Tuesday, September 20

9:00 - 9:30

COFFEE


MORNING SESSION
 

Chair: Franšois Castella (UniversitÚ de Rennes 1)
 

9:30 - 10:10


Shi Jin (University of Wisconsin)
"Hamiltonian-preserving schemes for the Liouville equation with discontinuous potentials"

10:15 - 10:55



Olof Runborg (Royal Institute of Technology, KTH)
"A Fast Phase Space Method for Computing Creeping Rays"

11:00 - 11:30

COFFEE BREAK

11:30 - 12:10


Hailiang Liu (Iowa State University)
"Computational High-Frequency Wave Propagation Using the Level Set Method"

12:15 - 2:00

LUNCH BREAK


AFTERNOON SESSION
 

Chair: Hongkai Zhao (University of California, Irvine)
 

2:00 - 2:40


Franšois Castella (UniversitÚ de Rennes 1)
"High-frequency Behaviour of the Helmholtz Equation: Radiation Condition at Infinity, Bounds, and a Counter-example"

2:45 - 3:25


Vladimir Oliker (Emory University)
"High Frequency Wave Propagation and Discrete Geodesics"

3:30 - 4:00 COFFEE BREAK
4:00 - 4:40
Stephen Langdon (University of Reading)
"High Frequency Scattering by Convex Polygons"

4:45 - 5:15
James Sethian (University of California, Berkeley)
"Escape Equation Methods for Multiple Arrivals"


EVENING ACTIVITIES

 
6:30 DINNER AT FRANKLIN'S RESTAURANT

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Wednesday, September 21

9:00 - 9:30

COFFEE


MORNING SESSION
 

Chair: Dave Levermore (University of Maryland)
 

9:30 - 10:10


Oscar Bruno
(California Institute of Technology)
"New High-order, High-frequency Methods in Computational Electromagnetism"

10:15 - 10:55


Robert Burkholder (Ohio State University)
"Asymptotic Phasefront Extraction of High Frequency Wave Components from a Numerical Mesh"

11:00 - 11:30

COFFEE BREAK

11:30 - 12:10


Emmanuel Candes (California Institute of Technology)
"The Phase Flow Method"

12:15 - 2:00

LUNCH  (hosted by CSCAMM)


AFTERNOON SESSION
 

FREE AFTERNOON
 
EVENING ACTIVITIES  
6:00pm

1410 Physics Lecture Hall
In celebration of the international World Year of Physics

The Story Behind The World's Most Famous Equation, E=MC2

A screening of the NOVA docudrama "Einstein's Big Idea" and a Q&A session with Professor S. James Gates and Ms. Paula Aspell

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Thursday, September 22

9:00 - 9:30

COFFEE


MORNING SESSION
 

Chair: Bj÷rn Engquist (University of Texas, Austin)
 

9:30 - 10:10


Lenya Ryzhik (University of Chicago)
"Random Geometrical Optics - From Waves to Diffusion"

10:15 - 10:55


Guillaume Bal (Columbia University)
"Radiative Transfer Equations and Applications"

11:00 - 11:30

COFFEE BREAK

11:30 - 12:10


Hongkai Zhao (University of California, Irvine)
"Imaging Using Time Reversal of Waves"

12:15 - 2:00

LUNCH BREAK


AFTERNOON SESSION
 

Chair: Hailiang Liu (Iowa State University)
 

2:00 - 2:40


Jean-David Benamou (INRIA, France)
"A Semi-Lagrangian Numerical Method for Geometric Optics Type Problems"

2:45 - 3:25


Jianliang Qian (Wichita State University)
"High Frequency Transmission Travel-time Tomography Based on Eikonal Equations"

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