Ahmad Tawab Abawi
Heat, Light, and Sound Research
12730 High Bluff Drive, Suite 130
San Diego, CA 92130
(858) 3366409, (858) 2281734 (Fax)
abawi@HLSResearch.com
1993 
Ph.D., Physics, University of California, San Diego

1988 
MS, Physics, University of California, San Diego

1984 
BS, Physics, University of California, Irvine

1983 
BS, Electrical Engineering, University of California, Irvine

Dec 2004Present 
Chief Scientist Heat, Light, and Sound Research Inc. Modeling of sound scattering from targets in a waveguide, Algorithm development, Propagation modeling, Signal processing. 
Oct 2003Dec 2004 
Senior Scientist Center for Ocean Research, Science Applications International Corporation. Algorithm development, Signal processing, Data analysis, Matched field processing. 
March 1995  May 1997 
Staff scientist AETC Inc, San Diego Signal processing, data analysis, modeling of scattering from submerged objects. 
December 1993June 1995 
Postgraduate researcher Marine Physical Laboratory, Scripps Institute of Oceanography, University of California, San Diego Propagation modeling, coupled mode theory, signal processing. 
19911992 
Member of technical staff Hughes Technology Center, Carlsbad, CA Monte Carlo methods in modeling of electron transport in semiconductors. 
19901991 
Member of technical staff Hughes Research Labs, Malibu, CA Computation of radar crosssection of finite objects and mechanical modeling using variational techniques. 
19831990 
Member of technical staff Hughes Technology Center, Carlsbad, CA Modeling and simulation of semiconductor and superconductor devices and computer code development. 

Ahmad T. Abawi, and Petr Krysl, “Coupled finite element/boundary element formulation of scattering from an elastic object in a layered medium”, J. Acoust. Soc. Am. 142 (6), 3637 (2017).
Ahmad T. Abawi, “Kirchhoff
scattering from nonpenetrable targets as an assembly
of triangular facets”,
J. Acoust.
Soc. Am. 140(3), 1878 (2016). Ahmad T. Abawi, “The use of the virtual source technique
in computing scattering from periodic ocean surface”,
J. Acoust. Am. 130(2), 683 (2011).
Ahmad T. Abawi, "An energyconserving oneway coupled mode propagation model", J. Acoust. Soc. Am. 111(1), Pt. 1, Jan. 2002.


N. O. Booth, P. W. Schey, A. T. Abawi and W. S. Hodgkiss , "Detection of lowlevel broadband signals using adaptive matchedfield processing with vertical aperture arrays", IEEE J. Oceanic Engineering, 25(3) July 1998


Ahmad T. Abawi and Roger F. Dashen, "The WKB solution of the wave equation for a plane angular sector", Physical Review E, 58(1):10511063, July 1998


Ahmad T. Abawi and Roger F. Dashen, "The scattering amplitude for a plane angular sector", Physical Review E, 56(2):21722180, August 1997.


Ahmad T. Abawi, W. A. Kuperman and Michael D. Collins, "Coupled mode parabolic equation", J. Acoust. Soc. Am., 102(1), 233238, July 1997.


Ahmad T. Abawi, Roger F. Dashen and Herbert Levine, "The eigenvalues of the Laplacian on sphere with boundary conditions specified on a segment of a great circle", Journal of Mathematical Physics , 38(3):16231649, March 1997.


Ahmad T. Abawi, Roger Dashen and Steve Wandzura, "Line integral formula for scattering of waves from a thin plate", Physical Review E, 521:12351237, 1995.


Ahmad T. Abawi, "The use of a new formula in calculation of scattering from sinusoidal surfaces", presented at the Shallow Water Acoustic Conference (SWAC97) in Beijing, China, April 1997.


G. Liao, A.F. Lawrence and Ahmad Abawi, "Noise and nonlinearities in (1+1)dimensional systems", Communications in Theoretical Physics, Vol. 16 No. 2, 195200, 1991.


Ahmad T. Abawi, "The bending of bonded layers due to thermal stress", Hughes Research Labs. Internal Memorandum (Feb. 1991)


Ahmad T. Abawi, "The use of variational principle in determining the equilibrium shape of solder joints", Hughes Research Labs. Internal Memorandum (Dec. 1990)


Ahmad T. Abawi, "Determination of the resonant frequencies of a conesphere by the method of moments", Hughes Research Labs. Internal Memorandum (Sep. 1990)


Ahmad T. Abawi, Ivars P. Kirsteins, Phillip L. Marston and Timothy D. Daniel, “Measuring the modal shape of elastic targets using modulated radiation pressure” , J. Acoust. Soc. Am. 146, 3019 (2019).
Ahmad T. Abawi, Ivars P. Kirsteins, Phillip L. Marston and Timothy D. Daniel, “Scattering from multiple elastic targets using the coupled finite element/boundary element method”, J. Acoust. Soc. Am. 144, 1810 (2018).
Ahmad T. Abawi, and Petr Krysl, “Coupled finite element/boundary element formulation of scattering from an elastic object in a layered medium”, J. Acoust. Soc. Am. 142 (6), 3637 (2017).
Ahmad T. Abawi, Ivars P. Kirsteins, Phillip L. Marston and Timothy D. Daniel, “On target excitation by modulated radiation pressure”, J. Acoust. Soc. Am. 142, 2498 (2017).
Ahmad T. Abawi, “Finite Element and Boundary Methods in Structural Acoustics and Vibration”, J. Acoust. Soc. Am. 141, 4300 (2017).
Ahmad T. Abawi, Petr Krysl, Aubrey España, Steve Kargl and Kevin Williams, “Modeling the acoustic response of elastic targets in a layered medium using the coupled finite element/boundary element method”, J. Acoust. Soc. Am. 140, 2968 (2016).
Ahmad T. Abawi, “Numerically exact threedimensional propagation”, J. Acoust. Soc. Am. 137, 2419 (2015).
Ahmad T. Abawi and Petr Krysl, “The fluid–structure interaction technique specialized to axially symmetric targets”, J. Acoust. Soc. Am. 136, 2086 (2014).
Ahmad T. Abawi and Ivars Kirsteins, “Acoustic radiation force. Part I: Finite element modeling for elastic objects”, J. Acoust. Soc. Am. 134, 4109 (2013).
Ahmad T. Abawi and Ivars Kirsteins, “Acoustic radiation force. Part II: Eigenmode excitation of a scaled target”, J. Acoust. Soc. Am. 134, 4110 (2013).
Ahmad T. Abawi and Paul Hursky, “The use of graphical processing unit in rough surface scattering”, J. Acoust. Soc. Am. 133, 3615 (2013).
Ahmad T. Abawi, Ivars Kirsteins and Daniel Plotnick, “An experimental study of driveby single channel time reversal using scaled targets and clutter”, J. Acoust. Soc. Am. 132, 2082 (2012).
Ahmad T. Abawi, “Low frequency scattering from elastic objects embedded in a waveguide by the finite element technique”, J. Acoust. Soc. Am. 129, 2486 (2011).
Ahmad T. Abawi, “Scattering from elastic objects in a waveguide using the finite element technique”, J. Acoust. Soc. Am. 128, 2292 (2010).
Ahmad T. Abawi and Michael B. Porter, “Scattering from rotationally‐symmetric objects using only free space Green's functions”, J. Acoust. Soc. Am. 123, 3466 (2008).
Ahmad T. Abawi, Michael B. Porter and Martin Siderius, “Modeling of glints due to surface curvature using the virtual source technique”, J. Acoust. Soc. Am. 119, 3310 (2006). 



















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