- M. Rahimi, C.M. Wood,
L.F. Kallivokas, A comparative study
of using geophysical methods for imaging subsurface voids of various
sizes and at different depths, Engineering Geology, 341, 107711,
2024
- B. Guidio, H. Goh, L.F. Kallivokas, C. Jeong,
On the reconstruction of the near-surface seismic motion, Soil Dynamics and Earthquake Engineering, 177, 108414,
2024
- H. Huh, H. Goh, J.W. Kang, S. Francois, L.F. Kallivokas,
Using the impulse-response pile data for soil characterization, Journal of Engineering Mechanics, 149(10), 04023078,
2023
- S. Koo, H. Goh, L.F. Kallivokas,
Wave-focusing to subsurface targets using a switching time-reversal
mirror, Soil Dynamics and Earthquake Engineering, 166, 107736,
2023
- K. Ma, H. Goh, and
L.F. Kallivokas,
Design of metasurfaces in 3D for omnidirectional band gaps: The scalar
wave case, Extreme Mechanics Letters, 57, 101922, 2022
- S. Francois, H. Goh, and
L.F. Kallivokas,
Corrigendum to "Non-convolutional second-order complex-frequency-shifted perfectly
matched layers for transient elastic wave propagation", Computer Methods
in Applied Mechanics and Engineering, 400, 115578, 2022
- V. Bhamidipati, L.F. Kallivokas, and G.J. Rodin,
The inverse problem for conducting defective lattices, Computer Methods in Applied Mechanics and Engineering, 393 , 114788, 2022
- V. Bhamidipati, L.F. Kallivokas, and G.J. Rodin,
Green's analysis of conducting lattices, Journal of Engineering Mathematics, 132:5, 2022
- S. Francois, H. Goh, and
L.F. Kallivokas,
Non-convolutional second-order complex-frequency-shifted perfectly
matched layers for transient elastic wave propagation, Computer Methods
in Applied Mechanics and Engineering, 377, 113704, 2021
- C-P. Yu , S-T. Liao, and
L.F. Kallivokas, An
extension of the mobility analysis of the impulse response method for
coupled pile-soil integrity testing, Journal of Earthquake
Engineering, 2020
- H. Goh and L.F. Kallivokas, Inverse
band gap design of elastic metamaterials for P and SV wave
control, Computer Methods in Applied Mechanics and Engineering,
370 (113263), 2020
- H. Goh and L.F. Kallivokas, Group
velocity-driven inverse metamaterial design, Journal of Engineering
Mechanics, 145(12):04019094, 2019
- H. Goh, S. Koo, and
L.F. Kallivokas, Resolution improving
filter for time-reversal (TR) with a switching TR mirror in a
halfspace, Journal of the Acoustical Society of America, 145(4),
2328-2336, 2019
- H. Goh and L.F. Kallivokas, Inverse
metamaterial design for controlling band gaps in scalar wave
problems, Wave Motion, 88, 85-105, 2019
- S. Kucukcoban, H. Goh and
L.F. Kallivokas, On the full-waveform
inversion of Lamé parameters in semi-infinite solids in plane
strain, International Journal of Solids and Structures, 164,
104-119, 2019
-
H. Mashayekh, L.F. Kallivokas and J.L. Tassoulas,
Parameter estimation in layered media using dispersion-constrained inversion,
Journal of Engineering Mechanics, 144(11):04918099, 2018
-
B. Poursartip and L.F. Kallivokas, Model
dimensionality effects on the amplification of seismic waves,
Soil Dynamics and Earthquake Engineering, 113, 572-592, 2018
-
B. Poursartip, A. Fathi, L.F. Kallivokas, Seismic wave
amplification by topographic features: a parametric study,
Soil Dynamics and Earthquake Engineering, 92, 503-527, 2017
-
P.M. Karve, A. Fathi, B. Poursartip,
L.F. Kallivokas, Source parameter
inversion for wave energy focusing to a target inclusion embedded in a
three-dimensional heterogeneous halfspace, International Journal for
Numerical and Analytical Methods in Geomechanics, 41, 1016-1037, 2017
-
C. Jeong and L.F. Kallivokas, An inverse-source problem for maximization of pore-fluid oscillation within poroelastic formations, Inverse Problems in Science and Engineering, 25(6), 832-863, 2017
-
S. Koo, P.M. Karve, L.F. Kallivokas, A
comparison of time-reversal and inverse-source methods for the optimal
delivery of wave energy to subsurface targets Wave Motion, 67,
121-140, 2016
-
A. Fathi, B. Poursartip, K.H. Stokoe II,
L.F. Kallivokas, Three-dimensional P-
and S-wave velocity profiling of geotechnical sites using
full-waveform inversion driven by field data, Soil Dynamics and
Earthquake Engineering, 87, 63-81, 2016
-
P.M. Karve, L.F. Kallivokas, L. Manuel, A framework for assessing the
uncertainty in wave energy delivery to targeted subsurface
formations, Journal of Applied Geophysics, 125, 26-36, 2016
-
C. Jeong, L.F. Kallivokas, S. Kucukcoban, W. Deng, A. Fathi,
Maximization of wave motion within a hydrocarbon reservoir for
wave-based enhanced oil recovery, Journal of Petroleum Science and
Engineering, 129, 205-220, 2015
-
A. Fathi, L.F. Kallivokas, B. Poursartip, Full-waveform inversion in
three-dimensional PML-truncated elastic media Computer Methods in
Applied Mechanics and Engineering, 296, 39-72, 2015
-
P.M. Karve and L.F. Kallivokas, Wave energy focusing to subsurface
poroelastic formations to promote oil mobilization, Geophysical
Journal International, 202, 119-141, 2015
-
P.M. Karve, S. Kucukcoban, L.F. Kallivokas, On an inverse source
problem for enhanced oil recovery by wave motion maximization in
reservoirs, Computational Geosciences, 19 (1), 233-256, 2015
-
S. Esmailzadeha, Z. Medina-Cetina, J.W. Kang, L.F. Kallivokas,
Varying dimensional Bayesian acoustic waveform inversion for 1D
semi-infinite heterogeneous media, Probabilistic Engineering
Mechanics, 39, 56-68, 2015
-
A. Fathi, B. Poursartip and
L.F. Kallivokas, Time-domain hybrid
formulations for wave simulations in three-dimensional PML-truncated
heterogeneous media, International Journal for Numerical
Methods in Engineering, 101 (3), 165-198, 2015
-
A. Pakravan, J.W. Kang, C.M. Newtson and L.F. Kallivokas, Hybrid
perfectly-matched-layers for transient simulation of scalar waves,
Structural Engineering and Mechanics, 51 (4), 685-705, 2014
-
L.F. Kallivokas, A. Fathi, S. Kucukcoban, K.H. Stokoe II, J. Bielak,
O. Ghattas, Site characterization using
full waveform inversion, Soil Dynamics and Earthquake Engineering,
47, 62-82, 2013
-
S. Kucukcoban and L.F. Kallivokas, A symmetric
hybrid formulation for transient wave simulations in PML-truncated
heterogeneous media, Wave Motion, 50(1), 57-79, 2013
-
D. Assimaki, L.F. Kallivokas, J.W. Kang, W. Li, S. Kucukcoban,
Time-domain forward and inverse modeling of lossy soils with
frequency-independent Q for near-surface applications, Soil Dynamics
and Earthquake Engineering, 43, 139-159, 2012
-
L.F. Kallivokas, S-W. Na, O. Ghattas,
B. Jaramaz, Assessment of a fictitious domain
method for patient-specific biomechanical modeling of press-fit
orthopaedic implantation, Computer Methods in Biomechanics and
Biomedical Engineering, 15(2), 501-516, 2012
-
C. Jeong, C. Huh, L.F. Kallivokas, On the
feasibility of inducing oil mobilization in existing reservoirs via
wellbore harmonic fluid action, Journal of Petroleum Science and
Engineering, 76, 116-123, 2011
-
J.W Kang and L.F. Kallivokas, The inverse medium problem in
PML-truncated domains using scalar probing waves, Computer Methods
in Applied Mechanics and Engineering, 200 (1-4), 265-283, 2011
-
S. Kucukcoban and L.F. Kallivokas, Mixed
perfectly-matched-layers for direct transient analysis in 2D
heterogeneous media, Computer Methods in Applied Mechanics and
Engineering, 200 (1-4), 57-76, 2011
-
P.M. Karve, S-W. Na, J.W. Kang, L.F. Kallivokas, The inverse
medium problem for Timoshenko beams and frames: damage detection and
profile reconstruction in the time-domain, Computational
Mechanics, 47, 117-136, 2011
-
H. Yi, J. Bielak, L.F. Kallivokas, A mixed symmetric BEM for
multi-domain, multi-material, and crack interface problems in
elastostatics, Recent Developments in Boundary Elements,
E.J. Sapountzakis, editor, WIT Press, 349-363, 2010
-
C. Jeong, C. Huh, L.F. Kallivokas, L.W. Lake, Optimization of
sources for focusing wave energy in targeted formations, Journal
of Geophysics and Engineering, 7, 242-256, 2010
-
S. Kucukcoban and L.F. Kallivokas, A mixed perfectly-matched-layer
for transient wave simulations in axisymmetric elastic media,
Computer Modeling in Engineering & Sciences, 64(2), 109-146,
2010
-
J.W. Kang and L.F. Kallivokas, The inverse medium problem in
1D PML-truncated heterogeneous semi-infinite domains, Inverse
Problems in Science and Engineering, 18(6), 759-786, 2010
-
J.W. Kang and L.F. Kallivokas, Mixed unsplit-field
perfectly-matched-layers for transient wave propagation in
heterogeneous domains, Computational Geosciences, 14, 623-648,
2010
-
C. Jeong, S-W. Na, L.F. Kallivokas, Near-surface localization
and shape identification of a scatterer embedded in a halfplane using
scalar waves, Journal of Computational Acoustics, 17 (3), 277-308,
2009
-
S-W. Na and L.F. Kallivokas, Direct time-domain soil profile
reconstruction for one-dimensional semi-infinite domains, Soil
Dynamics and Earthquake Engineering, 29, 1016-1026, 2009
-
J.W. Kang and L.F. Kallivokas, Total wavefield-based inversion
in PML-truncated domains, Journal of Physics: Conference Series,
135, 1-8 (DOI: 10.1088/1742-6596/135/1/012055), 2008
-
C. Jeong and L.F. Kallivokas, Inverse scatterer reconstruction
in a halfplane using surficial SH line sources, Computer Modeling
in Engineering & Sciences, 35 (1), 49-71, 2008
-
S-W. Na and L.F. Kallivokas, Continuation schemes for shape
detection in inverse acoustic scattering problems, Computer
Modeling in Engineering & Sciences, 35 (1), 73-90, 2008
-
S-W. Na and L.F. Kallivokas, On the inverse problem of soil
profile reconstruction - A comparison of time-domain approaches,
Computational Mechanics, 42 (6), 921-942, 2008
-
S-W. Na and L.F. Kallivokas, Partial-differential-equation-constrained amplitude-based
shape detection in inverse acoustic scattering, Computational
Mechanics, 41 (4), 579-594, 2008
-
L.F. Kallivokas, T. Juneja, J. Bielak, A symmetric Galerkin
BEM variational framework for multi-domain interface problems,
Computer Methods in Applied Mechanics and Engineering, 194 (34-35),
3607-3636, 2005
-
V. Akcelik, J. Bielak, G. Biros, I. Epanomeritakis, O. Ghattas,
L.F. Kallivokas, E.J. Kim, A framework for online inversion-based
3D site characterization, in Lecture Notes in Computer Science,
Computational Science, Vol 3038/2004, 717-724, 2004
-
L.F. Kallivokas and S. Lee, Local absorbing boundaries of
elliptical shape for scalar waves, Computer Methods in Applied
Mechanics and Engineering, 193 (45-47), 4979-5015, 2004
-
L.F. Kallivokas and S. Lee, Ellipsoidally-shaped local
absorbing boundaries for three-dimensional scalar wave
propagation, Computational Mechanics, 35 (1), 11-23 , 2004
-
S. Lee and L.F. Kallivokas, Local absorbing boundaries of
elliptical shape for scalar wave propagation in a half-plane,
Finite Elements in Analysis and Design, 40 (15), 2063-2084, 2004
-
N.G. Pnevmatikos, L.F. Kallivokas, C.J. Gantes, Feed-forward
control of active variable stiffness systems for mitigating seismic
hazard in structures, Engineering Structures, 26 (4), 471-483,
2004
-
A.M. Al-Khaleefi, A. Ali, C. Rajakumar,
L.F. Kallivokas, Acoustic analysis with absorbing finite elements
and far-field computations using free-space Green's functions,
Engineering Analysis with Boundary Elements, 26, 929-937, 2002
-
M. Aeschlimann, P.A. Dinda, L.F. Kallivokas, J. Lopez, B. Lowekamp,
D.R. O'Hallaron, Preliminary report on
the design of a framework for distributed visualization, Parallel
and Distributed Processing Techniques and Applications (PDPTA99),
pp. 1833-1839, Las Vegas, NV, August 1999
-
H. Bao, J. Bielak, O. Ghattas, L.F. Kallivokas, D.R. O'Hallaron,
J.R. Shewchuk, J. Xu, Large-scale simulation of elastic wave
propagation in heterogeneous media on parallel computers, Computer
Methods in Applied Mechanics and Engineering, 152 (1-2), 85-102,
1998
-
L.F. Kallivokas, J. Bielak, R.C. MacCamy, A simple
impedance-infinite element for the finite element solution of the
three-dimensional wave equation in unbounded domains, Computer
Methods in Applied Mechanics and Engineering, 147, 235-262, 1997
-
L.F. Kallivokas, A. Tsikas, J. Bielak, On transient
three-dimensional absorbing boundary conditions for the modeling of
acoustic scattering from near-surface obstacles, Journal of
Computational Acoustics, 5 (1), 117-136, 1997
-
H. Bao, J. Bielak, O. Ghattas, D.R. O'Hallaron, L.F. Kallivokas,
J.R. Shewchuk, J. Xu, Earthquake ground
motion modeling on parallel computers, Proceedings of the 1996
ACM/IEEE conference on Supercomputing (distributed on CD-ROM),
Pittsburgh, PA, November 1996
-
L.F. Kallivokas and J. Bielak, A time-domain impedance element
for FEA of axisymmetric exterior structural acoustics, ASME
Journal of Vibration and Acoustics, 117, 145-151, 1995
-
L.F. Kallivokas and J. Bielak, Time-domain analysis of
transient structural acoustics problems based on the finite element
method and a novel absorbing boundary element, Journal of the
Acoustical Society of America, 94 (6), 3480-3492, 1993
-
L.F. Kallivokas and J. Bielak, An element for the analysis of
transient exterior fluid-structure interaction problems using the
FEM, Finite Elements in Analysis and Design, 15, 69-83, 1993
-
X. Zeng, L.F. Kallivokas, J. Bielak, A symmetric variational
finite element-boundary integral equation coupling method,
Computers & Structures, 46 (6), 995-1000, 1993
-
X. Zeng, L.F. Kallivokas, J. Bielak, Stable localized
symmetric integral equation method for acoustic scattering
problems, Journal of the Acoustical Society of America, 91 (5),
2510-2518, 1992
-
L.F. Kallivokas, J. Bielak, R.C. MacCamy, Symmetric local
absorbing boundaries in time and space, ASCE Journal of
Engineering Mechanics, 117 (9), 2027-2048, 1991
-
J.T. Katsikadelis and L.F. Kallivokas, Plates on biparametric
elastic foundation by BDIE method, ASCE Journal of Engineering
Mechanics, 114 (5), 847-875, 1988
-
J.T. Katsikadelis and L.F. Kallivokas, Clamped plates on
Pasternak-type elastic foundation by the boundary element method,
ASME Journal of Applied Mechanics, 53 (4), 909-917, 1986
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