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2004
W. Chen and S. Holm. "Fractional Laplacian Time-Space Models for Linear and Nonlinear Lossy Media Exhibiting Arbitrary Frequency Dependency." The Journal of the Acoustical Society of America 114 (2004): 1424-1430.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. Mathematics in Medicine: Mathematical and Numerical Modeling of a Clinical Technique for Breast Cancer Detection In Invited talk, International Conference on Mathematics and its Applications, Department of Mathematics and Computer Science., 2004.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. Modified Fractional Derivative Model for the Attenuation in Human Soft Tissue: First Numerical Experiments. Simula Research Laboratory, 2004.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. "Quantification of the CARI Breast Imaging Sensitivity by 2D/3D Numerical Time-Domain Ultrasound Wave Propagation." Mathematics and Computers in Simulation 65 (2004): 521-534.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. "Sensitivity of the Ultrasonic CARI Technique for Breast Tumor Detection Using a FETD Scheme." Ultrasonics 42 (2004): 919-925.
2003
Y. C. Benny and W. Chen. "Boundary Knot Method for 2D and 3D Helmholtz and Convection-Diffusion Problems With Complicated Geometry." Int. J. Numer. Meth. Eng. 56 (2003): 1931-1948.
A. Bounaim, S. Holm, W. Chen, Å. Ødegård, A. Tveito and K. Thomenius. FETD Simulation of Wave Propagation Modeling the CARI Breast Sonography In Proceedings of ICCSA2003, International Conference on Computational Science and its Applications. Lecture Notes in Computer Science. Montreal, Canada, 2003.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. Focusing of Ultrasonic Waves: Description and FE Simulations for a Breast Imaging Technique. Simula Research Laboratory, 2003.
W. Chen and S. Holm. Fractional Calculus Equation Models and Lévy Stable Distribution for Lossy Media Obeying a Frequency Power Law In Seminar on Modelling, Analysis and Numerical Solution of Problems with Memory and After-Effect. Chester, UK, 2003.
W. Chen and S. Holm. Fractional Derivative Mathematical and Numerical Modelling of Acoustic Attenuations Obeying Arbitrary Frequency Power Law In Proceedings of the Sixth International Conference on Theoretical & Computational Acoustics. Honolulu, USA, 2003.
W. Chen, A. Bounaim, X. Cai, S. Holm, A. Tveito and Å. Ødegård. Mathematical and Numerical Modeling of Medical Ultrasound Wave Propagation In Invited talk to MACSI-Workshop for Numerical Simulations for Ultrasound Imaging and Inversion, St. Georgen, Austria, pages 8-13., 2003.
W. Chen and S. Holm. "Modified Szabo's Wave Equation Models for Lossy Media Obeying Frequency Power Law." The Journal of the Acoustical Society of America 114 (2003): 2570-2584.
W. Chen and Y. C. Benny. "Numerical Convergence of Boundary Knot Method in the Analysis of Helmholtz, Modified Helmholtz, and Convection-Diffusion Problems." Comput. Methods Appl. Mech. Engrg 192 (2003): 1859-1875.
W. Chen and S. Holm. Positive Fractional Time Derivative Modeling of Frequency Dependent Acoustic Dissipation In Proceedings of International Carpathian Control Conference. Slovakia, 2003.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. Sensitivity of the Ultrasonic CARI Technique for Breast Tumor Detection Using a FETD Scheme In Ultrasonics International. Granada, Spain, 2003.
A. Bounaim, S. Holm, W. Chen and Å. Ødegård. Simulation of the Breast Imaging CARI Technique by a FETD Approximation of Ultrasound Wave Propagation In Proceedings of World Congress on Ultrasonics. Paris, France, 2003.
W. Chen. Solving Possion Equations by Boundary Knot Method In Extended Abstract of International Workshop on Meshfree Methods, Lisbon, Portugal., 2003.
2002
W. Chen. Distance Function Wavelets - Part I: Helmholtz and Convection-Diffusion Transforms and Series In CoRR preprint., 2002.
W. Chen. Distance Function Wavelets - Part II: Extended Results and Conjectures In CoRR preprint., 2002.
W. Chen. Distance Function Wavelets - Part III: "Exotic" Transforms and Series In CoRR preprint., 2002.
W. Chen, S. Holm, A. Bounaim, Å. Ødegård and A. Tveito. Frequency Decomposition Time-Domain Model of Broadband Frequency-Dependent Absorption In The 9th Workshop of the Finite Element Method in Biomedical Engineering, Biomechanics and Related Fields. Ulm, Germany, 2002.
W. Chen. "High-Order Fundamental and General Solutions of Convection-Diffusion Equation and Their Applications With Boundary Particle Method." Eng. Anal. Bound. Elem. 26 (2002): 571-575.
W. Chen. Kernel and Wavelets RBFs Based on Fundamental and General Solutions of Partial Differential Equations In The Fifth International Conference of Curves & Surfaces. France, 2002.
W. Chen. "Meshfree Boundary Particle Method Applied to Helmholtz Problems." Eng. Anal. Bound. Elem. 26 (2002): 577-581.
W. Chen and M. Tanaka. "A Meshless, Integration-Free, and Boundary-Only RBF Technique." Computers & Mathematics with Applications 43 (2002): 379-391.

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