Journal papers
- Pourahmadian F., Napal K. (2021). Poroelastic near-field inverse scattering. Journal of Computational Physics, under revision. (ArXiv preprint)
- Pourahmadian F., Yue H. (2021). Laboratory application of sampling approaches to inverse scattering. Inverse Problems, 37:055012. (ArXiv preprint) (url)
- Pourahmadian F. (2021). Experimental validation of differential evolution indicators for ultrasonic imaging in unknown backgrounds. Journal of Mechanical Systems and Signal Processing, 161:108029. (ArXiv preprint) (url)
- Pourahmadian F., Haddar H. (2021). Imaging in highly scattering solids. Proceedings of the Royal Society A, under review.
- Pourahmadian F., Haddar H. (2020). Differential tomography of micromechanical evolution in elastic materials of unknown micro/macrostructure. SIAM Journal on Imaging Sciences, 13(3):1302-1330. (ArXiv preprint) (url)
- De Teresa I., Pourahmadian F. (2018). Real-time imaging of interfacial damage in heterogeneous composites. SIAM Journal on Applied Mathematics, 78:2763-2790. (ArXiv preprint) (url)
- Pourahmadian F., Guzina B. B. (2018). On the elastic anatomy of heterogeneous fractures in rock. International Journal of Rock Mechanics and Mining Sciences, 109:259-268. (ArXiv preprint) (url)
- Pourahmadian F., Guzina B. B., Haddar H. (2017). A synoptic approach to the seismic sensing of heterogeneous fractures: From geometric reconstruction to interfacial characterization. Computer Methods in Applied Mechanics and Engineering 324:395-412. (ArXiv preprint) (url)
- Pourahmadian F., Guzina B. B., Haddar H. (2017). Generalized linear sampling method for elastic-wave sensing of heterogeneous fractures. Inverse Problems 33:055007. (ArXiv preprint) (url)
- Pourahmadian F. (2016). A holistic approach to seismic waveform tomography of heterogeneous fractures: From geometric reconstruction to interfacial characterization. University of Minnesota, Doctoral Thesis. (pdf) (url)
- Pourahmadian F., Guzina B. B. (2015). On the elastic-wave imaging and characterization of fractures with specific stiffness. International Journal of Solids and Structures 71:126-140. (pdf) (url)
- Guzina B. B., Pourahmadian F. (2015). Why the high-frequency inverse scattering by topological sensitivity may work. Proceedings of the Royal Society A 471:20150187. (pdf) (url)
- Pourahmadian F., Mogilevskaya S. G. (2015). Complex variables-based approach for analytical evaluation of boundary integral representations of three-dimensional acoustic scattering. Engineering Analysis with Boundary Elements 53:9-17. (pdf) (url)
- Pourahmadian F., Ahmadian H., Jalali H. (2012). Modeling and identification of frictional forces at a contact interface experiencing vibro-impacts. Journal of Sound and Vibration 331:2874-2886. (pdf) (url)
- Jalali H., Ahmadian H., Pourahmadian F. (2011). Identification of micro-vibro-impacts at the boundary condition of a nonlinear beam. Journal of Mechanical Systems and Signal Processing 25:1073-1085. (pdf) (url)
- Ahmadian H., Jalali H., Pourahmadian F. (2010). Nonlinear model identification of a frictional contact support. Journal of Mechanical Systems and Signal Processing 24:2844-2854. (pdf) (url)
Work in Progress
- Song J. W., Pourahmadian F. (2021). Laboratory application of the time-domain linear sampling method.
- Xu Y., Pourahmadian F. (2022). Physics-informed neural networks for wave-based characterization.
- Francis N. M., Pourahmadian F. (2022). On dynamic homogenization of micropolar waveguides.
- Song J. W., Pourahmadian F., Murray T. W. (2022). Laser ultrasonics in highly scattering backgrounds.
- Schmid A., Pourahmadian F., Doostan A. (2023). Bayesian model discovery of generalized continua with random microstructure.
Conference papers & technical presentations
- Pourahmadian F. (2021). Recent progress on inverse scattering in highly heterogeneous solids. 6th Annual Meeting of SIAM Central States, University of Kansas, KS.
- Pourahmadian F., Yue H. (2021). Experimental validation of differential evolution indicators. Engineering Mechanics Institute Conference, Virtual.
- Pourahmadian F. (2021). Data-driven characterization of mechanical systems. 14th World Congress on Computational Mechanics (WCCM XIV) and 8th European Congress on Computational Methods in Applied Science and Engineering (ECCOMAS 2020), Virtual.
- Pourahmadian F. (2020). Sampling-based approaches to laser ultrasonics. Society of Engineering Science Conference, Virtual.
- Napal K.,Pourahmadian F. (2020). Detection and quantification of small cracks aggregates using artificial backgrounds. Society of Engineering Science Conference, Virtual.
- Napal K., Haddar H., Chesnel L., Audibert L.,Pourahmadian F. (2020). Inverse scattering via artificial backgrounds. IRT Research Blitz & Celebration, University of Colorado Boulder, CO.
- Pourahmadian F. (2019). Waveform tomography in uncertain/unknown media. SIAM annual meeting on recent progress in wave phenomena, Laramie, WY.
- Pourahmadian F. (2019). Recent advances on imaging in complex media. Inverse Problems Seminar, Department of Mathematics, Colorado State University, CO.
- Pourahmadian F. (2019). Imaging in highly scattering composites. Review of Progress in Quantitative Nondestructive Evaluation, Portland, OR.
- Shakeri R.,Pourahmadian F. (2019). Poroelastic imaging of hydraulic fractures. Engineering Mechanics Institute Conference, Caltech, CA; and Hilf Lecture Series 2019, Boulder, Co.
- Pourahmadian F., Yue H. (2019). Differential imaging of evolution in elastic backgrounds with unknown microstructure. Engineering Mechanics Institute Conference, Caltech, CA.
- Pourahmadian F. (2018). Real-time imaging of microstructural damage in complex composites. International Mechanical Engineering Congress & Exposition, Pittsburgh, PA.
- Pourahmadian F. (2018). Real-time waveform tomography of damage precursors in complex composites. Review of Progress in Quantitative Nondestructive Evaluation, Burlington, VT.
- Pourahmadian F. (2018). 3D seismic waveform tomography of subsurface fractures. GRSG Oil and Gas Remote Sensing Workshop, University of Colorado Boulder, CO.
- Pourahmadian F. (2018). Differential imaging of evolution in elastic backgrounds with unknown microstructure. Colloquium, Applied Mathematics Department, University of Colorado Boulder, CO.
- Pourahmadian F. (2018). Next-generation sensing technologies for nondestructive evaluation of sensitive structures. United States Bureau of Reclamation, Denver, CO.
- Pourahmadian F. (2017). High-frequency inverse scattering by Topological Sensitivity. Nonlinear Waves Seminar, Applied Mathematics Department, University of Colorado Boulder, CO. (abstract)
- Pourahmadian F. (2017). Sounding of heterogeneous fractures in the subsurface. Nonlinear Waves Seminar, Applied Mathematics Department, University of Colorado Boulder, CO. (abstract)
- Pourahmadian F., Guzina, B. B., Haddar, H. (2017). Generalized linear sampling method for active imaging of subsurface fractures. WAVES 2017, Minneapolis, MN. (paper)
- Pourahmadian F. (2017). Real-time monitoring of heterogeneous fractures in rock: an experimental study. 51th US Rock Mechanics/Geomechanics Symposium, San Francisco, CA. (paper)
- Pourahmadian F. (2017). Active monitoring of fracturing in quasi-brittle solids: an experimental study. Engineering Mechanics Institute Conference, UC San Diego, CA. (abstract)
- Pourahmadian F., Guzina B. B. (2016). Active ultrasonic imaging and interfacial characterization of stationary and evolving fractures in rock. 50th US Rock Mechanics/Geomechanics Symposium, Houston, Texas. (paper)
- Pourahmadian F., Guzina B. B. (2016). Active Elastic-Wave Imaging of Heterogeneous Fractures: From Geometric Reconstruction to Interfacial Characterization. Engineering Mechanics Institute Conference, Vanderbilt University, Nashville. (abstract)
- Pourahmadian F., Guzina B. B., Haddar H. (2015). Active seismic imaging & characterization of fractures. CEGE Seminar, University of
Minnesota, Minneapolis. (talk)
- Pourahmadian F., Guzina B. B. (2015). A hybrid approach to active seismic imaging of fractures: geometric reconstruction & interface characterization. International Mechanical Engineering Congress and Exposition, Houston. (talk)
- Pourahmadian F., Tokmashev R. D., Risch P. A., Guzina B. B. (2015). Imaging and Characterization of Fracture Interface: An Experimental Study. Review of Progress in Quantitative Nondestructive Evaluation, Minneapolis. (talk)
- Pourahmadian F., Guzina B. B. (2015). Simultaneous recovery of fracture geometry and boundary condition at high frequencies. Engineering Mechanics Institute Conference, Stanford University. (talk)
- Pourahmadian F., Tokmashev R. D., Guzina B. B. (2015). On the Elastic-wave Imaging and Interfacial Characterization of Heterogeneous Fractures. IMA Hot Topics Workshop "hydraulic fracturing: from modeling and simulation to reconstruction and characterization", Institute of Mathematics and its Applications (IMA), Minneapolis. (poster)
- Guzina B. B., Pourahmadian F. (2014). Why the obstacle reconstruction by topological sensitivity may work. 11^{th} World Congress on Computational Mechanics (WCCM XI), Barcelona, Spain. (url)
- Guzina B. B., Pourahmadian F. (2013). Why the shape reconstruction by topological derivative may work. CEGE Seminar, University of
Minnesota, Minneapolis. (talk)
- Pourahmadian F., Guzina B. B. (2013). Why the shape reconstruction by topological sensitivity may work. International Conference on Novel
Directions in Inverse Scattering, University of Delaware. (talk)
- Pourahmadian F., Guzina B. B. (2013). Qualitative identification of the interfacial condition in cracks via the method of topological sensitivity. SES (ASME) 50^{th} Annual Technical Meeting, Brown University, Providence. (talk)
- Pourahmadian F., Ahmadian H., Jalali H. (2010). Identifying slip-slap forces in the contact interface using dual-mode excitation. International Conference on Noise and Vibration Engineering, Leuven, Belgium, pp 1235-1244. (pdf)
- Pourahmadian F., Jalali H., Ahmadian H. (2010). Identifying normal modes of a nonlinear system. 10^{th} International Conference on Recent Advances in Structural Dynamics, Southampton, UK. (pdf)