## Research Publications

**2012**

- S. Mathur, L. Sun, S. Das, and J. Murthy, “Application of immersed boundary method to fluid, structure and electrostatics interaction in MEMS,” Journal of Numerical Heat Transfer, July 2012 (Accepted).
- R. Tung, R.C. Garg, A. Kovacs, D. Peroulis, and A. Raman, “Multi-modal structural parameter estimation estimating residual stress, curvature, and boundary compliance of double clamped MEMS beams from multiple Eigenmode measurements,” Journal of Micromechanics and Microengineering, July 2012 (Submitted).
- R. Tung and A. Raman, “Dynamic force spectroscopy of nanoscale contacts in Microsystems,” Applied Physics Letters, July 2012 (Submitted).
- R. Tung, A. Fruehling, A. Peroulis, and A. Raman, "Dynamic bounce phenomena in RF MEMS switches- PART II: multiple timescales and modeling,” Journal of MEMS, July 2012 (Submitted).
- P.R. Cantwell, H. Kim, M.M. Schneider, H. Hsu, D. Peroulis, E.A. Stach, and A. Strachan, “Estimating the in-plane young’s modulus of polycrystalline films in MEMS,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 21 (4) pp. 840-849, August 2012. DOI: 10.1109/JMEMS.2012.2191939
- L. Cao and M. Koslowski, “Uncertainty quantification of yield stress prediction in nanocrystalline Nickel,” The Minerals, Metals and Materials Society Annual Meeting, Lake Buena Vista, FL, March, 2012.
- S. Chigullapalli, A.B.Weaver, and A. Alexeenko, "Non-linear effects in squeeze-film gas damping on microbeams," Journal of Micromechanics and Microengineering, Vol. 22 (6) 065010, June 2012. DOI: 10.1088/0960-1317/22/6/065010
- S. Das, S.R. Mathur, and J.Y. Murthy, "Finite volume method for structural analysis of RF MEMS devices using the theory of plates," Numerical heat Transfer B: Fundamentals, Vol. 61 (2), pp. 1-21, 2012. DOI: 10.1080/10407790.2011.630949
- S. Das, M. Koslowski, S.R. Mathur, and J.Y. Murthy, "Finite volume method for simulation of creep in RF MEMS devices," Numerical Heat Transfer B: Fundamentals, Vol. 61 (2), pp. 71-90, 2012. DOI: 10.1080/10407790.2012.646170
- A. Jain, P. Nair and M. A. Alam, "Flexure-FET biosensor to break the fundamental sensitivity limits of nanobiosensors using nonlinear electromechanical coupling," PNAS 2012, Vol. 109 (24) 9304-9308 DOI: 10.1073/pnas.1203749109
- A. Jain, S. Palit and M.A. Alam, "A physics-based predictive modeling framework for dielectric charging and creep in RF MEMS capacitive switches and varactors," Microelectromechanical Systems, Vol. 21 (2) pp. 420-430, April 2012 - doi:10.1109/JMEMS.2011.2174418
- M. Koslowski, “Strengthening of metals by microstructural constraints,” Plasticity 2012, San Juan, Puerto Rico, January 3-8 2012.
- M. Koslowski, “Deformation mechanisms in nano and ultrafine crystalline Nickel,” The Minerals, Metals and Materials Society Annual Meeting, Lake Buena Vista, FL, March, 2012.
- M. Koslowski and Y. Xie, “Effects of grain size distribution on plastic strain recovery,” The Minerals, Metals and Materials Society Annual Meeting, Lake Buena Vista, FL, March, 2012.
- M. Kulakhmetov and A. Alexeenko, "Model uncertainties in simulations of hypersonic leading-edge flow," Journal of Spacecraft and Rockets, Vol. 49, (3), May-June 2012, pp. 461-473. DOI: 10.2514/1.A32081
- L. Lei and M. Koslowski, “Dislocations in confined volumes,” The Minerals, Metals and Materials Society Annual Meeting, Lake Buena Vista, FL, March, 2012
- J.Y. Murthy and S. Mathur, "Computational heat transfer in complex systems," ASME Journal of Heat Transfer, Vol. 134 (3), 031016, March 2012. DOI: 10.1115/1.4005153
- S. Palit and M. A. Alam, "Theory of charging and charge transport in `intermediate' thickness dielectrics and its implications for characterization and reliability", Journal of Applied Physics 111, 054112 (2012), DOI:10.1063/1.3691962
- S. Palit, A. Jain and M.A. Alam, "A non-obtrusive technique to characterize dielectric charging in RF-MEMS capacitive switches," Reliability Physics Symposium Proceedings, 2012. 50th Annual, IEEE International
- N. Raghunathan, B. Sanborn, A. Venkattraman, A. Alexeenko, W. Chen and D. Peroulis, "Real-time in Situ electronic monitoring of dynamic contact behavior of MEMS high-g switches," Proceedings of International Conference on Mcroelectromechanical Systems (MEMS 2012), January 29-February 1, 2012, Paris, France.
- R. A. Sayer, J. Zeng, H Hsu, D. Peroulis, and T.S. Fisher, "Thermal and electrical conductivities of Nanocrystalline Nickel Microbridges," Journal of Microelectromechanical Systems, 2012, DOI: 10.1109/JMEMS.2012.2191938
- S. Scott, J.I. Kim, F. Sadeghi, and D. Peroulis, “An analytical capacitance model of temperature-sensitive, large-displacement multimorph cantilevers: numerical and experimental validation,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 21, pp. 161-170, Feb. 2012.

DOI: 10.1109/JMEMS.2011.2171323 - A. Venkattraman, A. Garg, D. Peroulis, and A. Alexeenko, "Direct measurements and numerical simulations of gas charging in MEMS capacitive switches", Applied Physics Letters, Vol. 100 (8), 083503, 2012, DOI: 10.1063/1.3688176
- K. G. Vishnu and A. Strachan, “Size effects in NiTi from density functional theory calculations,” Physical Review B 85, 014114 (2012)

DOI: 10.1103/PhysRevB.85.014114

**2011**

- Y. Ling and S. Mahadevan, "Quantitative model validation techniques: new insights," Reliability Engineering and System Safety, June 2011.
- R. A. Sayer, E. S. Piekos, and L. M. Phinney, "Modified data analysis for thermal conductivity measurements of polycrystalline cilicon microbridges using a steady state Joule heating technique," Review of Scientific Instruments, 2011.
- A. Jain, S. Palit, and M. Alam, "An elementary model for performance and reliability of RF-MEMS capacitive switches and varactors," Journal of MEMS, 2011 (in review).
- A. Vallabhaneni, J. Rhoads, X. Ruan, and J.Y. Murthy, "Defect-induced mechanical mode splitting in carbon nanotube resonators," J. Sound and Vibration, 2011 (in review).
- N. Agarwal and N.R. Aluru, "Weighted Smolyak algorithm for solution of stochastic differential equations on non-uniform probability measures", International Journal for Numerical Methods in Engineering, Vol. 85, (11) pp. 1365-1389, 2011.
- H. M. Aktulga, S. Pandit, A. van Duin, A. Y. Grama, “Reactive molecular dynamics: Numerical methods and algorithmic techniques,” SIAM Journal of Scientific Computing, 34, pp. C1- C23, 2011

Available as a Purdue University Technical Report. - H. M. Aktulga, J. C. Fogarty, S. A. Pandit, A. Y. Grama, “Parallel reactive molecular dynamics: Numerical methods and algorithmic techniques,” Parallel Computing, 2011.
- M.A. Alam, S. Kumar, N. Pimparkar, P.Nair, J. Go, and A. Jain, "The physics of nanonet fabircs and its application in electronic, optoelectronics, biosensing, energy storage, and MEMS applications", (Invitied tutorial paper), 219th ECS meeting, vol. 35 (4), 2011.
- A. Alexeenko, S. Chigullapalli, X. Guo, A. Kovacs, J. Zeng, and D. Peroulis, "Uncertainty in microscale gas damping: Implications on dynamics of capacitive MEMS switches", Reliability Engineering and System Safety, Vol. 96 (9), pp.1171-1183, Sept 2011.
- A. Alexeenko and S. Chigullapalli, "Implications of rarefied gas damping for RF MEMS reliability", AIP Conference Proceedings, Vol. 1333, 27th International Symposium on Rarefied Gas Dynamics, pp. 701-706, 2011.
- A. Alwan and N. R. Aluru, “Uncertainty quantification of MEMS using a data-dependent adaptive stochastic collocation method,” Computer Methods in Applied Mechanics and Engineering, Vol. 200 (45-46) pp. 3169-3182, 2011.
- N. Anderson, R. Vedula, P. Schultz, R.M. Van Ginhoven, and A. Strachan, "First-principles investigation of low energy E' center precursors in amorphous silica," Physical Review Letters, 106 (20), 206402, May 2011.
- N. Anderson, R. Vedula, P. Schultz, R.M. Van Ginhoven and A. Strachan, "First-principles investigation of low energy E' center precursors in amorphous silica," American Physical Society March Meeting, Dallas, Texas, March, 2011.
- S. Chigullapalli and A. Alexeenko, "Unsteady 3D rarefied flow solver based on Boltzmann-ESBGK model kinetic equations," AIAA Paper 2011-3993, 41st AIAA Fluid Dynamics Conference and Exhibit, Honolulu, Hawaii, June 27-30, 2011.
- S. Das, S.R. Mathur, and J.Y. Murthy, "Finite volume method for structural analysis of RF MEMS devices using theory of plates," IMECE 2011-62617, Denver, CO, November 2011.
- S. Das, M. Koslawski, S.R. Mathur, and J.Y. Murthy, "Finite volume method of simulation of creep in RF MEMS devices," IMECE 2011-62660, Denver, Co, November 2011.
- A. Garg, A. Venkattraman, A. Kovacs, A. Alexeenko, and D. Peroulis, "Direct measurement of field emission in metallic MEMS switches," IEEE International Conference on Micro Electromechanical Systems (MEMS), 4 pages, Jan. 2011, Cancun, Mexico.
- A. Garg, V. Ayyaswamy, A. Kovacs, A. Alexeenko, and D. Peroulis, "Direct measurement of field emission current in static MEMS structures", IEEE 24th International Conference on Microelectromechanical Systems (MEMS 2011) January 23-27, 2011.
- S. Han, A. van Duin, W. Goddard III, and A. Strachan, "Thermal decomposition of condensed-phase nitromethane from molecular dynamics using the reactive force field ReaxFF", Journal of Physical Chemistry B, 115 (20), pp. 6534-6540 (2011).
- G. Hegde, G. Klimeck, and A. Strachan, “Role of surface orientation on ALD Al2O3/GaAs interface structure and Fermi level pinning: a DFT study,” Applied Physics Letters, 99 (9), 093508 (2011).
- H. Hsu, M. Koslowski, and D. Peroulis, "An experimental and theoretical investigation of creep in ultrafine crystalline nickel RF-MEMS devices," IEEE Transactions on Microwave Theory and Techniques, Vol. 59 (10), pp. 2655-2664, Oct. 2011.
- H. Hsu and D. Peroulis, "A CAD model for creep behavior of RF-MEMS varactors and circuits," IEEE Transactions on Microwave Theory and Techniques, Vol. 59 (7), pp. 1761-1768, July 2011.
- H. Hsu, M. Koslowski, and D. Peroulis, “Transactions on microwave theory and techniques,” IEEE 59 (10) 2655-2664, 2011.
- A.Hunter, C .Le, F. Saied, M. Koslowski, “Large scale phase field dislocation dynamics simulations on high performance architectures,” Journal of High Performance Computer Applications, 25 (3) 223-235, 2011
- A. Hunter, I. Beyerlein, T. Germann, and M. Koslowski, "Influence of the stacking fault energy surface on extended partials with a 3D phase field dislocations model", Physical Review B, Vol. 84 (14), 144108, June 2011.
- A. Hunter, I. Beyerlein, T. Germann, and M. Koslowski, “Influence of stacking fault energies on equilibrium stacking fault widths using 3D phase field dislocation dynamics (PFDD) simulations,” 11
^{th}US National Congress on Computational Mechanics, Minneapolis, MN, July 25-29, 2011. - A. Hunter, I. Beyerlein, T. Germann, and M. Koslowski, “Investigation of the impact of size effects and confined plasticity on stacking fault widths using 3D phase field dislocation dynamics (PFDD) simulations,” Materials Science and Technology conference and Exposition, Columbus Ohio, Oct 11-16, 2011.
- A. Jain, P. Nair, and M. Alam, "Strategies for dynamic soft landing in capacitive micromechanical switches, 98 (23), Applied Physics Letter 234101, DOI:10.1063/1.3598960, 2011.
- J. Jakeman, r. Archibald, and D. Xiu, "Characterization of discontinuities in high-dimensional stochastic problems on adaptive sparse grids", Journal of Computational Physics, Vol. 230, 3977-3997, 2011.
- H. Kim and A. Strachan, "Molecular dynamics characterization of the contact strengths between clean metallic surfaces with nanoscale asperities", Physical Review B 83, 024108, (2011)
- H. Kim and A. Strachan, "Molecular dynamics study of the contact strengths between clean metallic surfaces with nanoscale asperities," American Physical Society March Meeting, Dallas, Texas, March 2011.
- M. Koslowski and A. Strachan, "Propagation of uncertainties in a multiscale model of crystalline plasticy", The American Society of Mechanical Engineers Applied Mechanics and Materials Conference, McMAT-2011, Chicago, IL, USA, May 30 - June 1, 2011.
- M. Koslowski, A.Strachan, "Multiscale propagation of uncertainty quantification," Reliability Engineering and system safety, 96 (9) pp. 1161-1170, 2011.
- M. Koslowski, D. Lee, and L. Lei, “Role of the grain boundary energetics on the maximum strength of nanocrystalline Nickel,” Journal of the Mechanics and Physics of Solids, 59 (7), pp. 1427-1436, 2011.
- M. Koslowski, L. Lei, and D. Lee, “Role of grain boundary energetics on the maximum strength of nanocrystalline nickel,” American Society of Mechanical Engineers Applied Mechanics and Materials Conference, McMAT-2011, Chicago, IL, USA, May 30-June 1 2011
- M. Koslowski, L. Lei and D. Lee, “Role of grain boundary and stacking fault energies on the maximum strength of nanocrystalline nickel,” 11
^{th}US National Congress on Computational Mechanics, Minneapolis, MN, July 25-29, 2011. - M. Koslowski, “Strengthening of metals by microstructural constraints,” Workshop on Complex Dynamics of Dislocations, Defects and Interfaces, Los Alamos, NM, November 2011.
- M. Koslowski, “Deformation mechanisms in nanocrystalline Ni for MEMS applications, physical metallurgy” Gordon Research Conference, Stonehill College Easton, MA, July 31 - August 5 2011.
- M. Koslowski, L. Lei, and D. Lee, "Role of grain boundary energetics on the maximum strength of nanocrystaline nickel", McMAT-2011, Chicago, IL, USA, May 30 - June 1, 2011.
- M. Kulakhmetov and A. Alexeenko, "Model uncertainties in a sharp leading-edge hypersonic boundary layer," AIAA Aerospace Sciences Meeting, January 4-7, 2011.
- D. Lee, H. Kim, A. Strachan, and M. Koslowski, "Effect of core energy on mobility in a continuum dislocation model", Physical Review B, 83, 104101, 2011.
- X. Liu, J. Small, D. Berdy, L.P.B. Katehi, W.J. Chappell, and D. Peroulis, “Impact of mechanical vibration on the performance of RF MEMS evanescent-mode tunable resonators,” IEEE Microwave and Wireless Components Letters, Vol. 21 (8), pp. 406-408, Aug. 2011.
- M. Manguoglu, F. Saied, A. Sameh, and A. Grama, "Performance models for the SPIKE banded linear system solver," Scientific Programming, 19, pp. 13-25, 2011.
- S. Mathur, L. Sun, S. Das, D. Peroulis, A. Kovacs, J. Zeng, and J.Y. Murthy, "Uncertainty quantification of pullin phenomenon in capacitive RF-MEMS, " Proceedings of the ASME 2011 International Design Engineering Technical Conferences & Computers and Information in Engineering Conference, 2011.
- S. Mathur, L. Sun, S. Das, J.Y. Murthy, "Application of immersed boundary method to fluid, structure adn electrostatics interaction in MEMS," Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition, 2011.
- S. Mathur, A. Chigullapalli, and J.Y. Murthy, "Benchmarking of discrete stochastic Galerkin solver for computational fluid dynamics," SIAM CSE 2011, Reno, Nevada.
- J.Y. Murthy, "Computational techniques for multiscale thermal transport in multimaterial systems," Invited paper, MRS Spring Meeting, April 2011, San Francisco, CA.
- J. Nabeth, S. Chigullapalli, A. Alexeenko, "Quantifying the Knudsen force on heated microbeams: A compact model and direct comparison with measurements," Physical Review E, Vol 83, Article 066306, 5 pages, June 2011.
- D. Parkos, N. Raghunathan, V. Ayyaswamy, A. Alexeenko, and D. Peroulis, "Near-contact Damping Model and Dynamic Response of Microbeams under High-g Loads," IEEE 24th International Conference on Microelectromechanical Systems (MEMS 2011), January 23-27, 2011.
- R. A. Sayer, H. Hsu, J. Zeng, D. Peroulis, and T. S. Fisher, "Thermal characterization of Ni RF MEMS microbridges using electrical self-heating," Spring 2011 Materials Research Society Conference, San Francisco, CA.
- R. A. Sayer, J. D. Engerer, S. Sen, N. S. Vidhyadhiraja, and T. S. Fisher, "Low Frequency electrical noise thermometry for MEMS/NEMS devices," ASME 2011 International Mechanical Engineering Congress & Exposition, Paper # IMECE2011-63586, Denver, CO, 2011.
- M. Snow and A. Bajaj, "Uncertainty quantification of nonlinear model of a MEMS switch," Seventh EUROMECH Nonlinear Dynamics Conference, ENOC 2011, July 24-29, 2011, Rome, Italy.
- M. Snow and A. Bajaj, "Comprehensive reduced-order models of electrostatically actuated curved MEMS switches and their dynamics including impact and bounce," DETC 2011/MNS-48008, Proceedings of the ASME 2011 International Design Engineering Technical Conferences, August 29-31, 2011.
- A. Strachan, "Quantifying variability and uncertainties in mulitscale modeling of MEMS," Uncertainty Quantification and Multiscale Materials Modeling Workshop, Santa Fe, New Mexico, June 13-15, 2011.
- R. Tung, J. Lee, H. Sumali and Arvind Raman, "Non-monotonic pressure dependence of resonant frequencies of microelectromechanical systems supported on squeeze films," Journal of Micromechanics and Microengineering, Doi: 10.1088/0960-1317/21/2/025003, January 5, 2011.
- R. Vedula, N. Anderson, and A. Strachan, "First principles investigation of structure adn electronic properties of amorphous Si3N4," American Physical Society March Meeting, Dallas, Texas, March 2011.
- A. Venkattraman, A. Alexeenko, and M. Koslowski, "Contact-induced stress waves in contacting MEMS: Analysis of uncertainties and effects on lifetime," McMat-2011, Chicago, IL, USA, May 30 - June 1, 2011.
- A. Venkattraman, A. Garg, D. Peroulis, and A. Alexeenko, “PIC/MCC simulations and measurements of microdischarges in metallic MEMS structures,” Proceedings of the IEEE International Conference on Plasma Science (ICOPS), 1 page, June 2011, Chicago, IL.
- A. Venkattraman, A. Garg, D. Peroulis, and A. Alexeenko, "Field emission driven microplasma in MEMS: PIC/MCC modeling and direct measurements," Proceedings of International Symposium on Plasma Chemistry, Philadelphia, PA, July 22-27, 2011.
- A. Venkattraman and A. Alexeenko, "Simulations of impulsive dynamics in RF MEMS capacitive switches", Proceedings of the ASME 2011 International Mechanical Engineering Congress & Exposition IMECE2011-64693, Denver, Colorado, USA, November 11-17, 2011.

2010

- N Agarwal and N.R. Aluru, "A data-driven stochastic collocation approach for uncertainty quantification in MEMS", International Journal for Numerical Methods in Engineering, Vol. 83 (5), pp. 575-597, 2010
- H. M. Aktulga, A. Y. Grama, “PuReMD User Guide,” Technical Report, Purdue University, 2010.
- S. Chigullapalli, A. Alexeenko, “Implications of rarefied gas damping on reliability of RF MEMS”, Proc. of 27th International Symposium on Rarefied Gas Dynamics, July 10-15, 2010, Pacific Grove, CA.
- S. Chigullapalli, A. Venkattraman, M.S. Ivanov, A.A. Alexeenko, “Entropy considerations in numerical simulations of non-equilibrium rarefied flows,” Journal of Computational Physics, Vol. 229, pp. 2139-2158, 2010.
- S. Das, S. Mathur, and J.Y. Murthy, "A finite volume method for structure-electrostatics interaction with applications to MEMS," IMCE 2010-40036, IMECE 2010, Vancouver, BC, November 2010.
- S. Das, S.R. Mathur, and J.Y. Murthy, "An unstructured finite volume method for structure electrostatics interaction in MEMS," Numerical Heat Transfer Part B, 58, pp. 217-241, 2010.
- S. Dong, “BDF-like methods for nonlinear dynamic analysis,” Journal of Computational Physics, Vol. 229, pp. 3019-3045, 2010.
- S. Dong, “Blended time integration algorithms for nonlinear dynamics,” AIAA Paper 2010-2890, 51st AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics, and Materials Conference. Orlando, FL, April 2010.
- S. Dong and J. Shen, “An unconditionally-stable rotational velocity-correction scheme for incompressible flows," Journal of Computational Physics, 229 (19), pp. 7013-7029, 2010.
- S. Dong, “Second-derivative multistep methods for nonlinear dynamic problems,” Computational Mechanics, submitted, 2010.
- J. C. Fogarty, H. M. Aktulga, A.C.T. van Duin, A. Y. Grama, S. A. Pandit, “A Reactive simulation of the silica-water interface,” J Chem Phys, 2010 May 7; 132 (17):174704.
- A. Fruehling, M.A. Khater, B. Jung, D. Peroulis, “CMOS-based monitoring of contact events up to 4 MHz in ohmic RF MEMS switches,” to appear in the Proceedings of the IEEE MTT-S International Microwave Symposium, pp. 300-303, May 2010, Anaheim, CA.
- A. Fruehling, M.A. Khater, B. Jung, D. Peroulis, “Real-time monitoring of contact behavior of RF MEMS switches with a very low power CMOS capacitive sensor interface,” Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), pp. 775-778, Jan. 2010, Hong Kong, China.
- X. Guo, J. Li, D. Xiu, A. A.Alexeenko, “Uncertainty quantification models for microscale squeeze-film damping,” International Journal of Numerical Methods in Engineering, Vol. 84 (10), pp. 1257-1272, December 2010.
- H.H. Hsu, D. Peroulis, “A viscoelastic-aware experimentally-derived model for analog RF MEMS varactors,” Proceedings of the IEEE International Conference on Micro Electromechanical System (MEMS), pp. 783-786, Jan. 2010, Hong Kong, China.
- H.H. Hsu, D. Peroulis, “An experimental investigation on viscoeleastic behavior in nanocrystalline-Ni tunable RF-MEMS resonators,” Proceedings of the IEEE MTT-S International Microwave Symposium, pp. 1150-1153, May 2010, Anaheim, CA.
- A.Hunter, H. Kavuri, M. Koslowski, “A continuum plasticity model that accounts for hardening and size effects in thin films,” accepted, Modeling and Simulations in Materials Science and Engineering, March, 2010.
- A. Hunter, I Beyerlein, T. Germann, and M. Koslowski, " Incorporation of partial dislocation in a phase field dislocation model," Materials Science and Technology Conference and Exposition, Houston, TX, October 2010
- J. Jakeman, M. Eldred, D. Xiu, "Numerical approach of quantification of epistemic uncertainty", Journal of Computational Physics, Vol. 229, 2010, pp. 4648-4663.
- K. Jonnalagadda, N. Karanjgaokar, I. Chasiotis, J. Chee, D. Peroulis, “Strain rate sensitivity of nanocrystalline Au films at room temperature,” Acta Materialia, Vol. 58, pp. 4674-4684, May 2010.
- H. Kim, A. Strachan, “Nanoscale metal-metal contact physics from molecular dynamics: the strongest contact size,” Physical Review Letters, Vol 104, 215504, 2010.
- M. Koslowski, "Design of materials with improved mechnical properties", XXXI Iberian Latin American congress on Computational Methods in Engineering (MECOM2010), Buenos, Aires, Argentina, November 15.
- M. Koslowski, A. Strachan, “Uncertainty propagation in a multiscale model of single crystal plasticity”, Reliability Engineering and System Safety, 96 (9), pp. 1161-1170, 2011
- J. W. Lee, A. Mahopatro, D. Peroulis, A. Raman, “Vibration based monitoring and diagnosis of dielectric charging in RF-MEMS switches”, IEEE-ASME Journal of Micro-electromechanical Systems, Vol. 19 (6), pp.1490-1501, Dec. 2010.
- J.W. Lee, A. Mahapatro, D. Peroulis, A. Raman, “Vibration based monitoring and diagnosis of dielectric charging in RF-MEMS switches,” accepted to the IEEE/ASME Journal of Microelectromechanical Systems, Jan. 2010.
- J. Li and D. Xiu, "Evaluation of failure probability via surrogate models", Journal of Computational Physics, Vol. 29, 2010, pp. 8966-8980.
- J. Loy and J. Y. Murthy, “ Simulation of Sub-Micron Thermal Transport in a Mosfet Using a Hybrid Fourier-BTE Model, “ IHTC 14-23100, Proceedings of the International Heat Transfer Conference, August 8-14, 2010.
- J. Loy, D. Singh, and J.Y. Murthy, "A fast hybrid Fourier-BTE solver for non-gray phonon transport, " M. Comp Phys (in revision), 2010.
- M. Manguoglu, M. Koyuturk, A. Sameh, and A. Grama, "Weighted Matrix Ordering and Parallel Banded Preconditioners for Iterative Linear System Solvers," SIAM Journal of Scientific Computing, 32 (3), pp. 1201-1216, 2010.
- S. Mathur, A. Chigullapalli, J. Y. Murthy, “An unintrusive implementation of intrusive polynomial chaos for uncertainty propagation in fluid flow simulations,” IMECE 2010, Vancouver, BC, Nov. 2010.
- J.Y. Murthy," Modeling and simulation of multiscale multiphysics systems," Computational Fluid Dynamics Symposium in Honor of Prof. D. Brian Spalding, Villanova University, Philadelphia, PA, April 2/,2010 (invited).
- J.Y. Murthy, "Simulation techniques for sub-micron transport," AIAA Fluids/Thermophysics Conference, Chicago, IL, June 28-July 1, 2010 (invited).
- J. Y. Murthy, “Computational heat transfer in complex systems,” International Heat Transfer Conference, Washington DC, August 8-14, 2010.
- J. Y. Murthy, “Modeling and simulation of multi-scale thermal transport in multi-material systems – Part I & Part II,” Keynote Presentations, IMECE 2010-37887, IMECE 2010-37885, IMECE 2010, Vancouver, BC, Nov. 2010.
- J. Y. Murthy, “Uncertainty quantification in microelectromechanical Systems (MEMS),” IMECE 2010-41021, IMECE 2010, Vancouver, BC, Nov. 2010.
- J. Nabeth , S. Chigullapalli, A. Alexeenko, “Numerical simulations of Knudsen forces in microsystems ”, AIAA Paper 2010-5054, 10th AIAA/ASME Joint Thermophysics and Heat Transfer Conference, Chicago, Illinois, June 28- July 1, 2010.
- J. Nabeth, S. Chigullapalli, A. Alexeenko, “What determines Knudsen forces at the microscale?” Proc. of 27th International Symposium on Rarefied Gas Dynamics, July 10-15, 2010, Pacific Grove, CA.
- R. A. Sayer, S. Kim, A. D. Franklin, S. Mohammadi, T. S. Fisher, “Shot noise thermometry for thermal characterization of templated carbon nanotubes,” IEEE Transactions on Components and Packaging Technologies 33, pp. 178-183, 2010.
- D. Singh, J. Y. Murthy, T. S. Fisher, “Effect of phonon dispersion on thermal conduction across Si/Ge interface,” Journal of Heat Transfer, Vol. 133 (12) pp. 32, 2010.
- D. Singh, J. Y. Murthy, T. S. Fisher, “Phonon transport across mesoscopic constrictions,” Journal of Heat Transfer Transactions of the ASME, 133 (4), 2010.
- M. Snow, A. K. Bajaj, “Comprehensive reduced-order models of electrostatically actuated MEMS switches and their dynamics including impact and bounce”, DETC2010/MECH-28590, Proceedings of the ASME 2010 International Design Engineering Technical Conferences, August 15-18, 2010, Montreal, Quebec, Canada.
- M. Snow, A. K. Bajaj, “Uncertainty quantification study for a comprehensive electrostatic MEMS switch model”, Third International Conference on Uncertainty in Structural Dynamics - USD2010, September 20-22, 2010, Department of Mechanical Engineering, Katholieke Universiteit, Leuven, Belgium.
- L. Sun, S.R. Mathur, and J.Y. Murthy, "An unstructured finite-volume method for incompressible flows with complex immersed boundaries," Numerical Heat Transfer, Part B (Fundamentals), pp.217-241, 2010.
- A. Thompson, A. Strachan, “Size effects on martensitic microstructure in Zr nanowires via molecular dynamics”, Physical Review B, Vol.81, 085429, 2010.
- A. Vallabhaneni, X., Ruan, J. Rhoads, J. Y. Murthy, “Unusual size effects of the quality factor of cantilevered carbon nanotube resonators,” IMECE 2010-40394, IMECE 2010, Vancouver, BC, Nov. 2010.
- A. Vallabhaneni, J. Rhoads, X. Ruan, and J.Y. Murthy, "Nonclassical scaling observations in the quality factors of cantilevered carbon nanotube resonators," Journal of Applied Physics, 2010 (accepted).
- K. G. Vishnu, A. Strachan, “Phase stability and transformations in NiTi from density functional theory calculations,” Acta Materialia, Vol. 58, pp. 745–752, 2010.

2009

- N. Agarwal and N. R. Aluru, “A domain adaptive stochastic collocation approach for analysis of MEMS under uncertainties”, Journal of Computational Physics, Vol. 228, No. 20, pp. 7662-7688, 2009.
- N. Agarwal and N. R. Aluru, “Stochastic analysis of electrostatic MEMS subjected to parameter variations”, Journal of Microelectromechanical Systems, Vol. 18, No. 6, pp. 1454-1468, 2009.
- H. M. Aktulga, S. A. Pandit, and A. Grama, "Numerical Techniques and Data Structures for Reactive Atomistic Simulations," SIAM J. Sci. Comput., 2009 (under submission).
- H. M. Aktulga, S. A. Pandit, and A. Grama, "Parallel Reactive Atomistic Simulations, Parallel Computing," 2009 (under submission).
- H. M. Aktulga, A. van Duin, S. A. Pandit, and A. Grama, Silica-Water Interface Simulations, J. Comput. Phys. 2009 (under submission).
- R. A. Bidkar, R. C. Tung, A. Alexeenko, S. Hartono, A. Raman, “Unified theory of gas damping of flexible microcantilevers at low ambient pressures”. Applied Physics Letters, Vol. 94, April 2009.
- S. Dong and Z. Yosibash, “A parallel spectral element method for dynamic three-dimensional nonlinear elasticity problems,” Computers & Structures, Vol. 87, pp. 59-72, 2009.
- S. Dong, “A class of blended time integration algorithms for nonlinear elastodynamics,” 10th US National Congress on Computational Mechanics. Columbus, OH, July 2009.
- S. Dong, “A family of composite time integration algorithms for nonlinear dynamics analysis,” SIAM Annual Meeting (AN09), Denver, CO, July 2009.
- S. Dong, "A High-Order Method for 3D Nonlinear Elastodynamics," SIAM Conference on Computational Science and Engineering, March 2009.
- A. D. Franklin, R. A. Sayer, T. D. Sands, D. B. Janes, T. S. Fisher, “Vertical carbon nanotube devices with nanoscale lengths controlled without lithography,” IEEE Transactions on Nanotechnology, Vol. 8, pp. 469-476, 2009.
- A. D. Franklin, R. A. Sayer, T. D. Sands, T. S. Fisher, D. B. Janes, “Toward surround gates on vertical single-walled carbon nanotube devices,” Journal of Vacuum Science and Technology B 27, pp. 821-826, 2009
- X. Guo, D. Singh, J. Y. Murthy, A. Alexeenko, “Numerical simulation of gas-phonon coupling in thermal transpiration flows,” Physical Review E, 80, 046310, 2009.
- X. Guo, and A. Alexeenko, "Compact Model of Squeeze-Film Damping based on Rarefied Flow Simulations", Journal of Micromechanics and Microengineering, 19, 045026, (4), April 2009.
- X.Guo, and A. Alexeenko, "Simulations of Aerodynamics Damping for MEMS Resonators," AIAA Paper 2009-3581. 39th AIAA Fluid Dynamics Conference, San Antonio, TX, June 22-25, 2009.
- A. Hunter, F. Saied, C. Le, and M. Koslowski, "Performance Analysis of the Phase Field Micromechanics Model," (in preparation), 2009.
- B. Jalalahmadi, F. Sadeghi, D. Peroulis “A numerical fatigue damage model for life scatter of MEMS devices,” IEEE/ASME Journal of Microelectromechanical Systems, Vol. 18, No. 5, pp. 1016-1031, Oct. 2009.
- J. W. Lee, R. C. Tung, A. Raman, S. Hartono, J. P. Sullivan, ”Squeeze-film damping of flexible microcantilevers at low ambient pressures: theory and experiment”. Journal of Micromechanics and Microengineering, Vol. 19, September 2009.
- J. Li, and D. Xiu, "A Generalized Polynomial Chaos Based Ensemble Kalman Filter with High Accuracy", J. Comput. Phys.
*,*228, 5454-5469, 2009. - J. Loy, D. Singh, J. Y. Murthy, “ Non-gray phonon transport using a hybrid BTE-Fourier solver, “ HT2009-88056, ASME Summer Heat Transfer Conference, San Francisco, CA, July 19-23, 2009.
- K. Lynch, A. Thompson, and A. Strachan, "Coarse Grain Modeling of Spall Failure in Molecular Crystals: Role of Intra-molecular Degrees of Freedom," Modeling and Simulation in Materials Science and Engineering, 17 015007-1-13, 2009.
- A.K. Mahapatro, J. Chee, D. Peroulis, “Fully electronic method for quantifying the post-release gap-height uncertainty of capacitive RF MEMS switches,” of the IEEE MTT-S International Microwave Symposium, pp. 1645-1648, June 2009, Boston, MA.
- M. Manguoglu, A. Sameh, and A. Grama, "Scalable Parallel Formulations of the SPIKE Linear System Solver, Parallel Computing," 2009 (under submission).
- Y. Marzouk, and D. Xiu, "A Stochastic Collocation Approach to Bayesian Inference in Inverse Problems," Comm. Comput. Phys
*.*, 6, 826-847, 2009. - Y. Park, H. M. Aktulga, A. Y. Grama, A. Strachan, “Strain relaxation in Si/Ge/Si nanoscale bars from MD simulations,” J Appl Phys, 106m 034304, 2009.
- D. Singh, X. Guo, A. Alexeenko, J. Y. Murthy, T. S. Fisher, “Modeling of sub-continuum thermal transport across semiconductor-gas interfaces,” Journal of Applied Physics, Vol. 106 (2), 024314, 2009.
- L. Sun, S. R. Mathur, J. Y. Murthy, “An unstructured finite volume method for incompressible flows with complex immersed boundaries,” IMECE2009-12917, ASME IMECE, Lake Buena Vista, Florida, Nov. 13-19, 2009.
- Y. Zhou, A. Strachan “Thermal conduction in molecular materials using coarse grain dynamics: role of mass diffusion and quantum corrections for MD simulations”, Journal of Chemical Physics, Vol. 131, 234113, 2009.

2008

- A. Palaria, G. Klimeck, and A. Strachan, "Structures and Energetics of Silicon Nanotubes from Molecular Dynamics and Density Functional Theory," Physical Review B, 78, 205315-1-5, 2008.

## About PRISM

PRISM leverages advances in nanoscale science and engineering to create innovative nanotechnologies addressing societal challenges and opportunities in computing, communications, the environment, security, energy independence, and health.

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## Education

## Contact

Matt Potrawski

Managing Director, PRISM Center

Purdue University

Birck Nanotechnology Center

1205 W. State St., Suite 2027

West Lafayette, IN 47907-2088

- mpotraws@purdue.edu
- Phone: 765.496.6298
- Fax: 765.494.4731