JAMES R STOLL, II portrait
  • Assistant Professor, Mechanical Engineering
  • Professor, Mechanical Engineering
  • Associate Professor, Mechanical Engineering
801-581-3405

Publications

  • M. A. Renault, B. N. Bailey, R. Stoll & E. Pardyjak (2024). A rapid method for computing 3-D high-resolution vegetative canopy winds in weakly complex terrain. Frontiers in Earth Science. Vol. 11, 1251056. Published, 01/2024.
  • F. Margairaz, B. Singh, J. A. Gibbs, L. Atwood, E. Pardyjak & R. Stoll (2023). QES-Plume v1. 0: a Lagrangian dispersion model. Geoscientific Model Development. Vol. 16, 5729-5754. Published, 10/2023.
  • M. Moody, R. Stoll & B. Bailey (2023). Adaptation of QES-Fire, a dynamically coupled fast response wildfire model for heterogeneous environments. International Journal of Wildland Fire. Vol. 32, 749-766. Published, 04/2023.
  • Lucas Ulmer, Fabien Margairaz, Brian N Bailey, Walter F Mahaffee, Eric R Pardyjak & Rob Stoll (2023). A fast-response, wind angle-sensitive model for predicting mean winds in row-organized canopies. Elsevier. Vol. 329, 109273. Published, 02/15/2023.
  • Walter F Mahaffee, Fabien Margairaz, Lucas Ulmer, Brian N Bailey & Rob Stoll (2023). Catching Spores: linking epidemiology, pathogen biology, and physics to ground-based airborne inoculum monitoring. The American Phytopathological Society. Vol. 107, 13-33. Published, 01/02/2023.
  • Jeremy Gibbs, Rob Stoll & Scott Salesky (2023). Inclination Angles of Turbulent Structures in Stably Stratified Boundary Layers. Springer. Vol. 186, 27-41. Published, 01/01/2023.
  • Alexei O Perelet, Helen C Ward, Rob Stoll, Walter F Mahaffee & Eric R Pardyjak (2022). Quantifying Turbulence Heterogeneity in a Vineyard Using Eddy-Covariance and Scintillometer Measurements. Springer. Vol. 184(3), 479-504. Published, 06/29/2022.
  • Gregory Torkelson, Tim Price & Rob Stoll (2022). Momentum and turbulent transport in sparse, organized vegetative canopies. Springer. Vol. 184(1), 1-24. Published, 04/12/2022.
  • Matthew J Moody, Jeremy Gibbs, Steven Krueger, Derek Malia, Eric R Pardyjak, Adam K Kochanski, Brian N Bailey & Rob Stoll (2022). QES-Fire: a dynamically coupled fast-response wildfire model. CSIRO Publishing. Vol. 31(3), 306-325. Published, 03/18/2022.
  • Fabien Margairaz, Hanieh Eshagh, Arash Nemati Hayati, Eric R.Pardyjak & Rob Stoll (2022). Development and evaluation of an isolated-tree flow model for neutral-stability conditions. Urban Climate. Vol. 42, 101083. Published, 03/2022.
    https://doi.org/10.1016/j.uclim.2022.101083
  • Halubok, Maria, Adam Kochanski, Rob Stoll & Brian Bailey (2021). Errors in the estimation of leaf area density from aerial LiDAR data: Influence of statistical sampling and heterogeneity. IEEE Transactions on Geoscience and Remote Sensing. Vol. 60, 1-14. Published, 10/2021.
    https://ieeexplore.ieee.org/document/9591661
  • Matt Moody, Brian Bailey, Eric Pardyjak, Walter Mahafee, Rob Stoll & 100967 (2021). Adaptation and validation of a voxel based energy transport model for conifer species. Urban Climate. Vol. 39. Published, 09/2021.
    https://www.sciencedirect.com/science/article/pii/...
  • Bozorgmehr, B., Willemsen, P., Gibbs, J. A., Stoll, R., Kim, J. J. & Pardyjak, E. R. (2021). Utilizing dynamic parallelism in CUDA to accelerate a 3D red-black successive over relaxationwind-field solver’. Environmental Modelling and Software. Vol. 137, 04958. Published, 01/13/2021.
  • Barbano, F., Di Sabatino, S., Stoll, R. & Pardyjak, E. (2020). A numerical study of the impact of vegetation on mean and turbulence fields in a European-city neighbourhood. Building and Environment. Vol. 186, 107293. Published, 12/2020.
  • Stoll, R., Gibbs, J., Salesky, S., Anderson, W. & Calaf, M. (2020). Large-eddy simulation of the atmospheric boundary layer. Boundary-Layer Meteorology. Vol. 177(2), 541-581. Published, 12/2020.
  • Carlo Bianchi, Matt Overby, Pete Willemsen, Amanda Smith, Rob Stoll & Eric Pardyjak (2019). Quantifying effects of the built environment on solar irradiance availability at building rooftops. Journal of Building Performance Simulation. Published, 11/2019.
  • Arash Nemati Hayati, Rob Stoll, Eric Pardyjak, Todd Harman & JJ Kim (2019). Comparative metrics for computational approaches in non-uniform street-canyon flows. Building and Environment. Vol. 158, 16-27. Published, 07/2019.
  • Bailey, B., Rob Stoll & Eric Pardyjak (2018). A theoretically consistent framework for modelling Lagrangian particle deposition in plant canopies. Boundary Layer Meteorology. Vol. 167(3), 509-520. Published, 06/2018.
  • Miller, N., Rob Stoll, Walt Mahaffee & Tara Neill (2018). Heavy particle transport in a trellised agricultural canopy during non-row-aligned winds. Agricultural and Forest Meteorology. Vol. 256, 125-136. Published, 06/2018.
  • Gunawardena, N., E. R. Pardyjak, Rob Stoll & A. Khadka (2018). Development and evaluation of an open-source low-cost distributed sensor network for environmental monitoring appli- cations. Measurement Science and Technology. Vol. 29(2), 024008. Published, 01/2018.
  • Eric Pardyjak & Rob Stoll (2017). Improving measurement technology for the design of sustainable cities. Measurement Science and Technology. Vol. 28(9), 092001. Published, 08/16/2017.
    http://stacks.iop.org/0957-0233/28/i=9/a=092001
  • Tony Saad, Derek Cline, Rob Stoll & James C. Sutherland (2016). Scalable Tools for Generating Synthetic Isotropic Turbulence with Arbitrary Spectra. AIAA Journal. Vol. 55(1), 327-331. Published, 08/25/2016.
    https://doi.org/10.2514/1.J055230
  • Bailey, B. N., R. Stoll, E. R. Pardyjak and N. Miller, ‘A new three-dimensional energy balance model for complex plant canopy geometries: Model development and improved validation strategies’, Agric. For. Meteorol., 10.1016/j.agrformet.2015.11.021, Vol. 218, 146–160, 2016. Published, 03/2016.
  • Bailey, B. and R. Stoll, ‘The creation and evolution of coherent structures in plant canopy flows and their role in turbulent transport’, Journal of Fluid Mechanics, DOI: 10.1017/jfm.2015.749, Vol. 789, 425–460, 2016. Published, 02/2016.
  • Kochanski, A. K., E. Pardyjak, R. Stoll, A. Gowardhan, M. J. Brown and W. J. Steenburgh, ‘One-way coupling of the WRF-QUIC Urban Dispersion Modeling System’, J. Appl. Meteorol. Climatol., DOI: 10.1775/JAMC-D-15-0020.1, Vol. 54(10), 2119–2139, 2015. Published, 10/2015.
  • Miller, N. E., R. Stoll, W. Mahaffee, T. M. Neill, E. R. Pardyjak, ‘ An experimental study of momentum and heavy particle transport in a trellised agricultural canopy’, Agricultural and Forest Meteorology, DOI: 10.1016/j.agformet.2015.06.003, Vol. 211–212, 100–114, 2015. Published, 10/2015.
  • Aaron J. Prussin II, Linsey C. Marr, David G. Schmale III, Rob Stoll, Shane D. Ross. 2015, 'Experimental validation of a long-distance transport model for plant pathogens: Application to Fusarium graminearum', Agricultural and Forest Meteorlogy, 203, 118-130, DOI: 10.1016/j.agrformet.2014.12.009. Published, 04/2015.
  • Brian Bailey, M. Overby, P. Willemsen, E. Pardyjak, W. Mahaffee, R. Stoll., 2014, 'A scalable plant-resolving radiative transfer model based on optimized GPU ray-tracing', Agricultural and Forest Meteorology, 198-199, 192-208. Published, 08/25/2014.
  • Brian Bailey, Rob Stoll, Eric Pardyjak, Walter Mahaffee, 2014 'The Effect of Canopy Architecture and the Structure of Turbulence on Particle Dispersion', Atmos. Environ, 95, 480-489. Published, 06/30/2014.
  • Mahaffee, W., S. Schwebs, F. Hand, D. Gubler, B. Bailey and R. Stoll, 2014, `Improving manage- ment of grape powdery mildew with new tools and knowledge', Practical Winery and Vineyard, April. Published, 04/01/2014.
  • Mingfeng Qiu, Brian Bailey, Rob Stoll, Bart Raeymaekers, 2013 'The Accuracy of the Compressible Reynolds Equation for Predicting the Local Pressure in Gas-Lubricated Textured Parallel Slider Bearings', Tribology International. Published, 12/2013.
  • Addepalli, B., Pardyjak, E., Willemsen, P., Halverson, S., Johnson, D., and Stoll, R., 2013, 'In Search of an Intelligent Methodology for Designing Sustainable Cities', AWMA EM, November. Published, 11/2013.
  • Stoll, R. and Porté-Agel, F., 2007, ‘Surface heterogeneity effects on regional-scale fluxes in stable boundary layers: surface temperature transitions‘, Journal of the Atmospheric Sciences, Vol 66(2), 412-431. Published, 02/2009.

Research Keywords

  • Turbulence
  • Fluid Dynamics
  • Computational Fluid Dynamics
  • Agricultural Engineering

Presentations

  • Huckins, M., W. Mahaffee, K. Baldino, R. Stoll, J. Dung, and E.R. Pardyjak, ‘The Fate and Transport of Airborne XHC in Carrot Seed Crops’, 103rd American Meteorological Society Annual Meeting, Denver, CO, Abstract 986, 2023. Other, Presented, 01/13/2023.
  • Bozorgmehr, B., P. Willemsen, J. Gibbs, R. Stoll, Z. Patterson, J.J. Kim, H. Liu, and E. Pardyjak, ‘Cut-Cell Method: Higher-Order Geometry Representation in Qes-Winds to Cal- culate More Accurate Wind Fields in Urban Areas and over Complex Terrain’, 103rd Amer- ican Meteorological Society Annual Meeting, Denver, CO, Abstract 16A.3, 2023. Other, Presented, 01/12/2023.
  • Ulmer, L., F. Margairaz∗, and R. Stoll, ‘A Fast-Response Modeling System for Particle Dis- persion in Vineyards’, 103rd American Meteorological Society Annual Meeting, Denver, CO, Abstract 9B.6, 2023. Other, Presented, 01/11/2023.
  • R. Stoll, J. Gibbs, S. Salesky, and G.Q. Torkelson, ‘Impact of Stable Stratification on Flow Structure Inclination Angle’, 103rd American Meteorological Society Annual Meeting, Den- ver, CO, Abstract 11C.5, 2023. Other, Presented, 01/11/2023.
  • Moody, M., B.N. Bailey, and R. Stoll, ‘A Generalized Dynamically Coupled Fast-Response Microscale Fire and Wind Model’, 103rd American Meteorological Society Annual Meeting, Denver, CO, Abstract 8B.2A, 2023. Other, Presented, 01/10/2023.
  • F. Margairaz∗, J. Gibbs, P. Willemsen, E. Pardyjak, and R. Stoll, ‘Qes-Plume: A Fast La- grangian Dispersion Model for Complex Environment’, 103rd American Meteorological So- ciety Annual Meeting, Denver, CO, Abstract 1A.3, 2023. Other, Presented, 01/09/2023.
  • Huckins M., K. Baldino, J. Dung, W. Mahaffee, T.J. Morrison∗, E.R. Pardyjak and Rob Stoll, ‘New Approach for Capturing and Characterizing Large Aerosolized Particles in Agricul- tural Settings’, American Geophysical Society Fall Meeting, December 13-17, A45C-1866, 2021. Other, Presented, 12/17/2021.
  • Ulmer, L., F. Margairaz∗, N. Miller, B.N. Bailey, W. Mahaffee, E.R. Pardyjak and R. Stoll, ‘A low-order wind-resolving model for predicting transport processes in row-organized agri- cultural canopies’, American Geophysical Society Fall Meeting, December 13-17, A43A-03, 2021. Other, Presented, 12/15/2021.
  • Margairaz, F.∗, L. Ulmer, P. Willemsen, W. Mahaffee, E.R. Pardyjak and R. Stoll, ‘Footprint analysis of particulate sensors in structured canopies’, American Geophysical Society Fall Meeting, December 13-17, A43A-04, 2021. Other, Presented, 12/14/2021.
  • Moody, M., Bailey, B., Stoll, R., Krueger, S. ‘Adaptation of a dynamically coupled fire spread model to account for heterogeneous terrain and fuels’, American Geophysical Society Fall Meeting, December 13-17, NH14A-08, 2021. Other, Presented, 12/2021.
  • Candela, D., Gibbs, J., Torkelson, G., Salesky, S. and R. Stoll, ‘The impact of surface het- erogeneity parameterizations on surface flux estimations in single column model simulations of the stable atmospheric boundary layer’, American Geophysical Society Fall Meeting, December 13-17, A44A-06, 2021. Other, Presented, 12/2021.
  • Ulmer, L., Miller, N., Bailey, B.N., Mahaffee, W., Pardyjak, E. and R. Stoll, ‘A Semi- Empirical Wind-Resolving Model for Predicting Transport Processes in Row-Organized Agricultural Canopies’, 34th Conference on Agricultural and Forest Meteorology, June 21- 23, online, presentation 10.2, 2021 student presentation award. Other, Presented, 06/2021.
  • Deford, L., Stoll, R. and E. Pardyjak, ‘Development of a Low-Cost Aspirated Temperature Measurement Radiation Shield’, 34th Conference on Agricultural and Forest Meteorology, June 21-23, online, poster 24, 2021 student presentation award. Other, Presented, 06/2021.
  • Torkelson, G.Q., Price, T. and R. Stoll, ‘Turbulent Transport and Closure Models in Het- erogeneous Vegetative Canopies’, 34th Conference on Agricultural and Forest Meteorology, June 21-23, online, presentation 6.3, 2021. Other, Presented, 06/2021.
  • Renault, M., Pardyjak, E. and R. Stoll, ‘Fast-Response, High-Resolution Flow Solver for Vegetation Canopies, 34th Conference on Agricultural and Forest Meteorology, June 21-23, online, presentation 6.4, 2021. Other, Presented, 06/2021.
  • Margairaz, F., Bozorgmehr, B., Renault, M., Torkelson, G.Q., Ulmer, L., Willemsen, P., Pardyjak, E. and R. Stoll, ‘An Evaluation of First-order Closure Models for Canopy Tur- bulence in Fast-Response Diagnostic Wind Models, 34th Conference on Agricultural and Forest Meteorology, June 21-23, online, presentation 6.6, 2021. Other, Presented, 06/2021.
  • Moody, M., Stoll, R., Pardyjak, E., Krueger, S. K., Gibbs, J. A., Willemsen, P., Kochanski, A. K. and J. Mandel, ‘A Dynamically Coupled Fast-Response Microscale Fire and Wind Model, 13th Fire and Forest Meteorology Virtual Symposium, May 11-13, online, presenta- tion 12.4, 2021. Other, Presented, 05/2021.
  • Mandel, J., Kochanski, A. K., Farguell, A., Mallia, D.V., Haley, J., Morrison, A., Shapiro, E., Willemsen, P., Bozorgmehr, B., Stoll, R., Pardyjak, E., Moody, M., Bergstrom, K., Hilburn, K. and S. K. Krueger, ‘A Coupled Fire-Atmosphere Model with Mass-Consistent Wind Downscaling’, 13th Fire and Forest Meteorology Virtual Symposium, May 11-13, online, presentation 12.8, 2021. Other, Presented, 05/2021.
  • Moody, M., Stoll, R., Gibbs, J. and E. Pardyjak, ‘QES-Fire: A Microscale Fast Response Wildfire Model’, American Geophysical Society Fall Meeting 2019. San Francisco, CA, Abstract A23J-2950, 2019. Other, Presented, 12/2019.
  • Renault, M. A., Pardyjak, E., Stoll, R., Bozorgmehr, B., Willemsen, P. and J. Gibbs, ‘High-resolution modeling of heterogeneous land-surface features and their impacts on pollution dispersion, wildfire spread and renewable-energy availability’, 10th Annual Northwest Climate Conference, Portland, OR, Abstract 73, 2019. Other, Presented, 10/2019.
  • Lynch, B. M., Stoll, R., Christen, A., Mahaffee, W. and S. T. Salesky, ‘The Influence of Urban Form and Vegetation on Near-Source Dispersion in a Realistic Urban Canopy’, American Meteorological Society 99th Annual Meeting, Phoenix, AZ, Abstract S61, 2019. Other, Presented, 01/2019.
  • Krueger, S. K., Bailey, B., Jenkins, M. A., Kochanski, A., Mallia, D. V., Mandel, J., Pardyjak, E., Stoll, R., Wagenbrenner, N. S. and P. Willemsen, ‘A fast-response wildland fire modeling framework for prediction and risk assessment’, American Geophysical Society Fall Meeting, Washington, DC, Abstract NH31C-1005, 2018. Other, Presented, 12/2018.
  • Renault, M. A., Pardyjak, E., Stoll, R., Bozorgmehr, B., Willemsen, P., Gibbs, J. and Z. Patterson, ‘Fast-response, high-resolution wind modeling over complex terrain’, American Geophysical Society Fall Meeting, Washington, DC, Abstract A53B-06, 2018. Other, Presented, 12/2018.
  • Perelet, A. O., Higgins, C. W., Mahaffee, W., Stoll, R. and E. Pardyjak, ‘Using scintillometry to understand MOST validity over a trellised canopy’, American Geophysical Society Fall Meeting, Washington, DC, Abstract A31K-3053, 2018. Other, Presented, 12/2018.
  • Nemati Hayati, A., R. Stoll, E. R. Pardyjak and P. Willemsen, ‘Computational Study of Energy and Moisture in a Vegetated, Complex Urban Area Using a Fast-response Environment Simulation Software’, 10th International Conference on Urban Climate / 14th Symposium on the Urban Environment, New York City, NY, Abstract 4D.8, 2018. Other, Presented, 08/2018.
  • Stoll, R., S. T. Salesky, A. Christen, W. Mahaffee and N. E. Miller, ‘The Impact of Trees and Buildings on Dispersion of Heavy Particles in a North American Suburban Neighborhood’, 10th International Conference on Urban Climate / 14th Symposium on the Urban Environment, New York City, NY, Abstract 2E.4, 2018. Other, Presented, 08/2018.
  • Bianchi, C., A. Smith, P. Willemsen, R. Stoll, E. R. Pardyjak and A. Nemati Hayati, ‘High-Resolution Microclimate Modeling for Improved Building Energy Simulations’, 10th International Conference on Urban Climate / 14th Symposium on the Urban Environment, New York City, NY, Abstract 82, 2018. Other, Presented, 08/2018.
  • Gibbs, J. A., R. Stoll, P. He, G. Q. Torkelson and T. Harman, ‘The Effects of Horizontal Heterogeneity on the Dynamics of the Nocturnal Boundary Layer across Scales’, 23rd Symposium on Boundary Layers and Turbulence / 21st Conference on Air-Sea Interaction, Oklahoma City, OK, Abstract 1B.4, 2018. Other, Presented, 06/2018.
  • Stoll, R., S. T. Salesky, M. Giometto, A. Christen, W. Mahaffee and E. R. Pardyjak, ‘The Im- pact of Urban Form on Particle Dispersion in a Residential Neighborhood’, 23rd Symposium on Boundary Layers and Turbulence / 21st Conference on Air-Sea Interaction, Oklahoma City, OK, Abstract 8A.2, 2018. Other, Presented, 06/2018.
  • Torkelson, G., T. Price, and R. Stoll, ‘An a Priori Evaluation of Large-Eddy Simulation Sub-Filter Scale Models within Trellised Agricultural Canopies’, 33rd Conference on Agricultural and Forest Meteorology / 12th Fire and Forest Meteorology Symposium / Fourth Conference on Biogeosciences, Boise, ID, Abstract 10.1, 2018. Other, Presented, 05/2018.
  • Ulmer, L., W. Mahaffee, E. R. Pardyjak and R. Stoll, ‘Modeling Plume Dispersion in Sparse Organized Agricultural Canopies Using the QUIC Modeling System: Model Development and Validation’, 33rd Conference on Agricultural and Forest Meteorology / 12th Fire and Forest Meteorology Symposium / Fourth Conference on Biogeosciences, Boise, ID, Abstract 10.5, 2018. Other, Presented, 05/2018.
  • Pardyjak, R., T. Price, S. Speckart, J. Vernath, L. Ulmer and R. Stoll, ‘A Modeling and Field Study of the Impacts of a Windbreak on Dust Transport and Deposition’, 33rd Conference on Agricultural and Forest Meteorology / 12th Fire and Forest Meteorology Symposium / Fourth Conference on Biogeosciences, Boise, ID, Abstract 10.4, 2018. Other, Presented, 05/2018.
  • B. Bailey, R. Stoll, and E. R. Pardyjak, ‘Recent Advances in Lagrangian Modeling of Dispersion in Plant Canopies’, 33rd Conference on Agricultural and Forest Meteorology / 12th Fire and Forest Meteorology Symposium / Fourth Conference on Biogeosciences, Boise, ID, Abstract 7.5, 2018. Other, Presented, 05/2018.
  • Moody, M., R. Stoll, B. Bailey, E. R. Pardyjak, and W. Mahaffee, ‘Adaptation and Validation of a Voxel Based Energy Transport Model for Conifer Species’, 33rd Conference on Agricultural and Forest Meteorology / 12th Fire and Forest Meteorology Symposium / Fourth Conference on Biogeosciences, Boise, ID, Abstract 9.6, 2018. Other, Presented, 05/2018.
  • Christen, A., Stoll, R., Mahaffee, W., Salesky, S. and A. Therias, ‘A tracer experiment to study near-source dispersion of heavy particles within a vegetated urban canopy layer’, 20th EGU General Assembly, Vienna, Austria, p. 10762, 2018. Other, Presented, 04/2018.
  • Matt Moody, & B. Bailey and R. Stoll. (2017) Modeling Transport of Turbulent Fluxes in a Heterogeneous Urban Canopy Using a Spatially Explicit Energy Balance’. , American Geophysical Society Fall Meeting, New Orleans, LA, Abstract A52C-06, 2017. Other, Presented, 12/15/2017.
  • R. Stoll, A. Christen, W. Mahaffee, S. Salesky, A. Therias, and S. Caitlin, ‘An experimental study of the impact of trees and urban form on the turbulent dispersion of heavy particles from near ground point sources’, American Geophysical Society Fall Meeting, New Orleans, LA, Abstract A54A-07, 2017. Other, Presented, 12/15/2017.
  • Torkelson, G., and R. Stoll, ‘Enhanced Representation of Turbulent Flow Phenomena in Large-Eddy Simulations of the Atmospheric Boundary Layer using Grid Refinement with Pseudo-Spectral Numerics’, American Geophysical Society Fall Meeting, New Orleans, LA, Abstract A51A-2034, 2017. Other, Presented, 12/15/2017.
  • Nemati Hayati, A., R. Stoll, T. Harman, J. Feliciano, and E. R. Pardyjak, ‘Large-Eddy Simulation of the Oklahoma City Joint Urban 2003 Experiment Using Uintah:MPMICE’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 14A.1, 2016. Other, Other, 06/24/2016.
  • Ulmer, L., N. E. Miller, W. Mahaffee, E. R. Pardyjak, and R. Stoll, ‘Validating the QUIC Dispersion Model in Sparse Canopy Settings: Particle Release Experiments in Vineyards’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 7.5, 2016. Other, Submitted, 06/23/2016.
  • Bianchi, C., M. Overby, P. Willemsen, A. Smith, R. Stoll , and E. R. Pardyjak, ‘Effects of Structures in the Urban Environment on Solar Irradiance Availability’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 86, 2016. Other, Presented, 06/23/2016.
  • Girard, P., D. Nadeau, E. R. Pardyjak, M. Overby, P. Willemsen, D. C. Alexander, R. Stoll, B. N. Bailey, and M. B. Parlange, ‘Validation of a Fast-Response Urban Microclimate Model Using a Dense Network of Weather Observations’, 22 nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 14A.6, 2016. Other, Presented, 06/23/2016.
  • Moody, M., B. N. Bailey, R. Stoll, E. R. Pardyjak, and W. Mahaffee, ‘Radiation Heat Transfer and Microclimate in and Around Isolated Conifers’, 22 nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 107, 2016. Other, Presented, 06/23/2016.
  • Miller, N. E., R. Stoll, W. Mahaffee, T. Neill, and E. R. Pardyjak, ‘Field-scale Particle Transport in a Trellised Agricultural Canopy During Periods of Row-aligned Winds’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 105, 2016, student presentation award. Other, Other, 06/23/2016.
  • Nemati Hayati, A., R. Stoll, T. Harman, J. J. Kim, M. A. Nelson, M. J. Brown, and E. R. Pardyjak, ‘Inter-Model Flow Topology Comparison of Simple CFD, RANS and LES Simula- tions for Complex Street Canyons’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 77, 2016. Other, Presented, 06/23/2016.
  • Khan, M. A., and R. Stoll, ‘The Effect of Rotation on Very Large Scale Motions in the Atmospheric Boundary Layer’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 25, 2016. Other, Presented, 06/23/2016.
  • Miller, N. E., R. Stoll, W. Mahaffee, T. Neill, and E. R. Pardyjak, ‘Particle Transport and Plume Shape Characteristics in a Trellised Agricultural Canopy During Non-row-parallel Winds’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 11A.2, 2016. Other, Presented, 06/22/2016.
  • Price, T., and R. Stoll, ‘An Experimental Investigation of the Turbulent Kinetic Energy Budget within Sparse Organized Canopies’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/ 3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 11A.3, 2016. Other, Presented, 06/22/2016.
  • Didier, R. C., N. Gunawardena, E. Prucka, R. Stoll , A. D. Smith, and E. Pardyjak, ‘Linking Microclimate and Energy Use with a Low Cost Wall Mounted Measurement System’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 87, 2016. Other, Other, 06/22/2016.
  • Bailey, B. N. and R. Stoll, ‘Lagrangian-based Visualization Techniques for the Observation of Instantaneous Coherent Turbulence Structures in Plant Canopy Flows’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 1.6, 2016. Other, Presented, 06/21/2016.
  • Gowen, T., T. Price, E. R. Pardyjak, and R. Stoll, ‘A Wind Tunnel Study of Windbreak Flow Dynamics Using Particle Imaging Velocimetry’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/ 3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 106, 2016. Other, Presented, 06/21/2016.
  • H. Eshagh, Nemati Hayati, A., E. R. Pardyjak, and R. Stoll, ‘Evaluation of a simple CFD model in a complex vegetated urban area during the 2015 Engineering-quad experiment at the University of Utah’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 78, 2016. Other, Presented, 06/21/2016.
  • Miller, N. E., R. Stoll, W. Mahaffee, T. Neill, and E. R. Pardyjak, ‘Methodologies for Particle Dispersion Experiments in Plant Canopies’, 22nd Symposium on Boundary Layers, 32nd Conference on Agricultural and Forest Meteorology/3rd Conference on Atmospheric Biogeosciences, Salt Lake City, UT, Abstract 114, 2016. Other, Presented, 06/20/2016.
  • Bailey, B. N. and R. Stoll, ‘Understanding and eliminating instabilities and ‘rogue trajectories’ in Lagrangian stochastic particle dispersion models’, 9th International Conference on Urban Climate – ICUC 9 and 12th Symposium on the Urban Environment, Toulouse, France, Contribution 811, 2015. Other, Presented, 07/2015.
  • Willemsen, P., M. Overby, K. Briggs, B. Bailey, D. Alexander, R. Stoll and E. Pardyjak, ‘Integration of Urban Microclimate Models using the QUIC EnvSim GPU Framework’, 9th International Conference on Urban Climate – ICUC 9 and 12th Symposium on the Urban Environment, Toulouse, France, Contribution 802, 2015. Other, Presented, 07/2015.
  • Willemsen,P.,D.Schroeder,M.Overby,R.StollandE.Pardyjak,‘VisualizationandExplo- ration of Urban Microclimate Simulations using the QUIC EnvSim GPU Framework’, 9th International Conference on Urban Climate – ICUC 9 and 12th Symposium on the Urban Environment, Toulouse, France, Contribution 813, 2015. Other, Presented, 07/2015.
  • Pardyjak, E., K. Briggs, M. Overby, D. Alexander, B. Bailey, R. Stoll, and P. Willemsen, ‘Exploring the impact of alternative urban design scenarios on microclimate using QUIC- EnvSim’, 9th International Conference on Urban Climate – ICUC 9 and 12th Symposium on the Urban Environment, Toulouse, France, Contribution 805, 2015. Other, Presented, 07/2015.
  • Bailey, B. N., M. Overby, R. Stoll, E. Pardyjak, P. Willemsen, K. Briggs, and D. Alexander, ‘Incorporating Resolved Vegetation in City-Scale Simulations of Urban Micrometeorology and Its Effect on the Energy Balance’, 9th International Conference on Urban Climate – ICUC 9 and 12th Symposium on the Urban Environment, Toulouse, France, Contribution 810, 2015. Other, Presented, 07/2015.
  • Overby, M., P. Willemsen, E. Pardyjak, and R. Stoll, ‘GPU Accelerated Surface Energy Balance Computations for Urban Environment Simulation’, 93rd American Meteorological Society Annual Meeting, Phoenix, AZ, January 4-8, Abstract 2.1, 2015. Other, Other, 01/2015.
  • Arash Nemati Hayati, Rob Stoll, Todd Harman, Eric Pardyjak, 2014, 'Large-eddy simulation of street canyons and urban microclimate using Uintah:MPMICE', American Geophysical Union Fall Meeting, Dec. 15-19, San Francisco, A43A-3243. Other, Presented, 12/18/2014.
  • Mohammad Khan, Rob Stoll, 2014, 'The effect of Rossby number on the characteristics of superstructures and their impact on interscale energy exchange in the atmospheric boundary layer', American Geophysical Union Fall Meeting Dec. 15-19, San Francisco, A43A-3237. Other, Presented, 12/18/2014.
  • Brian Bailey, Rob Stoll, Nathan Miller, Eric Pardyjak, Walter Mahaffee, 2014, 'Improving and validating 3D models for the leaf energy balance in canopy-scale problems with complex geometry', AGU Fall Meeting, San Francisco, Dec 15-19, A41B-3029. Other, Presented, 12/16/2014.
  • A Multiscale Modeling Framework for Green Environmental Urban Simulations for Sustainability (GEnUSiS), University of Utah Atmospheric Sciences Graduate Seminar Series, October 2014. Invited Talk/Keynote, Presented, 10/2014.
  • Stoll, R., E. R. Pardyjak, P. Willemsen, J. Steenburgh, A. K. Kochanski, B. Bailey, M. Overby, K. A. Briggs and D. Alexander, ‘A multiscale modeling framework for the simulation of momentum, energy, and moisture transport in complex urban canopies’, 21st Sym- posium on Boundary Layers and Turbulence/19th Conference on Air-Sea Interaction, Leeds, UK, Abstract 5A.4, 2014. Other, Presented, 06/12/2014.
  • Bailey, B. N. and R. Stoll, ‘A Lagrangian investigation of momentum and scalar transport in plant canopies’, 21st Symposium on Boundary Layers and Turbulence/19th Conference on Air-Sea Interaction, Leeds, UK, Abstract 8A.8, 2014. Other, Presented, 06/11/2014.
  • Miller, N. E., B. N. Bailey, R. Stoll, W. Mahaffee and E. R. Pardyjak, ‘Mean and turbulent flow statistics in a trellised agricultural canopy’, 21st Symposium on Boundary Layers and Turbulence/19th Conference on Air-Sea Interaction, Leeds, UK, Abstract 7A.4, 2014. Other, Presented, 06/11/2014.
  • Bailey, B. N. and R. Stoll, ‘The creation and evolution of coherent structures in canopy flows’, 21st Symposium on Boundary Layers and Turbulence/19th Conference on Air-Sea Interaction, Leeds, UK, Abstract 7A.1, 2014. Other, Presented, 06/10/2014.
  • Miller, N. E., R. Stoll, W. Mahaffee, T. Neill and E. R. Pardyjak, ‘The effect of wind direction on particle transport in a trellised agricultural canopy’, 31st Conference on Agricultural and Forest Meteorology/ 2nd Conference on Atmospheric Biogeosciences, Portland, OR., Abstract 11.3, 2014. Other, Presented, 05/15/2014.
  • Bailey,B.N.,M.Overby,R.Stoll,P.Willemsen,N.E.Miller,W.MahaffeeandE.R.Pardyjak, ‘A high-resolution canopy radiation and microclimate model based on GPU technology’, 31st Conference on Agricultural and Forest Meteorology/ 2nd Conference on Atmospheric Biogeosciences, Portland, OR., Abstract 6.6, 2014. Other, Other, 05/15/2014.
  • Miller, N., E. R. Pardyjak, W. Mahaffee and R. Stoll, ‘Simulation of particle dispersion in a trellised agricultural canopy using the QUIC dispersion model’, 31st Conference on Agri- cultural and Forest Meteorology/ 2nd Conference on Atmospheric Biogeosciences, Portland, OR., Abstract 13, 2014. Other, Presented, 05/13/2014.
  • Price, T., R. Stoll, M. Stegmeir, B. N. Bailey, E. Pardyjak and J. Johnson, ‘A wind tunnel study of momentum transport in sparse perennial agricultural canopies’, 31st Conference on Agricultural and Forest Meteorology/ 2nd Conference on Atmospheric Biogeosciences, Portland, OR., Abstract 2.1, 2014. Other, Presented, 05/13/2014.
  • Overby, M., S. Halverson, B. N. Bailey, P. Willemsen, R. Stoll and E. Pardyjak, ‘QUIC EnvSim: Radiative Heat Transfer in Vegetative and Urban Environments with NVIDIA OptiX’, NVIDIA GTC 2014, San Jose, CA, March 27, 2014. Other, Presented, 03/27/2014.
  • Briggs, K. A., M. Overby, D. C. Alexander, R. Stoll, P. Willemsen and E. R. Pardyjak, ‘Evaluation of moisture and heat transport in the building-resolving urban transport code QUIC EnviSim’, 11th Symposium on the Urban Environment, Altanta, GA., Abstract 7.6, 2014. Other, Presented, 02/05/2014.
  • Stoll, R., E. R. Pardyjak, B. Bailey, D. Alexander, K. A. Briggs, A. K. Kochanski, J. Steen- burgh, T. Harman, P. Willemsen and M. Overby, ‘A building and tree resolving modeling framework for simulating , momentum, energy, pollutant dispersion, and moisture budgets in complex urban canopies over a wide range of spatial scales’, 11th Symposium on the Urban Environment, Altanta, GA., Abstract 11.3, 2014. Other, Presented, 02/05/2014.
  • Overby, M., B. N. Bailey, R. Stoll, P. Willemsen and E. R. Pardyjak, ‘Simulating radia- tive transport for vegetation in complex urban environments with green infrastructure’, 11th Symposium on the Urban Environment, Altanta, GA., Abstract 7.5, 2014. Other, Presented, 02/04/2014.
  • Kochanski,A.K.,E.R.Pardyjak,W.J.Steenburgh,R.StollandA.Gowardhan,‘Simulation of urban dispersion using a fast response building resolving model coupled with WRF’, 11th Symposium on the Urban Environment, Altanta, GA., Abstract J1.5, 2014. Other, Presented, 02/04/2014.
  • Alexander, D. C., N. Shingleton, K. A. Briggs, M. Overby, J. Clark, S. Halverson, E. R. Pardyjak, P. Willemsen and R. Stoll, ‘Development and testing of a spatially resolved urban land surface model utilizing parallel computing on graphics processing units (GPUs)’, 11th Symposium on the Urban Environment, Altanta, GA., Abstract 291, 2014. Other, Presented, 02/04/2014.
  • Stoll, R., Port´e-Agel, F., 2008, ‘The effect of heterogeneous surface temperature and aerodynamic surface roughness on fluxes in the stable boundary layer‘, 18th Symposium on Boundary Layers and Turbulence of the American Meteorological Society, June 9-13, Stockholm, Sweden, 18B.6. Conference Paper, Presented, 2008.
  • Stoll, R., Port´e-Agel, F., 2008, ‘The combined effect of aerodynamic roughness and surface temperature heterogeneity on the dynamics of the stable boundary layer‘, Invited talk at the Engineering Mechanics Institute of ASCE Conference, May 19-21, Minneapolis, Minnesota. Invited Talk/Keynote, Presented, 2008.

Research Groups

  • Fabien Margairaz, Postdoc. Mechanical Engineering. 08/2019 - present.
  • Alex Bingham, Undergraduate Student. Mechanical Engineering. 05/2019 - 08/01/2021.
  • Adam Gaia, Undergraduate Student. Mechanical Engineering and Computer Science. 08/2018 - 12/2019.
  • Loren Atwood, Graduate Student. 01/2018 - 09/01/2021.
  • Lucas Ulmer, Graduate Student. Mechanical Engineering. 08/2017 - present.
  • Jeremy Gibbs, Research Professor. Mechanical Engineering. 08/2017 - 08/2019.
  • Matt Moody, Graduate Student. Mechanical Engineering. 08/2016 - 06/01/2021.
  • Greg Torkelson, Graduate Student. Mechanical Engineering. 08/2016 - present.