Publications

Chance, F.S., Lofstead, G.F., Metodi, T.S., Mitchell, S.A., Rutka, P.A., Steinmetz, S., Shead, T.M., Teves, J.B., Warrender, C.E., & Warrender, C.E. (2023). Towards a More Effective Hybrid Workforce Culture in a Computationally Focused Research Center. 10.2172/2430469

Mitchell, S.A. (2023). Meshing Ugly Geometry with Sculpt using Winding Numbers [Conference Presenation]. 10.2172/2430467

Mitchell, S.A., Knupp, P., MacKay, S., Deakin, M.F., & Deakin, M.F. (2023). Not so HOT Triangulations [Conference Presenation]. CAD Computer Aided Design. 10.2172/1873284

Mitchell, S.A. (2023). Incremental Interval Assignment by Integer Linear Algebra with Improvements. CAD Computer Aided Design, 158(103485). 10.1016/j.cad.2023.103485

Mitchell, S.A. (2022). Deterministic Linear Time for Maximal Poisson-Disk Sampling using Chocks without Rejection or Approximation [Conference Presenation]. Computer Graphics Forum. 10.2172/2003827

Mitchell, S.A. (2022). Deterministic Linear Time for Maximal Poisson-Disk Sampling using Chocks without Rejection or Approximation [Conference Paper]. Computer Graphics Forum. https://doi.org/10.1111/cgf.14606

Mitchell, S.A. (2021). Computing Geometry as a Mathematician in an Engineering Laboratory [Presentation]. https://www.osti.gov/biblio/1888464

Smith, M.R., Foulk, J.W., Ames, A., Carey, A., Cuellar, C.R., Field, R.V., Maxfield, T., Mitchell, S.A., Morris, E., Moss, B., Nyre-Yu, M., Rushdi, A., Stites, M.C., Smutz, C., Zhou, X., & Zhou, X. (2021). SAGE Intrusion Detection System: Sensitivity Analysis Guided Explainability for Machine Learning. 10.2172/1820253

Mitchell, S.A., Knupp, P., MacKay, S., Deakin, M., & Deakin, M. (2021). Not So HOT Triangulations [Conference Paper]. https://www.osti.gov/biblio/1872906

Mitchell, S.A., Knupp, P., MacKay, S., Deakin, M.F., & Deakin, M.F. (2021). NOT SO HOT TRIANGULATIONS. Proceedings of the 29th International Meshing Roundtable, IMR 2021, 158(1), pp. 240-258. 10.1016/j.cad.2023.103497

Mitchell, S.A. (2021). INCREMENTAL INTERVAL ASSIGNMENT BY INTEGER LINEAR ALGEBRA [Conference Presenation]. Proceedings of the 29th International Meshing Roundtable, IMR 2021. 10.2172/1876720

Mitchell, S.A. (2021). INCREMENTAL INTERVAL ASSIGNMENT BY INTEGER LINEAR ALGEBRA [Conference Paper]. Proceedings of the 29th International Meshing Roundtable, IMR 2021. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85180368913&origin=inward

Moon, C., Mitchell, S.A., Heath, J.E., Andrew, M., & Andrew, M. (2019). Statistical Inference Over Persistent Homology Predicts Fluid Flow in Porous Media. Water Resources Research, 55(11), pp. 9592-9603. 10.1029/2019wr025171

Mitchell, S.A. (2019). Incremental Interval Assignment for Mesh Scaling [Conference Poster]. https://www.osti.gov/biblio/1642842

Koester, J.J., Tupek, M.R., Mitchell, S.A., & Mitchell, S.A. (2019). An Agile Design-to-Simulation Workflow Using a New Conforming Moving Least Squares Method. 10.2172/1569655

Mitchell, S.A. (2019). Incremental Interval Assignment (IIA) for Scalable Mesh Preparation. 10.2172/1569342

Mitchell, S.A., Knupp, P., Abdelkader, A., M Awad, M., Bajaj, C., Deakin, M., Ebeida, M., Engwirda, D., Mahmoud, A., Manocha, D., McKay, S.M., Owens, J., Park, C., Patney, A., Rushdi, A., Swiler, L.P., Wei, L., & Wei, L. (2019). Primal-Dual Mesh Optimization with Mathematical Foundations [Presentation]. https://www.osti.gov/biblio/1596226

Mitchell, S.A., Knupp, P., Abdelkader, A., M Awad, M., Bajaj, C., Deakin, M., Ebeida, M., Engwirda, D., Mahmoud, A., Manocha, D., McKay, S.M., Owens, J., Park, C., Patney, A., Rushdi, A., Swiler, L.P., Wei, L., & Wei, L. (2018). Primal-Dual Mesh Optimization with Mathematical Foundations [Presentation]. https://www.osti.gov/biblio/1596418

Koester, J.J., Chen, J.S., Tupek, M.R., Mitchell, S.A., Bishop, J.E., & Bishop, J.E. (2018). The Conforming Reproducing Kernel Methods for an Agile Design-to-Simulation Workflow [Conference Poster]. https://www.osti.gov/biblio/1594688

Mitchell, S.A. (2018). Sphere Sampling for Meshing & Reconstruction with Delaunay & Voronoi Cells [Conference Poster]. https://www.osti.gov/biblio/1806817

Mitchell, S.A. (2018). Direct Mission Connections - department review slide [Presentation]. https://www.osti.gov/biblio/1592243

Koester, J.J., Chen, J.S., Tupek, M.R., Mitchell, S.A., Bishop, J.E., & Bishop, J.E. (2018). The Conforming Reproducing Kernel Method for an Agile Design-to-Simulation Workflow [Conference Poster]. https://www.osti.gov/biblio/1592060

Mitchell, S.A., Awad, M.A., Ebeida, M., Swiler, L.P., & Swiler, L.P. (2018). Fast Approximate Union Volume in High Dimensions with Line Samples. 10.2172/1464880

Mitchell, S.A., Ebeida, M., Awad, M.A., Park, C., Patney, A., Rushdi, A.A., Swiler, L.P., Manocha, D., Wei, L.Y., & Wei, L.Y. (2018). Spoke-darts for high-dimensional blue-noise sampling [Conference Poster]. ACM Transactions on Graphics. 10.1145/3194657

Koester, J.J., Chen, J., Tupek, M.R., Mitchell, S.A., Bishop, J.E., & Bishop, J.E. (2018). The Conforming Reproducing Kernel Method for an Agile Design to Simulation Process [Conference Poster]. https://www.osti.gov/biblio/1806790

Valicka, C.G., Mitchell, S.A., Rowe, S., Zou, S., & Zou, S. (2018). Footprint Placement for Mosaic Imaging by Sampling and Optimization [Conference Poster]. https://www.osti.gov/biblio/1527256

Abdelkader, A., Bajaj, C.L., Ebeida, M., Mahmoud, A.H., Mitchell, S.A., Owens, J.D., Rushdi, A.A., & Rushdi, A.A. (2018). VoroCrust illustrated: Theory and challenges [Conference Poster]. Leibniz International Proceedings in Informatics, LIPIcs. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85048990576&origin=inward

Abdelkader, A., Bajaja, C.L., Ebeida, M., Mahmoud, A.H., Mitchell, S.A., Owens, J.D., Rushdi, A.A., & Rushdi, A.A. (2018). Sampling Conditions for Conforming Voronoi Meshing by the VoroCrust Algorithm. LIPIcs-Leibniz International Proceedings in Informatics, 99. 10.4230/LIPIcs.SoCG.2018.1

Abdelkader, A., Bajaj, C.L., Ebeida, M.S., Mahmoud, A.H., Mitchell, S.A., Owens, J.D., Rushdi, A.A., & Rushdi, A.A. (2018). Sampling conditions for conforming voronoi meshing by the vorocrust algorithm [Conference Poster]. Leibniz International Proceedings in Informatics, LIPIcs. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85048987919&origin=inward

Abdelkader, A., Bajaj, C., Ebeida, M., Mahmoud, A.H., Mitchell, S.A., Owens, J.D., Rushdi, A.A., & Rushdi, A.A. (2018). VoroCrust Illustrated: Theory and Challenges [Conference Poster]. https://www.osti.gov/biblio/1572448

Mitchell, S.A., Valicka, C.G., Rowe, S., Zou, S., & Zou, S. (2018). Footprint placement for mosaic imaging by sampling and optimization [Conference Poster]. Proceedings International Conference on Automated Planning and Scheduling, ICAPS. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85054965435&origin=inward

Mitchell, S.A., Mousley, S.C., Deakin, M., Knupp, P., & Knupp, P. (2017). Meshes optimized for discrete exterior calculus (DEC). 10.2172/1414659

Moon, C., Heath, J.E., Mitchell, S.A., & Mitchell, S.A. (2017). Statistical Inference for Porous Materials using Persistent Homology. 10.2172/1414662

Moon, C., Mitchell, S.A., Callor, N., Dewers, T., Heath, J.E., Yoon, H., Conner, G.R., & Conner, G.R. (2017). Persistent Homology fingerprinting of microstructural controls on larger-scale fluid flow in porous media [Conference Poster]. https://www.osti.gov/biblio/1485718

Mitchell, S.A., Knupp, P.M., & Knupp, P.M. (2017). Unstructured Primal-Dual Mesh Improvement and Generation [Presentation]. https://www.osti.gov/biblio/1470689

Ebeida, M., Rushdi, A.A., Mitchell, S.A., Mahmoud, A.H., Bajaj, C.C., & Bajaj, C.C. (2017). All-quad meshing without cleanup. CAD Computer Aided Design, 85, pp. 83-98. 10.1016/j.cad.2016.07.009

Abdelkader, A., Bajaj, C.L., Ebeida, M., Mitchell, S.A., & Mitchell, S.A. (2017). A seed placement strategy for conforming voronoi meshing [Conference Poster]. CCCG 2017 - 29th Canadian Conference on Computational Geometry, Proceedings. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85048959373&origin=inward

Valicka, C.G., Rowe, S., Mitchell, S.A., Zou, S., & Zou, S. (2017). Nonoverlapping Grid-aligned Rectangle Placement for High Value Areas [Conference Poster]. CCCG 2017 - 29th Canadian Conference on Computational Geometry, Proceedings. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85055008701&origin=inward

Jensen, R.P., Mitchell, S.A., Heath, J.E., Skryzalin, J., & Skryzalin, J. (2016). ?Fingerprinting? Microstructures of Rock [Presentation]. https://www.osti.gov/biblio/1409915

Ebeida, M., Mitchell, S.A., Swiler, L.P., Romero, V.J., Rushdi, A.A., & Rushdi, A.A. (2016). POF-Darts: Geometric adaptive sampling for probability of failure. Reliability Engineering and System Safety, 155(C), pp. 64-77. 10.1016/j.ress.2016.05.001

Koester, J.J., Bishop, J.E., Ebeida, M., Mitchell, S.A., & Mitchell, S.A. (2016). Triangulation / Voronoi Cell Based RKPM [Conference Poster]. https://www.osti.gov/biblio/1400061

Valicka, C.G., Rowe, S., Zou, S., Mitchell, S.A., Irelan, W.R., Pollard, E.L., Garcia, D., Hackebeil, G., Staid, A., Foulk, J.W., Watson, J., Hart, W.E., Rathinam, S., Ntaimo, L., & Ntaimo, L. (2016). Dynamic Multi-Sensor Multi-Mission Optimal Planning Tool. 10.2172/1562409

Abdelkader, A., Mitchell, S.A., Ebeida, M., & Ebeida, M. (2016). Steiner Point Reduction in Planar Delaunay Meshes [Conference Poster]. https://www.osti.gov/biblio/1365084

Ober, C.C., Smith, T.M., Overfelt, J.R., Collis, S.S., von Winckel, G., van Bloemen Waanders, B., Downey, N.J., Mitchell, S.A., Bond, S.D., Aldridge, D.F., Krebs, J.R., & Krebs, J.R. (2016). Visco-TTI-elastic FWI using discontinuous galerkin [Conference Poster]. SEG Technical Program Expanded Abstracts. 10.1190/segam2016-13847188.1

Ebeida, M., Rushdi, A.A., Awad, M.A., Mahmoud, A.H., Yan, D.M., English, S.A., Owens, J.D., Bajaj, C.L., Mitchell, S.A., & Mitchell, S.A. (2016). Disk density tuning of a maximal random packing [Conference Poster]. Eurographics Symposium on Geometry Processing. 10.1111/cgf.12981

Ohrhallinger, S., Mitchell, S.A., Wimmer, M., & Wimmer, M. (2016). Curve reconstruction with many fewer samples [Conference Poster]. Eurographics Symposium on Geometry Processing. 10.1111/cgf.12973

Rushdi, A., Swiler, L.P., Mitchell, S.A., Jakeman, J.D., Phipps, E.T., Ebeida, M., & Ebeida, M. (2015). VPS: Voronoi Piecewise Surrogate Models for High-Dimensional Data Fitting [Presentation]. 10.1615/Int.J.UncertaintyQuantification.2016018697

Romero, V.J., Swiler, L.P., Ebeida, M., Mitchell, S.A., Glickman, M.R., & Glickman, M.R. (2015). Some Test Problems and Results in Assessing Methods for Calculating Low Probabilities of Failure [Conference Poster]. https://www.osti.gov/biblio/1339060

Ebeida, M., Rushdi, A., Swiler, L.P., Mitchell, S.A., Owens, J., Ashkiani, S., Patney, A., & Patney, A. (2015). Recursive k-d Darts for Exploring High-Dimensional Spaces [Presentation]. https://www.osti.gov/biblio/1514296

Mitchell, S.A., Ebeida, M., Romero, V.J., Swiler, L.P., Rushdi, A.A., Abdelkader, A., & Abdelkader, A. (2015). Efficient Probability of Failure Calculations for QMU using Computational Geometry LDRD 13-0144 Final Report. 10.2172/1221522

Valicka, C.G., Hart, W.E., Foulk, J.W., Mitchell, S.A., Pollard, E.L., Zou, S., Rowe, S., & Rowe, S. (2015). Mixed-Integer Formulations for Constellation Scheduling [Conference Poster]. https://www.osti.gov/biblio/1321814

Ebeida, M., Mitchell, S.A., Littlewood, D.J., Bishop, J.E., Rushdi, A., & Rushdi, A. (2015). Unleashing the Power of Voronoi Decompositions in low and high dimensions [Presentation]. https://www.osti.gov/biblio/1246308

Mitchell, S.A. (2014). Delaunay quadrangulation by two-coloring vertices [Conference Poster]. 10.1016/j.proeng.2014.10.397

Ebeida, M., Mitchell, S.A., Swiler, L.P., Romero, V.J., & Romero, V.J. (2014). POF-Darts: Geometric Adaptive Sampling for Probability of Failure. SIAM Journal on Uncertainty Quantification. https://www.osti.gov/biblio/1184488

Mitchell, S.A., Mohamed, M.A., Mahmoud, A.H., Ebeida, M., & Ebeida, M. (2014). Delaunay quadrangulation by two-coloring vertices - extended version with quad-quality proofs appendix [Conference Poster]. https://www.osti.gov/biblio/1315030

Mitchell, S.A. (2013). Curve Reconstruction With Only Half The Samples [Conference]. https://www.osti.gov/biblio/1115036

Ebeida, M., Mitchell, S.A., & Mitchell, S.A. (2013). Advancing Front for Efficient Blue Noise Sampling Across Various Dimensions [Conference]. https://www.osti.gov/biblio/1080203

Mitchell, S.A., Ebeida, M., & Ebeida, M. (2013). Balloon Darts: Estimating the Volume of the Union of d-Balls with Spoke Samples [Conference]. https://www.osti.gov/biblio/1079006

Ebeida, M., Mitchell, S.A., Knupp, P., & Knupp, P. (2013). Improving Spatial Coverage while Preserving Blue Noise [Conference]. https://www.osti.gov/biblio/1079021

Mitchell, S.A., Ebeida, M., Knupp, P., & Knupp, P. (2012). Polygons instead of Quadtree [Conference]. https://www.osti.gov/biblio/1073427

Mitchell, S.A. (2012). Variable Radii Poisson-Disk Sampling [Conference]. https://www.osti.gov/biblio/1078738

Mitchell, S.A. (2012). k-d darts: Sampling by k-Dimensional Flat Searches [Conference]. https://www.osti.gov/biblio/1078674

Mitchell, S.A., Day, D.M., & Day, D.M. (2011). Flexible approximate counting [Conference]. ACM International Conference Proceeding Series. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=84855319031&origin=inward

Ebeida, M., Mitchell, S.A., & Mitchell, S.A. (2011). New approaches to solve the meshing problem [Conference]. https://www.osti.gov/biblio/1107026

Ebeida, M., Mitchell, S.A., & Mitchell, S.A. (2011). New approaches to solve the meshing problem [Conference]. https://www.osti.gov/biblio/1106972

Mitchell, S.A., Ebeida, M., & Ebeida, M. (2011). Uniform Random Voronoi Meshes for Ensembles of Lagrangian Fracture Simulations [Conference]. https://www.osti.gov/biblio/1106824

Ebeida, M., Mitchell, S.A., Leung, V.J., Bishop, J.E., Martinez, M., & Martinez, M. (2011). Mesh Generation for Modeling and Simulation of Carbon Sequestration Process [Conference]. https://www.osti.gov/biblio/1107220

Mitchell, S.A., Ebeida, M., & Ebeida, M. (2011). Maximal Poisson-Disk Sampling with Finite Precision and Linear Complexity in Fixed Dimensions [Conference]. https://www.osti.gov/biblio/1109248

Ebeida, M., Mitchell, S.A., Knupp, P., Leung, V.J., & Leung, V.J. (2011). Conforming Voronoi Meshing Based on Maximal Poisson Sampling [Conference]. https://www.osti.gov/biblio/1106284

Ebeida, M., Knupp, P., Mitchell, S.A., Leung, V.J., & Leung, V.J. (2011). Conforming Voronoi Meshing for three dimensional domains with multiple cracks [Conference]. https://www.osti.gov/biblio/1120637

Mitchell, S.A., Knupp, P., Ebeida, M., & Ebeida, M. (2011). Maximal Poisson-Disk Sampling [Conference]. https://www.osti.gov/biblio/1120910

Mitchell, S.A., Knupp, P., Ebeida, M., & Ebeida, M. (2011). A Linear Conforming Delaunay Triangulation method for GPU applications [Conference]. https://www.osti.gov/biblio/1120828

Mitchell, S.A. (2010). Geometric Comparison of Popular Mixture-Model Distances. Computer Aided Geometric Design. https://www.osti.gov/biblio/1141562

Mitchell, S.A. (2010). LDRD 149045 final report distinguishing documents. 10.2172/1008125

Mitchell, S.A. (2010). Geometric comparison of popular mixture-model distances [Conference]. https://www.osti.gov/biblio/1027001

Stearley, J., Mitchell, S.A., & Mitchell, S.A. (2010). Root Cause Analysis of Networked Computer Alerts. Technometrics. https://www.osti.gov/biblio/1123432

Mitchell, S.A., Bennett, J.C., Day, D.M., & Day, D.M. (2009). Summary of the CSRI Workshop on Combinatorial Algebraic Topology (CAT): Software, Applications, & Algorithms. 10.2172/1324989

Mitchell, S.A. (2009). CAT Workshop 2009 Poster [Presentation]. https://www.osti.gov/biblio/1695544

Collins, M.J., Mitchell, S.A., & Mitchell, S.A. (2008). Distance-avoiding sequences for extremely low-bandwidth authentication [Conference]. Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics). https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=56449115227&origin=inward

McNamara, L.A., Trucano, T.G., Backus, G.A., Mitchell, S.A., & Mitchell, S.A. (2008). R&D for computational cognitive and social models : foundations for model evaluation through verification and validation (final LDRD report). 10.2172/945901

Mitchell, S.A. (2006). 1411 Department Review 2006 [Presentation]. https://www.osti.gov/biblio/1729813

Shepherd, J.F., Mitchell, S.A., Knupp, P., White, D.R., & White, D.R. (2000). Methods for Multisweep Automation [Conference]. https://www.osti.gov/biblio/763103

Knupp, P., Mitchell, S.A., & Mitchell, S.A. (1999). Integration of Mesh Optimization with 3D All-Hex Mesh Generation, LDRD Subcase 3504340000, Final Report. 10.2172/14930

White, D.R., Mitchell, S.A., & Mitchell, S.A. (1999). A Method for Controlling Skew on Linked Surfaces [Conference]. https://www.osti.gov/biblio/14066

Shepherd, J.F., Mitchell, S.A., & Mitchell, S.A. (1999). The Graft Tool: An All-Hexahedral Transition Algorithm for Creating a Multi-Directional Swept Volume Mesh [Conference]. https://www.osti.gov/biblio/14062

Shepherd, J.F., Mitchell, S.A., & Mitchell, S.A. (1999). Interval Assignment for Volumes with Holes. Internatioanl Journal of Numerical Methods in Engineering. https://www.osti.gov/biblio/12667

Mitchell, S.A. (1996). Choosing corners of rectangles for mapped meshing [Conference]. https://www.osti.gov/biblio/474902

Mitchell, S.A. (1995). Linear-size nonobtuse triangulation of polygons [Conference]. Discrete & Computational Geometry. https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=21844517139&origin=inward

Mitchell, S.A. (1995). Pillowing doublets: Refining a mesh to ensure that faces share at most one edge [Conference]. https://www.osti.gov/biblio/125090

Mitchell, S.A. (1995). A characterization of the quadrilateral meshes of a surface which admit a compatible hexahedral mesh of the enclosed volume [Conference]. https://www.osti.gov/biblio/150702

Mitchell, S.A. (1994). Cardinality bounds for triangulations with bounded minimum angle [Conference]. https://www.osti.gov/biblio/10146193

Mitchell, S.A. (1993). Finding a covering triangulation whose maximum angle is provably small [Conference]. https://www.osti.gov/biblio/10148829