Brian Neal Granzow

Computational Multiphysics

Author profile picture

Computational Multiphysics

bngranz@sandia.gov

(505) 284-3216

Sandia National Laboratories, New Mexico
 P.O. Box 5800
 Albuquerque, NM 87185-1321

Biography

Brian received a Ph.D. in mechanical engineering from Rensselaer Polytechnic Institute and a B.S. in applied mathematics from the University of New Mexico. His research interests include developing numerical algorithms and software for predictive simulation on next-generation architectures, a posteriori error estimation in finite element analysis, unstructured mesh adaptivity, and adaptive mesh mesh refinement.

Education

B.S. Applied Mathematics – University of New Mexico

Ph.D. Mechanical Engineering – Rensselaer Polytechnic Institute

Publications

  • Granzow, B.N., Bond, S.D., Seidl, D.T., & Endtmayer, B. (2026). A note on the reliability of goal-oriented error estimates for Galerkin finite element methods with nonlinear functionals. Applied Mathematics Letters, 172. https://doi.org/10.1016/j.aml.2025.109742 Publication ID: 160228
  • Seidl, D.T., Granzow, B.N., Kumar, S., Yang, J., & Fuhg, J.N. (2025). A comparative study of calibration techniques for finite strain elastoplasticity: Numerically-exact sensitivities for FEMU and VFM. Computer Methods in Applied Mechanics and Engineering, 444. https://doi.org/10.1016/j.cma.2025.118159 Publication ID: 157460
  • Granzow, B.N., Bond, S.D., Powell, M.J., & Ibanez, D.A. (2025). An efficient second-order adaptive procedure for inserting CAD geometries into hexahedral meshes using volume fractions. Engineering with Computers, 41(5), pp. 3787-3798. https://doi.org/10.1007/s00366-025-02193-1 Publication ID: 157444
  • Bond, S.D., Cearley, G., Hamlin, N.D., Cochrane, K., Crockatt, M.M., Gardiner, T.A., Granzow, B.N., Martin, M.R., Stagg, A.K., Voth, T.E., Weis, M.R., Woolstrum, J.M., & Yusuf, N.A. (2024). Verification and Validation Testing of the FLEXO Extended-MHD Code [Poster]. https://doi.org/10.2172/2589654 Publication ID: 160712
  • Stagg, A.K., Adams, M.B.P., Bond, S.D., Bova, S.W., Cearley, G.S., Cochrane, K., Crockatt, M.M., Gardiner, T.A., Granzow, B.N., Hamlin, N.D., Martin, M.R., Shulenburger, L.N., Voth, T.E., Weis, M.R., Woolstrum, J.M., & Yusuf, N.A. (2024). FLEXO: A Portably Performant Code for Pulsed Power Target Physics. https://doi.org/10.2172/2462910 Publication ID: 154672
  • Robinson, A.C., Ibanez, D.A., & Granzow, B.N. (2024). Integration of sub-cell geometry for immersed finite elements for next-generation computational platforms [Conference Poster]. https://doi.org/10.2172/2584778 Publication ID: 156688
  • Granzow, B.N., Ibanez, D.A., Powell, M.J., & Bond, S.D. (2024). Efficient Second-Order CAD Insertion into Unstructured Meshes [Conference Presentation]. https://doi.org/10.2172/2585757 Publication ID: 157832
  • Stagg, A.K., Beckwith, K., Bond, S.D., Bova, S.W., Cochrane, K., Crockatt, M.M., Gardiner, T.A., Granzow, B.N., Hamlin, N.D., Martin, M.R., Shulenburger, L.N., Voth, T.E., Woolstrum, J.M., Weis, M.R., & Cearley, G. (2024). Recent Capability Development in FLEXO [Conference Presentation]. https://doi.org/10.2172/2585878 Publication ID: 158244
  • Woolstrum, J.M., Bond, S.D., Bova, S.W., Cochrane, K., Crockatt, M.M., Gardiner, T.A., Granzow, B.N., Hamlin, N.D., Martin, M.R., Shulenburger, L.N., Stagg, A.K., Voth, T.E., & Weis, M.R. (2024). Extended MHD Effects on Current Delivery Explored Using FLEXO [Conference Presentation]. https://doi.org/10.2172/2585889 Publication ID: 158280
  • Seidl, D.T., Granzow, B.N., Jones, R.E., & Patel, R. (2024). Calibration of Hybrid Constitutive Models from Full-field Data [Conference Presentation]. https://doi.org/10.2172/2586354 Publication ID: 159872
  • Seidl, D.T., Granzow, B.N., Jones, R.E., & Patel, R. (2024). Calibration of Hybrid Constitutive Models from Full-field Data [Conference Presentation]. https://doi.org/10.2172/2585215 Publication ID: 156756
  • Seidl, D.T., Granzow, B.N., Jones, R.E., & Patel, R. (2024). Calibration of Hybrid Constitutive Models from Full-field Data [Presentation]. https://doi.org/10.2172/2585215 Publication ID: 152720
  • Granzow, B.N., Seidl, D.T., & Bond, S.D. (2023). Linearization errors in discrete goal-oriented error estimation [Conference Presentation]. Computer Methods in Applied Mechanics and Engineering. https://doi.org/10.2172/2430576 Publication ID: 125960
  • Granzow, B.N., Seidl, D.T., & Bond, S.D. (2023). Linearization errors in discrete goal-oriented error estimation. Computer Methods in Applied Mechanics and Engineering, 416(416). https://doi.org/10.1016/j.cma.2023.116364 Publication ID: 123156
  • Seidl, D.T., & Granzow, B.N. (2023). A Goal-oriented Approach to Model Form Error for Constitutive Models [Conference Presentation]. https://doi.org/10.2172/2430613 Publication ID: 126104
  • Ibanez, D.A., Powell, M.J., & Granzow, B.N. (2023). Fast and Robust Conversion of CAD to Structured Grid Volume Fractions [Conference Presentation]. https://doi.org/10.2172/2430563 Publication ID: 125908
  • Niederhaus, J.H.J., Bova, S.W., Carleton, J.B., Carpenter, J.H., Cochrane, K., Crockatt, M.M., Dong, W., Fuller, T.J., Granzow, B.N., Ibanez, D.A., Kennon, S.R., Luchini, C.B., Moral, R.J., Brien, T.J., Powell, M.J., Robinson, A.C., Rodriguez, A.E., Sanchez, J.J., Scott, W.A., … Wilkes, J.R. (2023). ALEGRA: Finite element modeling for shock hydrodynamics and multiphysics. International Journal of Impact Engineering, 180. https://doi.org/10.1016/j.ijimpeng.2023.104693 Publication ID: 123612
  • Beckwith, K., Voth, T.E., Bond, S.D., Stagg, A.K., Granzow, B.N., Hamlin, N.D., Martin, M.R., Gardiner, T.A., Adams, M.B.P., Woolstrum, J.M., Weis, M.R., Shipley, G.A., Shulenburger, L.N., & Bova, S.W. (2023). FLEXO: Next Generation Capabilities for Pulsed Power Experimental Design [Conference Presentation]. https://doi.org/10.2172/2431176 Publication ID: 128080
  • Seidl, D.T., & Granzow, B.N. (2022). Calibration of Elastoplastic Constitutive Model Parameters with Automatic Differentiation-based Sensitivities: Application to Full-field Experimental Data [Conference Presentation]. https://doi.org/10.2172/2006040 Publication ID: 120888
  • Niederhaus, J.H.J., Powell, M.J., Bova, S.W., Carleton, J.B., Carpenter, J.H., Cochrane, K., Crockatt, M.M., Dong, W., Fuller, T.J., Granzow, B.N., Ibanez, D.A., Kennon, S.R., Luchini, C.B., Moral, R.J., Brien, T.J., Robinson, A.C., Rodriguez, A.E., Sanchez, J.J., Scott, W.A., … Voth, T.E. (2022). ALEGRA: finite element modeling for shock hydrodynamics and multiphysics [Conference Poster]. https://doi.org/10.2172/2004667 Publication ID: 117500
  • Seidl, D.T., & Granzow, B.N. (2022). Calibration of Elastoplastic Constitutive Model Parameters with Automatic Differentiation-based Sensitivities: Application to Full-field Experimental Data [Conference Presentation]. https://doi.org/10.2172/2003612 Publication ID: 113760
  • Foulk, J.W., Ackerman, A., Fate, A.C., Galpin, T.L., Granzow, B.N., Heinstein, M., Noble, D.R., Shelton, T., Staten, M.L., Townsend, M., Wilson, C.R., Winokur, J., & Whitford, G. (2022). Supporting end-to-end workflows for the design and analyst communities through an intuitive frontend and extensible backend grounded in user experience [Conference Presentation]. https://doi.org/10.2172/2003324 Publication ID: 112668
  • Seidl, D.T., & Granzow, B.N. (2022). Calibration of elastoplastic constitutive model parameters from full-field data with automatic differentiation-based sensitivities. International Journal for Numerical Methods in Engineering, 123(1), pp. 69-100. https://doi.org/10.1002/nme.6843 Publication ID: 76414
  • Voth, T.E., Granzow, B.N., Stagg, A.K., Bond, S.D., Hamlin, N.D., Martin, M.R., & Shulenburger, L.N. (2021). FLEXO: Development of a Portably Performant AMR Code for XMHD [Conference Presentation]. https://doi.org/10.2172/1881674 Publication ID: 79702
  • Seidl, D.T., & Granzow, B.N. (2021). Calibration of Elastoplastic Constitutive Model Parameters from Full-Field Data with Automatic Differentiation-based Sensitivities [Conference Presentation]. https://doi.org/10.2172/1884132 Publication ID: 79534
  • Granzow, B.N., Bond, S.D., Martin, M.R., Hamlin, N.D., Stagg, A.K., & Voth, T.E. (2021). FLEXO: Development of a Portably Performant AMR Code for XHMD [Conference Presentation]. https://doi.org/10.2172/1863704 Publication ID: 78103
  • Granzow, B.N., Bays, N.R., Ibanez, D.A., Mota, A., Ostien, J.T., & Talamini, B. (2020). Adaptive Computational Plasticity with a Composite Tetrahedral Element [Conference Presentation]. https://doi.org/10.2172/1833504 Publication ID: 71975
  • Seidl, D.T., & Granzow, B.N. (2020). Elastoplastic Constitutive Model Calibration with Automatic Differentiation-based Sensitivities [Conference Presentation]. https://doi.org/10.2172/1830965 Publication ID: 71066
  • Voth, T.E., Beckwith, K., Bond, S.D., Granzow, B.N., Hamlin, N.D., Hanshaw, H.L., Hansen, G., Jennings, C.A., Love, E., Martin, M.R., Shulenburger, L.N., & Stagg, A.K. (2020). FLEXO Development Activities [Conference Poster]. https://www.osti.gov/biblio/1812279 Publication ID: 74355
  • Granzow, B.N., Oberai, A.A., & Shephard, M.S. (2020). An automated approach for parallel adjoint-based error estimation and mesh adaptation. Engineering with Computers, 36(3), pp. 1169-1188. https://doi.org/10.1007/s00366-019-00890-2 Publication ID: 66498
  • Foulk, J.W., Granzow, B.N., Mota, A., & Ibanez, D.A. (2019). An error estimation driven adaptive tetrahedral workflow for full engineering models. https://doi.org/10.2172/1572227 Publication ID: 65900
  • Granzow, B.N., Bays, N.R., Ibanez, D.A., Mota, A., Ostien, J.T., & Talamini, B. (2019). Adaptive Computational Plasticity with a Composite Tetrahedral Element [Conference Poster]. https://www.osti.gov/biblio/1642927 Publication ID: 65645
  • Powell, M.J., Ibanez, D.A., Fuller, T.J., Granzow, B.N., Voth, T.E., & Hansen, G. (2019). Multi-material dynamic domain topology changes in the Lagrangian Grid Reconnection (LGR) code [Conference Poster]. https://www.osti.gov/biblio/1641929 Publication ID: 64770
  • Beckwith, K., Bond, S.D., Granzow, B.N., Hamlin, N.D., Martin, M.R., Powell, M.J., Ruggirello, K.P., Stagg, A.K., & Voth, T.E. (2019). FLEXO: Development of a Discontinuous Galerkin Multimaterial Magneto-Hydrodynamics Code for MagLIF Simulation [Conference Poster]. https://www.osti.gov/biblio/1641903 Publication ID: 64703
  • Beckwith, K., Bond, S.D., Granzow, B.N., Hamlin, N.D., Hansen, G., Hanshaw, H.L., Jennings, C.A., Martin, M.R., Stagg, A.K., & Voth, T.E. (2019). FLEXO: Development Activities for Z-Next Simulation [Conference Poster]. https://www.osti.gov/biblio/1641605 Publication ID: 70415
  • Granzow, B.N., & Seidl, D.T. (2018). Adjoint-based Calibration of Plasticity Model Parameters from Digital Image Correlation Data. https://doi.org/10.2172/1474264 Publication ID: 59095
  • Granzow, B.N., Voth, T.E., Ibanez, D.A., Bond, S.D., & Hansen, G. (2018). AMR for Multiphysics Applications on Next Generation Systems [Presentation]. https://www.osti.gov/biblio/1806877 Publication ID: 59287
  • Voth, T.E., Beckwith, K., Bond, S.D., Granzow, B.N., Hamlin, N.D., Ibanez, D.A., Jennings, C.A., Martin, M.R., & Stagg, A.K. (2018). Flexo: Development Activities for Z-Next Simulation [Presentation]. https://www.osti.gov/biblio/1806876 Publication ID: 59286
  • Beckwith, K., Bond, S.D., Granzow, B.N., Jennings, C.A., Martin, M.R., Porwitzky, A., Stagg, A.K., & Voth, T.E. (2018). Development of the Flexo XMHD Code [Conference Poster]. https://www.osti.gov/biblio/1575114 Publication ID: 63514
Showing 10 of 39 publications.