Ann S. Almgren

Contact Information

Ann Almgren
MS 50A-1148
Lawrence Berkeley National Lab
1 Cyclotron Rd.
Berkeley, CA 94720

510-486-5758 (ofc)
510-486-6900 (fax)

ASAlmgren@lbl.gov

Affiliation

I am a member of the Computational Research Division of Computing Sciences
at the Lawrence Berkeley National Laboratory,
and affiliated with the Center for Computational Sciences and Engineering (CCSE).

Research Interests

Low Mach number modeling of Type Ia Supernovae.
And more generally, adaptive projection methods for incompressible and low Mach number flows

Past and Present Outside Collaborators

Roberto Camassa (University of North Carolina, Chapel Hill)

Amber Sallerson (University of North Carolina, Chapel Hill)

David Nolan (Rosenstiel School of Marine and Atmospheric Science, University of Miami)

Robert Almgren (formerly of Dept. of Mathematics, Univ. of Toronto)

Nicola Botta (Potsdam Institute for Climate Impact Research)

Rupert Klein(Potsdam Institute for Climate Impact Research)

Catherine Norman (Northwestern University)

Mike Zingale (State University of New York, Stony Brook)

Publications

G. S. H. Pau, A. S. Almgren, J. B. Bell, and M. J. Lijewski, "A Parallel Second-Order Adaptive Mesh Algorithm for Incompressible Flow in Porous Media", submitted for publication. LBNL Report LBNL-71465. [pdf]

A. S. Almgren, J. B. Bell, A. Nonaka, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. III. Reactions", submitted for publication. LBNL Report LBNL-58673 Pt. III. [pdf]

A.S. Almgren, J.B. Bell, and M. Zingale, "MAESTRO: A Low Mach Number Stellar Hydrodynamics Code ", SciDAC 2007, J. of Physics: Conference Series, Boston, Massachusetts, July 2007.

S.E. Woosley, A.S. Almgren, J.B. Bell, G. Glatzmaier, D. Kasen, A.R. Kerstein, H. Ma, P. Nugent, F. Ropke, V. Sankaran and M. Zingale, "Type Ia Supernovae ", SciDAC 2007, J. of Physics: Conference Series, Boston, Massachusetts, July 2007.

A. S. Almgren, J. B. Bell, C. A. Rendleman, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. II. Energy Evolution", Astrophysical Journal, 649, 927-938, 2006. LBNL Report LBNL-58673 Pt. II. [pdf]

A. S. Almgren, J. B. Bell, C. A. Rendleman, and M. Zingale, "Low Mach Number Modeling of Type Ia Supernovae. I. Hydrodynamics", Astrophysical Journal, 637, 922-936, 2006. LBNL Report LBNL-58673. [pdf](revised)

J. Bell, M. Day, A. Almgren, M. Lijewski, C. Rendleman, R. Cheng, I. Shepherd, "Simulation of Lean Premixed Turbulent Combustion ", SciDAC 2006, J. of Physics: Conference Series, (William Tang, Ed.), Denver, Colorado, 46, 1-15, 2006.

Sarah A. Williams, Ann S. Almgren, and E. Gerry Puckett, "On Using a Fast Multipole Method-based Poisson Solver in an Approximate Projection Method", LBNL Report LBNL-59934, March 2006. [pdf]

A. S. Almgren, J. B. Bell, and W. Y. Crutchfield, ``Approximate Projection Methods: Part I. Inviscid Analysis,'' SIAM J. Sci. Comput., 22:4, pp. 1139-59, 2000. LBNL Report LBNL-43374. [Abstract(html)] [paper.ps.gz]

A. S. Almgren, ``A New Look at the Pseudo-Incompressible Solution to Lamb's Problem of Hydrostatic Adjustment'' J. Atmos. Sci., 57:7, p. 995-998, 2000. [paper.ps.gz] [Abstract(html)]

N. Botta, R. Klein, and A. Almgren, ``Dry Atmosphere Asymptotics,'' PIK Report 55, Potsdam Institut fur Klimafolgenforschung, September 1999. [paper.ps.gz]

N. Botta, R. Klein, and A. Almgren, ``Asymptotic analysis of a dry atmosphere'', Proceedings of the ENUMATH99 Conference,, Jyvaskyla, Finland, July 1999.

D. S. Nolan, A. S. Almgren, and J. B. Bell, ``High Reynolds Number Simulations of Axisymmetric Tornado-like Vortices with Adaptive Mesh Refinement'' LBNL Report LBNL-42860. [paper.ps.gz] [Abstract(html)]

David E. Stevens, John B. Bell, Ann S. Almgren, Vincent E. Beckner, and Charles A. Rendleman, ``Small Scale Processes and Entrainment in a Stratocumulus Marine Boundary Layer'' J. Atmos. Sci., 57:4, pp. 567-581, Feb. 2000. [paper.ps.gz]

Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael L. Welcome, A Conservative Adaptive Projection Method for the Variable Density Incompressible Navier-Stokes Equations, J. Comp. Phys., 142, pp. 1-46, 1998. [Abstract] [Paper(ps.gz)]

E.G. Puckett, Ann S. Almgren, John B. Bell, Daniel L. Marcus, William J. Rider, A Higher-Order Projection Method for Tracking Fluid Interfaces in Variable Density Incompressible Flows, J. Comp. Phys., 130, pp. 269-282, 1997. [Abstract] [paper] [Figure 3] [Figures 4&5]

Richard B. Pember, Ann S. Almgren, John B. Bell, Phillip Colella, Louis Howell, Mindy Lai, A Higher-Order Projection Method for the Simulation of Unsteady Turbulent Nonpremixed Combustion in an Industrial Burner, UCRL-JC-118634, LLNL, December, 1994, Transport Phenomena in Combustion, Taylor and Francis, publ., 1996. [Abstract] [Preprint] [fig. 2,3] [fig. 4] [Paper(ps.gz)]

R.B. Pember, P. Colella, L.H. Howell, A.S. Almgren, J.B. Bell, W. Y. Crutchfield, V.E. Beckner, K.C. Kaufman, W.A. Fiveland, J.P. Jessee, The Modeling of a Laboratory Natural Gas-Fired Furnace with a Higher-Order Projection Method for Unsteady Combustion, Technical Report UCRL-JC-123244, LLNL, February 1996. Twenty-sixth International Symposium on Combustion,Naples, Italy, July 28 - August 2, 1996. [Abstract(ps.gz)] [Paper(ps.gz)] [Poster session(ps.gz)]

Mark M. Sussman, Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, An Adaptive Level Set Approach for Incompressible Two-Phase Flows, LBNL-40327, J. Comp. Phys., 148, pp. 81-124, 1999. [Paper(ps.gz)]

Mark M. Sussman, Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, An Adaptive Level Set Approach for Incompressible Two-Phase Flows, Proceedings of the ASME Fluids Engineering Summer Meeting: Forum on Advances in Numerical Modeling of Free Surface and Interface Fluid Dynamics, San Diego, CA, July 7-11, 1996. [Abstract]

Richard B. Pember, Ann S. Almgren, William Y. Crutchfield, Louis H. Howell, John B. Bell, Phillip Colella, and Vincent E. Beckner, An Embedded Boundary Method for the Modeling of Unsteady Combustion in an Industrial Gas-Fired Furnace, Technical Report UCRL-JC-122177, LLNL, October 1995. Proceedings of the 1995 Fall Meeting of the Western States Section of the Combustion Institute,, Stanford, CA, October 30-31, 1995. [Paper(ps.gz)] [Abstract(ps.gz)]

Robert Almgren and Ann S. Almgren, Phase Field Instabilities and Adaptive Mesh Refinement, to appear in Modern Methods for Modeling Microstructure in Materials, TMS/SIAM, 1996 (Proceedings of TMS meeting, October 1995, Cleveland, OH). [Abstract]

Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, Michael Welcome, A High-Resolution Adaptive Projection Method for Regional Atmospheric Modeling, Proceedings of the NGEMCOM Conference sponsored by the U.S. EPA, August 7-9, 1995, Bay City, MI. [Abstract]

Ann S. Almgren, John B. Bell, Phillip Colella, Tyler Marthaler A Cartesian Grid Projection Method for the Incompressible Euler Equations in Complex Geometries, SIAM J. Sci. Comp., 18:5, Sept. 1997. [Abstract] [Paper(ps.gz)]

Ann S. Almgren, John B. Bell, Phillip Colella, Tyler Marthaler A Cell-Centered Cartesian Grid Projection Method for the Incompressible Euler Equations in Complex Geometries, Proceedings of the AIAA 12th Computational Fluid Dynamics Conference, June 19-22, 1995, San Diego, CA. [Abstract] [Paper(ps.gz)]

Ann S. Almgren, John B. Bell, Louis H. Howell, Phillip Colella, An Adaptive Projection Method for the Incompressible Navier-Stokes Equations, Proceedings of the IMACS 14th World Conference, July 11-15, 1994, Atlanta, GA. [Abstract]

Ann S. Almgren, John B. Bell, Phillip Colella, Louis H. Howell, An Adaptive Projection Method for the Incompressible Euler Equations, Proceedings of the AIAA 11th Computational Fluid Dynamics Conference, July 6-9, 1993, Orlando, FL. [Abstract]

Ann S. Almgren, John B. Bell, William G. Szymczak, A Numerical Method for the Incompressible Navier-Stokes Equations Based on an Approximate Projection, SIAM J. Sci. Comp.,17:2, March 1996. [Abstract]

Ann Almgren, Thomas Buttke, Phillip Colella, A Fast Adaptive Vortex Method in Three Dimensions, J. Comp. Physics, 113:2 , August 1994. [Abstract]

Ann Almgren, Thomas Buttke, and Phillip Colella, A Fast Vortex Method in Three Dimensions, Proceedings of the AIAA 10th Computational Fluid Dynamics Conference, June 24-27, 1991, Honolulu, HI. [Abstract]

Return to CCSE Home Page

Problems with this web page? Mail to our webmaster