Solvers

• B. Petitjean, R. Löhner and C.R. DeVore - A Finite Element Solver for Radar Cross Section Calculations; AIAA-92-0455 (1992).

• D. Martin and R. Löhner - An Implicit Linelet-Based Solver for Incompressible Flows; AIAA-92-0668 (1992).

• R. Löhner - Some Useful Renumbering Strategies for Unstructured Grids; Int.J.Num.Meth.Eng.36, 3259-3270 (1993).

• H. Luo, J.D. Baum, R. Löhner and J. Cabello - Adaptive Edge-Based Finite Element Schemes for the Euler and Navier-Stokes Equations; AIAA-93-0336 (1993).

• H. Luo, J.D. Baum, R. Löhner and J. Cabello - An Implicit Three-Dimensional Finite Element Solver for Unstructured Meshes; pp. 1027,1028 in Proc.11th AIAA CFD Conf., Orlando, FL, July (1993).

• J.D. Baum, H. Luo and R. Löhner - A New ALE Adaptive Unstructured Methodology for the Simulation of Moving Bodies; AIAA-94-0414 (1994).

• H. Luo, J.D. Baum and R. Löhner - Edge-Based Finite Element Scheme for the Euler Equations; AIAA J.32, 6, 1183-1190 (1994).

• J.J. Ambrosiano, S.T. Brandon, R. Löhner and C.R. DeVore - Electromagnetics via the Taylor-Galerkin Finite Element Method on Unstructured Grids; J.Comp.Phys.110, 310-319 (1994).

• R. Löhner and J. McAnally - Transient and Steady Heat Conduction Using an Adaptive Finite Element CAD-Based Approach; Int.J.Heat and Fluid Flow 4, 311-327 (1994).

• S. Sivier, E. Loth, J.D. Baum and R. Löhner - Unstructured Adaptive Remeshing Finite Element Method for Dusty Shock Flows; Shock Waves 4, 15-23 (1994).

• J. Favre and R. Löhner - Raytracing with a Space-Filling Finite Element Mesh; Int.J.Num.Meth.Eng.37, 20, 3571-3580 (1994).

• R. Ramamurti, R. Löhner and W. Sandberg - Evaluation of a Three-Dimensional Finite Element Incompressible Flow Solver; AIAA-94-0756 (1994).

• H. Luo, J.D. Baum, R. Löhner and J. Cabello - Implicit Finite Element Schemes and Boundary Conditions for Compressible Flows on Unstructured Grids; AIAA-94-0816 (1994).

• J. Cabello, K. Morgan and R. Löhner - A Comparison of Higher Order Schemes Used in a Finite Volume Solver for Unstructured Grids; AIAA-94-2293 (1994).

• R. deFainchtein, S.T. Zalesak, R. Löhner and D.S. Spicer - Finite Element Simulation of a Turbulent MHD System: Comparison to a Pseudo-Spectral Simulation; Comp.Phys.Comm.86, 25-39 (1995).

• H. Luo, J.D. Baum and R. Löhner - An Improved Finite Volume Scheme for Compressible Flows on Unstructured Grids; AIAA-95-0348 (1995).

• H. Luo, J.D. Baum and R. Löhner - A Finite Volume Scheme for Hydrodynamic Free Boundary Problems on Unstructured Grids; AIAA-95-0668 (1995).

• H. Luo, J.D. Baum and R. Löhner - A Hybrid Interface Capturing Method for Compressible Multi-Fluid Flows on Unstructured Grids; AIAA-96-0416 (1996).

• R. Ramamurti and R. Löhner - A Parallel Implicit Incompressible Flow Solver Using Unstructured Meshes; Computers and Fluids 5, 119-132 (1996).

• R. Löhner and Chi Yang - Improved ALE Mesh Velocities for Moving Bodies; Comm.Num.Meth.Eng. 12, 599-608 (1996).

• H. Luo, J.D. Baum and R. Löhner - Computation of Compressible Flows Using a Two-Equation Turbulence Model on Unstructured Grids; AIAA-97-0430 (1997).

• E. Darve and R. Löhner - Advanced Structured-Unstructured Solver for Electromagnetic Scattering from Multimaterial Objects; AIAA-97-0863 (1997).

• R. Löhner - Computational Aspects of Space-Marching; AIAA-98-0617 (1998).

• H. Luo, J.D. Baum and R. Löhner - A Fast, Matrix-Free Implicit Method for Compressible Flows on Unstructured Grids; J. Comp. Phys. 146, 664-690 (1998).

• H. Luo, J.D. Baum and R. Löhner - An Accurate, Fast, Matrix-Free Implicit Method for Computing Unsteady Flows on Unstructured Grids; AIAA-99-0937 (1999).

• H. Luo, J.D. Baum and R. Löhner - A Fast, Matrix-Free Implicit Method for Computing Low Mach-Number Flows on Unstructured Grids; AIAA -99-3315-CP (1999).

• J. Waltz and R. Löhner - A Grid Coarsening Algorithm for Unstructured Multigrid Applications; AIAA-00-0925 (2000). (pdf)

• H. Luo, D. Sharov, J.D. Baum and R. Löhner - On the Computation of Compressible Turbulent Flows on Unstructured Grids; AIAA-00-0926 (2000). (pdf)

• D. Sharov, H. Luo, J.D. Baum and R. Löhner - Implementation of Untructured Grid GMRES+LU-SGS Method on Shared-Memory, Cache-Based Parallel Computers; AIAA-00-0927 (2000). (pdf)

• R. Löhner, C. Sacco, E. Onate and S. Idelsohn - A Finite Point Method for Compressible Flow; paper presented at ECCOMAS 2000, Barcelona, September (2000). (pdf)

• R. Löhner - Overlapping Unstructured Grids; AIAA-01-0439 (2001). (pdf)

• R. Löhner, Chi Yang, J. Cebral, O. Soto, F. Camelli, J.D. Baum, H. Luo, E. Mestreau, D. Sharov, R. Ramamurti, W. Sandberg and Ch. Oh - Advances in FEFLO; AIAA-01-0592 (2001). (pdf)

• O. Soto, R. Löhner and J. Cebral - An Implicit Monolithic Time Accurate Finite Element Scheme for Incompressible Flow Problems; AIAA 2001-2616 (2001). (pdf)

• H. Luo, J.D. Baum and R. Löhner - An Accurate, Fast, Matrix-Free Implicit Method for Computing Unstready Flows on Unstructured Grids; Comp. and Fluids 30, 137-159 (2001).

• H. Luo, J.D. Baum and R. Löhner - A Fast, Matrix-Free Implicit Method for Computing Low Mach Number Flows on Unstructured Grids; Int.J. CFD 14, No. 2. (2001).

• H. Luo, D. Sharov, J.D. Baum and R. Löhner - On the Computation of Compressible Turbulent Flows on Unstructured Grids; Int.J. CFD 14, 253-270 (2001).

• R. Löhner and Chi Yang - Tracking Vortices Over Large Distances Using Vorticity Confinement; paper presented at ECCOMAS CFD 2001 Conf., Swansea, Wales, September (2001). (pdf)

• O. Soto, R. Löhner, J. Cebral and R. Codina - A Time-Accurate Implicit-Monolithic Finite Element Scheme for Incompressible Flow Problems; Proc. ECCOMAS CFD 2001 Conf., Swansea, Wales, September (2001). (pdf)

• R. Löhner and Chi Yang - Vorticity Confinement on Unstructured Grids; AIAA-02-0137 (2002). (pdf)

• F. Camelli and R. Löhner - Combining the Baldwin-Lomax and Smagorinsky Turbulence Models to Calculate Flows with Separation Regions; AIAA-02-0426 (2002). (pdf)

• R. Löhner, Chi Yang, J. Cebral, O. Soto, F. Camelli, J.D. Baum, H. Luo, E. Mestreau and D. Sharov - Advances in FEFLO; AIAA-02-1024 (2002). (pdf)

• R. Löhner, C. Sacco, E. Onate and S. Idelsohn - A Finite Point Method for Compressible Flow; Int. J. Num. Meth. Eng. 53, 1765-1779 (2002).

• R. Löhner, E. Mestreau, J.D. Baum, Ch. Charman and D. Pelessone - Adaptive Embedded Unstructured Grid Methods; Proc. 8th Int. Conf. on Numerical Grid Generation in Computational Field Simulations Hawaii, June (2002).

• R. Löhner, Chi Yang and R. Roger - Tracking Vortices Over Large Distances Using Vorticity Confinement; paper presented at 24th Symp. Naval Hydrodynamics Fukuoka, Japan, July (2002).

• H. Luo, J.D. Baum and R. Löhner - Development and Application of Unstructured-Grid Methodologies for Turbulent Flows; AIAA-03-0277 (2003). (pdf)

• R. Löhner, J.D. Baum, E.L. Mestreau, D. Sharov, Ch. Charman and D. Pelessone - Adaptive Embedded Unstructured Grid Methods; AIAA-03-1116 (2003). (pdf)

• H. Luo, J.D. Baum and R. Löhner - Computation of Compressible Flows Using a Two-Equation Turbulence Model on Unstructured Grids; Int. J. CFD 17, (1), 87-93 (2003).

• O. Soto, R. Löhner and F. Camelli - A Linelet Preconditioner for Incompressible Flows; Int. J. Num. Meth. Heat and Fluid Flow 13, (1), 133-147 (2003).

• R. Löhner, J.D. Baum and E.L. Mestreau - Advances in Adaptive Embedded Unstructured Grid Methods; AIAA-04-0083 (2004). (pdf)

• H. Luo, J.D. Baum and R. Löhner - High-Reynolds Number Viscous Flow Computations Using Unstructured-Grid Method; AIAA-04-1103 (2004). (pdf)

• H. Luo, J.D. Baum and R. Löhner - On the Computation of Multi-Material Flows Using ALE Formulation; J. Comp. Phys. 194, 304-328 (2004).

• R. Löhner - Multistage Explicit Advective Prediction for Projection-Type Incompressible Flow Solvers; J. Comp. Phys. 195, 143-152 (2004).

• O. Soto, R. Löhner, J.R. Cebral and F. Camelli - A Stabilized Edge-Based Implicit Incompressible Flow Formulation; Comp. Meth. Appl. Mech. Eng. 193, 2139-2154 (2004).

• Löhner, J.D. Baum, E. Mestreau, D. Sharov, C. Charman and D. Pelessone - Adaptive Embedded Unstructured Grid Methods; Int. J. Num. Meth. Eng. 60, 641-660 (2004).

• R. Löhner and F. Camelli - Dynamic Deactivation for Advection-Dominated Contaminant Flow; Comm. Num. Meth. Eng. 20, 639-646 (2004).

• N. Ahmad, Z. Boybeyi, R. Löhner and R.A. Sarma - A Higher-order Upwind Scheme on Unstructured Grids for Nonhydrostatic Atmosphere; paper presented at the 8th Annual GMU Conf. on Transport and Dispersion Modeling, Fairfax, VA, June (2004).

• R. Löhner, Chi Yang, J.R. Cebral, O. Soto and F. Camelli - Improving the Speed and Accuracy of Projection-Type Incompressible Flow Solvers; Proc. 1st LNCC Meeting on Computational Modeling, Petropolis, Brazil, August (2004).

• R. Löhner, J. Cebral, M. Castro, J.D. Baum, H. Luo, E. Mestreau and O. Soto - Adaptive Embedded Unstructured Grid Methods; plenary keynote paper, Proc. ENIEF04, Bariloche, Argentina, November (2004).

• H. Luo, J.D. Baum and R. Löhner - A Hybrid Cartesian Grid and Gridless Method for Compressible Flows; AIAA-05-0492 (2005). (pdf)

• N. Ahmad, Z. Boybeyi, R. Löhner and R.A. Sarma - A Godunov-type Finite-Volume Scheme for Flows on the Meso- and Micro-Scales; AIAA-05-1103 (2005).

• R. Löhner - Projective Prediction of Pressure Increments; Comm. Num. Meth. Eng. 21, 4, 201-207 (2005).

• R. Löhner, H. Luo and J.D. Baum - Selective Edge Deactivation for Unstructured Grids with Cartesian Cores; J. Comp. Phys. 206, 1, 208-226 (2005).

• H. Luo, J.D. Baum and R. Löhner - High-Reynolds Number Viscous Flow Computations Using an Unstructured-Grid Method; J. Aircraft 42, 2, 483-492 (2005).

• R. Löhner, H. Luo, J.D. Baum and D. Rice - Selective Edge Deactivation for Unstructured Grids with Cartesian Cores; AIAA-05-4985 (2005). (pdf)

• H. Luo, J.D. Baum and R. Löhner - Extension of Harten-Lax-van Leer Scheme for Flows at All Speeds; AIAA J. 43, 6, 1160-1166 (2005).

• R. Löhner, C. Yang and E. Onate - Large-Scale Simulation of Flows With Violent Free Surface Motion; pp. 55-81 in Computational Methods in Marine Engineering (P. Bergan, J. Garcia, E. Onate and T. Kvamsdal eds.), Oslo, Norway, June (2005). (pdf)

• H. Luo, J.D. Baum and R. Löhner - A Fast p-Multigrid Discontinuous Galerkin Method for Compressible Flows on Unstructured Grids; AIAA-06-0110 (2006). (pdf)

• F. Togashi, R. Löhner and N. Tsuboi - Numerical Simulation of H2/Air Detonation Using Detailed Reaction Models; AIAA-06-0954 (2006). (pdf)

• H. Luo, J.D. Baum and R. Löhner - A Hybrid Cartesian Grid and Gridless Method for Compressible Flows; J.Comp.Phys.214, 618-632 (2006).

• R. Löhner, Chi Yang, J.R. Cebral, F. Camelli, O. Soto and J. Waltz - Improving the Speed and Accuracy of Projection-Type Incompressible Flow Solvers; Comp.Meth.Appl.Mech.Eng.195, 23-24, 3087-3109 (2006).

• R. Löhner, Chi Yang and E. Onate - On the Simulation of Flows with Violent Free Surface Motion; Comp.Meth.Appl.Mech.Eng.195, 5597-5620 (2006).

• H. Luo, J.D. Baum and R. Löhner - A Hybrid Building-Block and Gridless Method for Computing Shock Waves; Proc.4th Int.Conf.on CFD Ghent, Belgium, July (2006).

• H. Luo, J.D. Baum and R. Löhner - On the Computation of Steady-State Compressible Flows Using a Discontinuous Galerkin Method; Proc.4th Int.Conf.on CFD Ghent, Belgium, July (2006).

• R. Löhner, J. Cebral, S. Appanoyima, J.D. Baum, E. Mestreau and O. Soto - Embedded and Immersed Methods for Adaptive Unstructured Grid Solvers; plenary keynote paper ENIEF'06 Conf. Santa Fe, Argentina, November (2006).

• R. Löhner, J.D. Baum and D. Rice - Comparison of Body-Fitted and Embedded 3-D Euler Predictions for Blast Loads on Columns; Proc. MABS-19 Conf. Calgary, Canada, October (2006).

• H. Luo, J.D. Baum and R. Löhner - A Hermite WENO-Based Limiter for DG Methods on Unstructured Grids; AIAA-07-0510 (2007). (pdf)

• R. Aubry, R. Löhner, E. Onate and S. Idelsohn - Assessment of a Lagrangian Incompressible Flow Code; AIAA-07-0715 (2007).

• R. Löhner, J.D. Baum, E.L. Mestreau and D. Rice - Comparison of Body-Fitted, Embedded and Immersed 3-D Euler Predictions for Blast Loads on Columns; AIAA-07-1133 (2007). (pdf)

• F. Togashi, R. Löhner and N. Tsuboi - Numerical Simulation of H2/Air Detonation Wave Around Ostacles Using Detailed Reaction Models; AIAA-07-1170 (2007).

• R. Löhner, S. Appanaboyina and J. Cebral - Comparison of Body-Fitted, Embedded and Immersed Solutions for Low Reynolds-Number Flows; AIAA-07-1296 (2007). (pdf)

• H. Luo, J.D. Baum and R. Löhner - A Hermite WENO-Based Limiter for Discontinuous Galerkin Method on Unstructured Grids; J. Comp. Phys. 225, 686-713 (2007).

• R. Löhner, J.R. Cebral, F.F. Camelli, J.D. Baum, E.L. Mestreau and O.A. Soto - Adaptive Embedded/Immersed Unstructured Grid Techniques; Arch. Comp. Meth. Eng. 14, 279-301 (2007).

• H. Luo, J.D. Baum and R. Löhner - A Discontinuous Galerkin Met hod Based on a Taylor Basis for the Compressible Flows on Arbitrary Grids; AIAA-07-4080 (2007).

• R. Löhner - Radiation Transport Using the Discrete Ordinates Method Within an Edge-Based FEM Solver; 14th Int. Cong. Finite Elements in Flows, Santa Fe, New Mexico, March (2007).

• F. Perazzo, R. Löhner and L. Perez-Pozo - Adaptive Methodology for Meshless Finite Point Method; Advances in Engineering Software 39, 156-166 (2008).

• H. Luo, J.D. Baum and R. L\öhner - On the Computation of Steady-State Compressible Flows Using a Discontinuous Galerkin Method; Int. J. Num. Meth. Eng. 73, 597-623 (2008).

• R. Löhner, P. Ravier, J. Roger and P. deKermel - Combination of Compressible and Incompressible Flow Codes via Immersed Methods; AIAA-08-0528 (2008).

• R. Löhner, H. Luo, J.D. Baum and D. Rice - Improvements in Speed for Explicit, Transient Compressible Flow Solvers; AIAA-08-0610 (2008).

• F. Togashi, R. Löhner, N. Tsuboi and T. Obara - Numerical Simulation of H2/Air Detonation Wave Behind Slit-Plate Using Detailed Reaction Models; AIAA-08-0986 (2008).

• R. Tilch, A. Tabbal, M. Zhu, F. Decker and R. Löhner - Combination of Body-Fitted and Embedded Grids for External Vehicle Aerodynamics; Engineering Computations25, 1, 28-41 (2008).

• R. Löhner, J.R. Cebral, F.F. Camelli, S. Appanaboyina, J.D. Baum, E.L. Mestreau and O. Soto - Adaptive Embedded and Immersed Unstructured Grid Techniques; Comp. Meth. Appl. Mech. Eng. 197, 2173-2197 (2008).

• R. Löhner, H. Luo, J.D. Baum and D. Rice - Improvements in Speed for Explicit, Transient Compressible Flow Solvers; Int. J. Num. Meth. Fluids 56, 12, 2229-2244 (2008).

• R. Löhner, S. Appanaboyina and J. Cebral - Comparison of Body-Fitted, Embedded and Immersed Solutions for Low Reynolds-Number Flows; Int. J. Num. Meth. Fluids 57, 1, 13-30 (2008).

• S. Appanaboyina, F. Mut, R. Löhner, C. M. Putman and J. R. Cebral - Computational Fluid Dynamics of Stented Intracranial Aneurysms Using Adaptive Embedded Unstructured Grids; Int. J. Num. Meth. Fluids 57, 5, 475-493 (2008).

• R. Löhner, S. Appanaboyina and J. R. Cebral - Parabolic Recovery of Boundary Gradients; Comm. Num. Meth. Eng. (2008).

• R. Aubry, F. Mut, R. Löhner and J. R. Cebral - Deflated Preconditioned Conjugate Gradient Solvers for the Pressure-Poisson Equation; J. Comp. Phys. 227, 24, 10196-10208 (2008).

• H. Luo, J.D. Baum and R. Löhner - A Hybrid Building-Block and Gridless Method for Compressible Flows; Int. J. Num. Meth. Fluids 59, 459-474 (2009).

• R. Löhner - On Limiters for Minimal Vorticity Dissipation; AIAA-09-0135 (2009).

• F. Mut, R. Aubry, G. Pierrot, J. Roger, J. Cebral and R. Löhner - Coarse-Grain Deflation for Preconditioned Conjugate Gradient Solvers: Application to the Pressure Poisson Equation; AIAA-09-0165 (2009).

• T. Tsuga, R. Löhner and F. Togashi - Multi-Objective Assessment of Blast Damage; AIAA-09-0364 (2009).

• A. Stück, F. Camelli and R. Löhner - Adjoint-Based Design of Shock Mitigation Devices; AIAA-09-3801 (2009).

• R. Löhner, F. Camelli, J.D. Baum and O.A. Soto - Simulation of Multiphase Blast-Structure Interaction Via Coupled CFD and CSD Codes; AIAA-10-0096 (2010).

• F. Mut, R. Aubry, G. Houzeaux, J. Cebral and R. Löhner; Deflated Preconditioned Conjugate Gradient Solvers: Extensions and Improvements; AIAA-10-0118 (2010).

• A. Stück, F. Camelli and R. Löhner - Adjoint-Based Design of Passive and Active Shock Mitigation Devices; AIAA-10-1430 (2010).

• F. Mut, R. Aubry, R. Löhner and J.R. Cebral - Fast Numerical Solutions to Patient-Specific Blood Flows in 3D Arterial Systems; Int. J. Num. Meth. Biomed. Eng. 26, 73-85 (2010).

• A. Stück, F. Camelli and R. Löhner - Adjoint-Based Design of Shock Mitigation Devices; Int. J. Num. Meth. Fluids 64, 443-472 (2010).

• R. Löhner - Error and Work Estimates for High Order Elements; AIAA-11-0211 (2011).

• R. Löhner and A. Loseille - A Simple Scheme to Limit Refinement Zones for Supersonic Flows; AIAA-11-0470 (2011).

• R. Löhner, F. Mut, J.R. Cebral, R. Aubry and G. Houzeaux; Deflated Preconditioned Conjugate Gradient Solvers for the Pressure-Poisson Equation: Extensions and Improvements; Int. J. Num. Meth. Eng. 87, 1-5, 2-14 (2011).

• R. Aubry, F. Mut, S.Dey and R. Löhner - Deflated Solvers for Linear Elasticity and Helmholtz Equation; AIAA-11-3236 (2011).

• F. Togashi, J.D. Baum and R. Löhner - Numerical Modeling of Aluminum Burning for Heavily Aluminized HE; AIAA-11-3588 (2011).

• R. Löhner - Improved Error and Work Estimates for High Order Elements; AIAA-12-0291 (2012).

• S. Torbert and R. Löhner - Checkpointing Schemes for Adjoint Methods and Strongly Unsteady Flow; AIAA-12-0572 (2012).