Search Results - "Jansen, Kenneth E."

Outflow boundary conditions for three-dimensional finite element modeling of blood flow and pressure in arteries by Vignon-Clementel, Irene E., Alberto Figueroa, C., Jansen, Kenneth E., Taylor, Charles A.

“…Flow and pressure waves emanate from the heart and travel through the major arteries where they are damped, dispersed and reflected due to changes in vessel…”
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Detached direct numerical simulations of turbulent two-phase bubbly channel flow by Bolotnov, Igor A., Jansen, Kenneth E., Drew, Donald A., Oberai, Assad A., Lahey, Richard T., Podowski, Michael Z.

“…DNS simulations of two-phase turbulent bubbly channel flow at Re τ = 180 (Reynolds number based on friction velocity and channel half-width) were performed…”
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Large Eddy Simulation and the variational multiscale method by HUGHES, Thomas J. R, MAZZEI, Luca, JANSEN, Kenneth E

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Invariant data-driven subgrid stress modeling in the strain-rate eigenframe for large eddy simulation by Prakash, Aviral, Jansen, Kenneth E., Evans, John A.

“…We present a new approach for constructing data-driven subgrid stress models for large eddy simulation of turbulent flows. The key to our approach is…”
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Direct numerical simulation of turbulent channel flows using a stabilized finite element method by Trofimova, Alisa V., Tejada-Martínez, Andrés E., Jansen, Kenneth E., Lahey, Richard T.

“…Direct numerical simulations (DNS) of incompressible turbulent channel flows at Re τ = 180 and 395 (i.e., Reynolds number, based on the friction velocity and…”
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Spectral analysis of turbulence based on the DNS of a channel flow by Bolotnov, Igor A., Lahey, Richard T., Drew, Donald A., Jansen, Kenneth E., Oberai, Assad A.

“…The development and assessment of spectral turbulence models requires knowledge of the spectral turbulent kinetic energy distribution as well as an…”
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S-frame discrepancy correction models for data-informed Reynolds stress closure by Peters, Eric L., Balin, Riccardo, Jansen, Kenneth E., Doostan, Alireza, Evans, John A.

“…Despite their well-known limitations, Reynolds averaged Navier-Stokes (RANS) models remain the most commonly employed tool for modeling turbulent flows in…”
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A coupled momentum method for modeling blood flow in three-dimensional deformable arteries by Figueroa, C. Alberto, Vignon-Clementel, Irene E., Jansen, Kenneth E., Hughes, Thomas J.R., Taylor, Charles A.

“…Blood velocity and pressure fields in large arteries are greatly influenced by the deformability of the vessel. Moreover, wave propagation phenomena in the…”
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Software tools to enable immersive simulation by Newberry, Felix, Wetterer-Nelson, Corey, Evans, John A., Doostan, Alireza, Jansen, Kenneth E.

“…There are two main avenues to design space exploration. In the first approach, a simulation is run, analyzed, the problem modified, and the simulation run…”
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Numerical study of purely viscous non-Newtonian flow in an abdominal aortic aneurysm by Marrero, Victor L, Tichy, John A, Sahni, Onkar, Jansen, Kenneth E

“…It is well known that blood has non-Newtonian properties, but it is generally accepted that blood behaves as a Newtonian fluid at shear rates above 100 s-1…”
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PARALLEL ADAPTIVE SIMULATION OF A PLUNGING LIQUID JET by Galimov, Azat Yu, Sahni, Onkar, Lahey, Richard T., Shephard, Mark S., Drew, Donald A., Jansen, Kenneth E.

“…This paper is concerned with three-dimensional numerical simulation of a plunging liquid jet. The transient processes of forming an air cavity around the jet,…”
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Scalable Implicit Flow Solver for Realistic Wing Simulations with Flow Control by Rasquin, Michel, Smith, Cameron, Chitale, Kedar, Seol, E. Seegyoung, Matthews, Benjamin A., Martin, Jeffrey L., Sahni, Onkar, Loy, Raymond M., Shephard, Mark S., Jansen, Kenneth E.

“…Massively parallel computation provides an enormous capacity to perform simulations on a timescale that can change the paradigm of how scientists, engineers,…”
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A generalized- α method for integrating the filtered Navier–Stokes equations with a stabilized finite element method by Jansen, Kenneth E., Whiting, Christian H., Hulbert, Gregory M.

“…A generalized- α method is developed and analyzed for linear, first-order systems. The method is then extended to the filtered Navier–Stokes equations within…”
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In‐memory integration of existing software components for parallel adaptive unstructured mesh workflows by Smith, Cameron W., Granzow, Brian, Diamond, Gerrett, Ibanez, Daniel, Sahni, Onkar, Jansen, Kenneth E., Shephard, Mark S.

“…Summary Reliable mesh‐based simulations are needed to solve complex engineering problems. Mesh adaptivity can increase reliability by reducing discretization…”
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Computation of incompressible bubble dynamics with a stabilized finite element level set method by Nagrath, Sunitha, Jansen, Kenneth E., Lahey, Richard T.

“…This paper presents a stabilized finite element method for the three dimensional computation of incompressible bubble dynamics using a level set method. The…”
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Parallel anisotropic mesh adaptation with boundary layers for automated viscous flow simulations by Sahni, Onkar, Ovcharenko, Aleksandr, Chitale, Kedar C., Jansen, Kenneth E., Shephard, Mark S.

“…This paper presents a set of parallel procedures for anisotropic mesh adaptation accounting for mixed element types used in boundary layer meshes, i.e., the…”
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A stabilized finite element method for the incompressible Navier-Stokes equations using a hierarchical basis by Whiting, Christian H., Jansen, Kenneth E.

“…Stabilized finite element methods have been shown to yield robust, accurate numerical solutions to both the compressible and incompressible Navier–Stokes…”
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A parallel adaptive mesh method for the numerical simulation of multiphase flows by Rodriguez, Joseph M., Sahni, Onkar, Lahey, Richard T., Jansen, Kenneth E.

“…Methodology for performing large scale parallel numerical simulations of two-phase flow is presented that uses a three-dimensional (3-D) finite element method…”
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A stabilized finite element method for computing turbulence by Jansen, Kenneth E.

“…For many flows, Reynold-averaged Navier—Stokes simulation (RANSS) techniques do not give an acceptable description of the flow. In these cases a more detailed…”
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Cardiovascular flow simulation at extreme scale by Zhou, Min, Sahni, Onkar, Kim, H. Jin, Figueroa, C. Alberto, Taylor, Charles A., Shephard, Mark S., Jansen, Kenneth E.

“…As cardiovascular models grow more sophisticated in terms of the geometry considered, and more physiologically realistic boundary conditions are applied, and…”
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