Re: [deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
Hi all, I can not share a recording at this point, sorry. On Fri, Apr 1, 2022 at 11:48 PM Praveen C wrote: > > Is the video of this talk archived somewhere ? > Thanks > praveen > > On Friday, March 25, 2022 at 10:42:11 PM UTC+5:30 Timo Heister wrote: >> >> Hi all, >> >> I would like to announce the following seminar talk in our Clemson >> Computational Math seminar that is related to deal.II. If you are >> interested, feel free to join using the zoom link below. >> >> Date and time: Monday, March 28 at 11:15am Eastern time >> Speaker: Matthias Maier (Texas A University) >> Title: Efficient parallel 3d computation of the compressible >> Navier-Stokes equations >> >> Zoom link: https://clemson.zoom.us/j/96402109287 >> >> Abstract: >> A high-performance second-order collocation-type finite-element scheme for >> solving the compressible Navier-Stokes equations on unstructured meshes is >> presented. The method uses Strang splitting, is second-order accurate in >> time and space, and is based on a convex limiting technique introduced by >> Guermond et al. (SIAM J. Sci. Comput. 40, A3211-A3239, 2018). As such it is >> invariant-domain preserving, meaning, the solver maintains important >> physical invariants and is guaranteed to be stable without the use of >> ad-hoc tuning parameters. >> In this talk I will introduce the discretization technique, discuss the >> convex limiting approach and algorithmic design of the method, and comment >> on a high-performance implementation utilizing SIMD (single instruction >> multiple data) vectorization. >> >> -- >> Timo Heister >> http://www.math.clemson.edu/~heister/ > > -- > The deal.II project is located at http://www.dealii.org/ > For mailing list/forum options, see > https://groups.google.com/d/forum/dealii?hl=en > --- > You received this message because you are subscribed to the Google Groups > "deal.II User Group" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to dealii+unsubscr...@googlegroups.com. > To view this discussion on the web visit > https://groups.google.com/d/msgid/dealii/0567cae1-c7dd-4905-b7eb-578991611a12n%40googlegroups.com. -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAMRj59E-tm10SjNUV993qvv0V4b06prtF9O1Oc2zGvZKRaJbuA%40mail.gmail.com.
[deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
Is the video of this talk archived somewhere ? Thanks praveen On Friday, March 25, 2022 at 10:42:11 PM UTC+5:30 Timo Heister wrote: > Hi all, > > I would like to announce the following seminar talk in our Clemson > Computational Math seminar that is related to deal.II. If you are > interested, feel free to join using the zoom link below. > > Date and time: Monday, March 28 at 11:15am Eastern time > Speaker: Matthias Maier (Texas A University) > Title: Efficient parallel 3d computation of the compressible > Navier-Stokes equations > > Zoom link: https://clemson.zoom.us/j/96402109287 > > Abstract: > A high-performance second-order collocation-type finite-element scheme for > solving the compressible Navier-Stokes equations on unstructured meshes is > presented. The method uses Strang splitting, is second-order accurate in > time and space, and is based on a convex limiting technique introduced by > Guermond et al. (SIAM J. Sci. Comput. 40, A3211-A3239, 2018). As such it is > invariant-domain preserving, meaning, the solver maintains important > physical invariants and is guaranteed to be stable without the use of > ad-hoc tuning parameters. > In this talk I will introduce the discretization technique, discuss the > convex limiting approach and algorithmic design of the method, and comment > on a high-performance implementation utilizing SIMD (single instruction > multiple data) vectorization. > > -- > Timo Heister > http://www.math.clemson.edu/~heister/ > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/0567cae1-c7dd-4905-b7eb-578991611a12n%40googlegroups.com.
[deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
You had me scared there for a moment. Looking forward to this :)! On Friday, March 25, 2022 at 1:15:31 p.m. UTC-4 Timo Heister wrote: > Hi all, > > I am sorry for messing up the title. The talk is of course given on > Monday by Matthias as written in the body of the email. > > Best, > Timo > > On Fri, Mar 25, 2022 at 1:11 PM Timo Heister wrote: > > > > Hi all, > > > > I would like to announce the following seminar talk in our Clemson > > Computational Math seminar that is related to deal.II. If you are > > interested, feel free to join using the zoom link below. > > > > Date and time: Monday, March 28 at 11:15am Eastern time > > Speaker: Matthias Maier (Texas A University) > > Title: Efficient parallel 3d computation of the compressible > > Navier-Stokes equations > > > > Zoom link: https://clemson.zoom.us/j/96402109287 > > > > Abstract: > > A high-performance second-order collocation-type finite-element scheme > for > > solving the compressible Navier-Stokes equations on unstructured meshes > is > > presented. The method uses Strang splitting, is second-order accurate in > > time and space, and is based on a convex limiting technique introduced by > > Guermond et al. (SIAM J. Sci. Comput. 40, A3211-A3239, 2018). As such it > is > > invariant-domain preserving, meaning, the solver maintains important > > physical invariants and is guaranteed to be stable without the use of > > ad-hoc tuning parameters. > > In this talk I will introduce the discretization technique, discuss the > > convex limiting approach and algorithmic design of the method, and > comment > > on a high-performance implementation utilizing SIMD (single instruction > > multiple data) vectorization. > > > > -- > > Timo Heister > > http://www.math.clemson.edu/~heister/ > > > > -- > Timo Heister > http://www.math.clemson.edu/~heister/ > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/21d139b7-d7e0-4a9c-b3d2-d0c7309b1937n%40googlegroups.com.
[deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
Hi all, I am sorry for messing up the title. The talk is of course given on Monday by Matthias as written in the body of the email. Best, Timo On Fri, Mar 25, 2022 at 1:11 PM Timo Heister wrote: > > Hi all, > > I would like to announce the following seminar talk in our Clemson > Computational Math seminar that is related to deal.II. If you are > interested, feel free to join using the zoom link below. > > Date and time: Monday, March 28 at 11:15am Eastern time > Speaker: Matthias Maier (Texas A University) > Title: Efficient parallel 3d computation of the compressible > Navier-Stokes equations > > Zoom link: https://clemson.zoom.us/j/96402109287 > > Abstract: > A high-performance second-order collocation-type finite-element scheme for > solving the compressible Navier-Stokes equations on unstructured meshes is > presented. The method uses Strang splitting, is second-order accurate in > time and space, and is based on a convex limiting technique introduced by > Guermond et al. (SIAM J. Sci. Comput. 40, A3211-A3239, 2018). As such it is > invariant-domain preserving, meaning, the solver maintains important > physical invariants and is guaranteed to be stable without the use of > ad-hoc tuning parameters. > In this talk I will introduce the discretization technique, discuss the > convex limiting approach and algorithmic design of the method, and comment > on a high-performance implementation utilizing SIMD (single instruction > multiple data) vectorization. > > -- > Timo Heister > http://www.math.clemson.edu/~heister/ -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAMRj59GrYd7zFCndKfYWgFD92MdgOkmKAtPoK0BhyKcgqv1K3w%40mail.gmail.com.
[deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
Pleasure was all mine. Thanks for the invite. I consider myself quite lucky to be part of such a vibrant, open and constructive community :)! On Friday, February 11, 2022 at 4:57:39 p.m. UTC-5 Timo Heister wrote: > Hi all, > > The recording of the talk is now available at > https://www.youtube.com/watch?v=-qJfml3_HuA > > Thanks again, Bruno! > > On Mon, Jan 31, 2022 at 2:56 PM Timo Heister wrote: > > > > Hi all, > > > > I would like to announce the following seminar talk in our Clemson > > Computational Math seminar that is related to deal.II. If you are > > interested, feel free to join using the zoom link below. > > > > Date and time: Friday, Feb 4 at 11:15am Eastern time > > Speaker: Bruno Blais (Polytechnique Montréal) > > Title: Lethe: Open-source FEM-based CFD and CFD-DEM models for the > > simulation, design and optimization of chemical processes > > > > Zoom link: https://clemson.zoom.us/j/96402109287 > > > > Abstract: > > Chemical process plants generally consist of a combination of multiple > > unit operations which all > > have a specific purpose: separating components, facilitating a > > chemical reaction, mixing, > > transferring energy from one fluid to another, moving fluids. The > > design of these operations is still > > mostly based on design heuristics which lead to significant challenges > > when designing new chemical > > processes or scaling-up existing ones. These challenges are > > exacerbated by the occurrence of > > turbulence, the complex rheology of the fluid or the presence of > > multiple phases such as a fluid (gas > > or liquid) and solid particles. Computational Fluid Dynamics (CFD) for > > the fluid phase, the Discrete > > Element Method (DEM) for granular material, and their combination > > (CFD-DEM) enable us to > > predict the dynamics of these unit operations. This requires > > high-performance robust models for > > which the components (linear solver, finite element formulation) are > > tailored to the application. > > > > In this talk, we introduce a new open-source CFD, DEM and CFD-DEM > > software: Lethe. Lethe is built > > upon the well-established deal.II library. It leverages deal.II not > > only for its state of the art FEM > > capabilities, but it also makes extensive usage of its > > high-performance particle tracking module for > > its DEM solver. We present four very different examples that highlight > > the challenges that the > > chemical engineering community face and that can be addressed through > > simulations: > > - The mixing of shear-thinning fluids. > > - The prediction of early turbulent flows. > > - The flow of powder. > > - The solid-fluid flow in a fluidized bed reactor. > > > > For each of these examples, we discuss the mathematical formulation > > that we use within Lethe as > > well as the technical challenges faced when developing the models. We > > conclude by providing a > > high-level perspective of the direction in which we are heading, the > > challenges that we are currently > > facing and the key lessons that have been learned through this > > endeavor to develop a > > CFD/DEM/CFD-DEM software. > > > > Best, > > Timo > > > > -- > > Timo Heister > > http://www.math.clemson.edu/~heister/ > > > > -- > Timo Heister > http://www.math.clemson.edu/~heister/ > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/6e5bd3be-ccc6-4b0b-ab75-025ea76e5a1cn%40googlegroups.com.
[deal.II] Re: Clemson Computational Math Seminar: Bruno Blais - Feb 4
Hi all, The recording of the talk is now available at https://www.youtube.com/watch?v=-qJfml3_HuA Thanks again, Bruno! On Mon, Jan 31, 2022 at 2:56 PM Timo Heister wrote: > > Hi all, > > I would like to announce the following seminar talk in our Clemson > Computational Math seminar that is related to deal.II. If you are > interested, feel free to join using the zoom link below. > > Date and time: Friday, Feb 4 at 11:15am Eastern time > Speaker: Bruno Blais (Polytechnique Montréal) > Title: Lethe: Open-source FEM-based CFD and CFD-DEM models for the > simulation, design and optimization of chemical processes > > Zoom link: https://clemson.zoom.us/j/96402109287 > > Abstract: > Chemical process plants generally consist of a combination of multiple > unit operations which all > have a specific purpose: separating components, facilitating a > chemical reaction, mixing, > transferring energy from one fluid to another, moving fluids. The > design of these operations is still > mostly based on design heuristics which lead to significant challenges > when designing new chemical > processes or scaling-up existing ones. These challenges are > exacerbated by the occurrence of > turbulence, the complex rheology of the fluid or the presence of > multiple phases such as a fluid (gas > or liquid) and solid particles. Computational Fluid Dynamics (CFD) for > the fluid phase, the Discrete > Element Method (DEM) for granular material, and their combination > (CFD-DEM) enable us to > predict the dynamics of these unit operations. This requires > high-performance robust models for > which the components (linear solver, finite element formulation) are > tailored to the application. > > In this talk, we introduce a new open-source CFD, DEM and CFD-DEM > software: Lethe. Lethe is built > upon the well-established deal.II library. It leverages deal.II not > only for its state of the art FEM > capabilities, but it also makes extensive usage of its > high-performance particle tracking module for > its DEM solver. We present four very different examples that highlight > the challenges that the > chemical engineering community face and that can be addressed through > simulations: > - The mixing of shear-thinning fluids. > - The prediction of early turbulent flows. > - The flow of powder. > - The solid-fluid flow in a fluidized bed reactor. > > For each of these examples, we discuss the mathematical formulation > that we use within Lethe as > well as the technical challenges faced when developing the models. We > conclude by providing a > high-level perspective of the direction in which we are heading, the > challenges that we are currently > facing and the key lessons that have been learned through this > endeavor to develop a > CFD/DEM/CFD-DEM software. > > Best, > Timo > > -- > Timo Heister > http://www.math.clemson.edu/~heister/ -- Timo Heister http://www.math.clemson.edu/~heister/ -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to dealii+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/CAMRj59GWCBMKZaZtCrQ8XBaJafF4oTZc9quawsOYhUZ9OC_8TQ%40mail.gmail.com.
