Re: [deal.II] Re: Optimization of Laplacea Equation Solver
Thank You for answer! With best, Oleg On Wednesday, 11 December 2019 15:56:35 UTC+1, Wolfgang Bangerth wrote: > > On 12/10/19 7:16 PM, Oleg Kmechak wrote: > > Can You describe please, why algebraic multigrid algorithm may be better > in > > this situation? Is it somehow opitmal for Laplacea equation or to my > irregular > > mesh? > > That's a long of difficult question -- there's a reason why I recorded > four > video lectures on preconditioning :-) But in short, yes, the algebraic > multigrid method is one of very few algorithms that we know is optimal for > the > Laplace equation. That is, at least, true for the cases where your problem > becomes large -- several hundred thousand or millions of unknowns. For > small > problems, a direct solver is probably faster. > > Best > W. > > -- > > Wolfgang Bangerth email: bang...@colostate.edu > > www: http://www.math.colostate.edu/~bangerth/ > > -- 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/416b586e-c1ca-471f-8322-04e67a4def3e%40googlegroups.com.
[deal.II] Re: PhD Position (deal.II related) in Computational Fluid Dynamics, Polytechnique Montreal, Montreal, Canada
Dear Arun, The project position is filled, but you can always apply spontaneously by sending me an email. Best Bruno On Wednesday, 11 December 2019 01:47:23 UTC-5, arun gk wrote: > > hi sir.. > I would like to apply for this position. > i would like to know if the vacancy is still there..!? > > > On Saturday, 17 August 2019 00:58:58 UTC+5:30, Bruno Blais wrote: >> >> Dear All, >> We currently have an open position in my research group regarding the >> computational modeling of microwave depolymerization reactors using >> deal.II. These reactors are part of a key technology that enables the >> generation of virgin styrene monomers from contaminated polystyrene using >> very novel microwave catalysis technique. This enables the circular economy >> of polystyrene plastic waste. The position is fully funded and does not >> require the student to carry out TA tasks. >> >> A full description is available on the university website: >> >> >> https://www.polymtl.ca/expertises/sites/expertises.amigow.polymtl.ca/files/2019_polymtl_blais_pyrowave_exp_eng.pdf >> >> >> https://www.polymtl.ca/expertises/en/sustainable-production-chemicals-understanding-microwave-reactor-engineering-hydrodynamics >> >> Best regards! >> Bruno >> > -- 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/5011e118-1241-415d-8523-d68c29455670%40googlegroups.com.
