Conjugate gradient methods for stochastic Galerkin finite element - - PowerPoint PPT Presentation

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conjugate gradient methods for stochastic galerkin finite
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Conjugate gradient methods for stochastic Galerkin finite element - - PowerPoint PPT Presentation

Jan 23, 2023 323 likes •431 views

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices B T A B 0 QUIET 2017 | Trieste | C. Mller | CG for SGFE saddle point matrices Conjugate gradient methods for stochastic Galerkin finite element

slide-1
SLIDE 1

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices
slide-2
SLIDE 2

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-3
SLIDE 3

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-4
SLIDE 4

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES GMRES

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-5
SLIDE 5

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES GMRES symmetric precon- ditioner

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-6
SLIDE 6

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES GMRES symmetric precon- ditioner general precon- ditioner

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-7
SLIDE 7

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES GMRES symmetric precon- ditioner triangular precon- ditioner

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-8
SLIDE 8

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES symmetric precon- ditioner triangular precon- ditioner GMRES

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-9
SLIDE 9

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES symmetric precon- ditioner triangular precon- ditioner CG

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices

slide-10
SLIDE 10

Conjugate gradient methods for stochastic Galerkin finite element saddle point matrices A BT B

  • iterative

solution MINRES symmetric precon- ditioner triangular precon- ditioner CG comparison

QUIET 2017 | Trieste | C. Müller | CG for SGFE saddle point matrices