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Searched refs:diffusion (Results 1 – 10 of 10) sorted by relevance

/petsc/src/ts/tutorials/
H A Dex52.c35 PetscScalar diffusion; member
46 options->diffusion = 0.0; in ProcessOptions()
50 … "The diffusive coefficient", "advection_DMPLEX.c", options->diffusion, &options->diffusion, NULL)… in ProcessOptions()
225 if (nC == 2) flux_south = (x[cellsupport[0]] * (-v_plus - user->diffusion * delta_x)) / delta_y; in FormFunction()
226 else flux_south = (boundary * (-v_plus - user->diffusion * delta_x)) / delta_y; in FormFunction()
231 if (nC == 2) flux_east = (x[cellsupport[1]] * (u_minus - user->diffusion * delta_y)) / delta_x; in FormFunction()
232 else flux_east = (boundary * (u_minus - user->diffusion * delta_y)) / delta_x; in FormFunction()
237 if (nC == 2) flux_north = (x[cellsupport[1]] * (v_minus - user->diffusion * delta_x)) / delta_y; in FormFunction()
238 else flux_north = (boundary * (v_minus - user->diffusion * delta_x)) / delta_y; in FormFunction()
243 if (nC == 2) flux_west = (x[cellsupport[0]] * (-u_plus - user->diffusion * delta_y)) / delta_x; in FormFunction()
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H A Dextchemfield.c72 PetscBool diffusion, reactions; member
115 user.diffusion = PETSC_TRUE; in main()
116 …PetscCall(PetscOptionsBool("-diffusion", "Have diffusion", "", user.diffusion, &user.diffusion, NU… in main()
337 if (user->diffusion) PetscCall(FormDiffusionFunction(ts, t, X, F, ptr)); in FormRHSFunction()
373 if (user->diffusion) PetscCall(FormDiffusionJacobian(ts, t, X, Amat, Pmat, ptr)); in FormRHSJacobian()
/petsc/doc/tutorials/
H A Dguide_to_examples_by_physics.md16 is used to model electrostatics, steady-state diffusion, and other physical processes. Many PETSc e…
101 is used to model heat flow, time-dependent diffusion, and other physical processes.
/petsc/share/petsc/saws/
H A Dreadme51 cd src/ts/tutorials/advection-diffusion-reaction
/petsc/src/snes/tutorials/
H A Dex30.c86 ViscParam diffusion, dislocation; member
423 ViscParam difn = param->diffusion, disl = param->dislocation; in Viscosity()
822 param->diffusion.A = 1.8e7; /* Pa-s */ in SetParams()
823 param->diffusion.n = 1.0; /* dim'less */ in SetParams()
824 param->diffusion.Estar = 375e3; /* J/mol */ in SetParams()
825 param->diffusion.Vstar = 5e-6; /* m^3/mol */ in SetParams()
/petsc/share/petsc/datafiles/meshes/
H A Dtestcase3D.cas500 (spark/diffusion-num-smooths 1)
501 (spark/diffusion-factor 1.5)
502 (spark/diffusion-dist 0.02)
503 (spark/diffusion-time (1e-05))
852 (hg/inlet-diffusion? #f)
947 (soot/inlet-diffusion? #f)
1010 (sox/inlet-diffusion? #f)
1127 (nox/inlet-diffusion? #f)
1232 (soot-mom/inlet-diffusion? #t)
1290 (sootspecies/inlet-diffusion? #f)
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/petsc/doc/manual/
H A Dts.md1327 …<a href="PETSC_DOC_OUT_ROOT_PLACEHOLDER/src/ts/tutorials/advection-diffusion-reaction/ex5adj.c.htm…
1445 conditions and diffusion of all species. The self-explanatory examples
H A Dsnes.md203 equation. For example, the nonlinear diffusion problem
/petsc/doc/community/meetings/2023/
H A Dindex.md412 simulation of ITER VDE cases over the actual plasma current diffusion time
/petsc/doc/
H A Dpetsc.bib404 … = {An implicit, numerical method for solving two-dimensional time-dependent diffusion problems},
503 …ve method in the finite element and finite difference solution of convection--diffusion equations},
2118 title = {A parallel solver for reaction-diffusion systems in computational
2251 keywords = {Aortic aneurysm, flow simulation, streamline diffusion FEM, indefinite matrix,
6895 title = {{Sequential and parallel resolution of the two-group transient neutron diffusion
7309 diffusion problem},
9806 title = {Fast parallel algorithms for a broad class of nonlinear variational diffusion
11305 title = {Additive {R}unge-{K}utta schemes for convection-diffusion-reaction equations},
11318 equations in the diffusion limit},
12228 title = {Nonlinear diffusion in graphics hardware},
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