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SpECTRE
v2024.04.12
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Holds the system-agnostic subcell parameters, such as numbers controlling when to switch between DG and subcell. More...
#include <SubcellOptions.hpp>
Classes | |
| struct | AlwaysUseSubcells |
| If true, then we always use the subcell method, not DG. More... | |
| struct | FdToDgTci |
| struct | FiniteDifferenceDerivativeOrder |
| The order of the FD derivative used. More... | |
| struct | MinimumClearTcis |
| The number of time steps/TCI calls that the TCI needs to have decided switching to DG is fine before we actually do the switch. More... | |
| struct | MinTciCallsAfterRollback |
| The number of time steps/TCI calls after a switch from DG to FD before we allow switching back to DG. More... | |
| struct | NumberOfStepsBetweenTciCalls |
The number of time steps taken between calls to the TCI to check if we can go back to the DG grid. A value of 1 means every time step, while 2 means every other time step. More... | |
| struct | OnlyDgBlocksAndGroups |
| A list of block names on which to never do subcell. More... | |
| struct | PerssonExponent |
| The exponent \(\alpha\) passed to the Persson troubled-cell indicator. More... | |
| struct | PerssonNumHighestModes |
| The number of highest modes the Persson troubled-cell indicator monitors. More... | |
| struct | PerssonTci |
| struct | RdmpDelta0 |
| The \(\delta_0\) parameter in the relaxed discrete maximum principle troubled-cell indicator. More... | |
| struct | RdmpEpsilon |
| The \(\epsilon\) parameter in the relaxed discrete maximum principle troubled-cell indicator. More... | |
| struct | RdmpTci |
| struct | SubcellToDgReconstructionMethod |
| Method to use for reconstructing the DG solution from the subcell solution. More... | |
| struct | TroubledCellIndicator |
| Parameters related to the troubled cell indicator (TCI) that determines when to switch between DG and FD. More... | |
| struct | UseHalo |
| Use a width-one halo of FD elements around any troubled element. More... | |
Public Types | |
| using | options = tmpl::list< PerssonExponent, PerssonNumHighestModes, RdmpDelta0, RdmpEpsilon, AlwaysUseSubcells, SubcellToDgReconstructionMethod, UseHalo, OnlyDgBlocksAndGroups, FiniteDifferenceDerivativeOrder, NumberOfStepsBetweenTciCalls, MinTciCallsAfterRollback, MinimumClearTcis > |
Public Member Functions | |
| SubcellOptions (double persson_exponent, size_t persson_num_highest_modes, double rdmp_delta0, double rdmp_epsilon, bool always_use_subcells, fd::ReconstructionMethod recons_method, bool use_halo, std::optional< std::vector< std::string > > only_dg_block_and_group_names, ::fd::DerivativeOrder finite_difference_derivative_order, size_t number_of_steps_between_tci_calls, size_t min_tci_calls_after_rollback, size_t min_clear_tci_before_dg) | |
| template<size_t Dim> | |
| SubcellOptions (const SubcellOptions &subcell_options_with_block_names, const DomainCreator< Dim > &domain_creator) | |
| Given an existing SubcellOptions that was created from block and group names, create one that stores block IDs. More... | |
| void | pup (PUP::er &p) |
| double | persson_exponent () const |
| size_t | persson_num_highest_modes () const |
| double | rdmp_delta0 () const |
| double | rdmp_epsilon () const |
| bool | always_use_subcells () const |
| fd::ReconstructionMethod | reconstruction_method () const |
| bool | use_halo () const |
| const std::vector< size_t > & | only_dg_block_ids () const |
| ::fd::DerivativeOrder | finite_difference_derivative_order () const |
| size_t | number_of_steps_between_tci_calls () const |
| The number of time steps between when we check the TCI to see if we can switch from FD back to DG. | |
| size_t | min_tci_calls_after_rollback () const |
| The number of time steps after a rollback before we check the TCI to see if we can switch from FD back to DG. | |
| size_t | min_clear_tci_before_dg () const |
| The number of times the TCI must have flagged that we can switch back to DG before doing so. More... | |
Static Public Attributes | |
| static constexpr Options::String | help |
Friends | |
| bool | operator== (const SubcellOptions &lhs, const SubcellOptions &rhs) |
Holds the system-agnostic subcell parameters, such as numbers controlling when to switch between DG and subcell.
| evolution::dg::subcell::SubcellOptions::SubcellOptions | ( | const SubcellOptions & | subcell_options_with_block_names, |
| const DomainCreator< Dim > & | domain_creator | ||
| ) |
Given an existing SubcellOptions that was created from block and group names, create one that stores block IDs.
The DomainCreator is used to convert block and group names into IDs and also to check that all listed block names and groups are in the domain.
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inline |
The number of times the TCI must have flagged that we can switch back to DG before doing so.
Note that if we only check the TCI every number_of_steps_between_tci_calls() then it takes number_of_steps_between_tci_calls * min_clear_tci_before_dg time steps before switching from FD back to DG.
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staticconstexpr |