Cantera 2.6.0

Public Member Functions | Protected Attributes | Private Member Functions | List of all members
Sim1D Class Reference
One-Dimensional Reacting Flows

One-dimensional simulations. More...

`#include <Sim1D.h>`

Inheritance diagram for Sim1D:
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Collaboration diagram for Sim1D:
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## Public Member Functions
| Sim1D ()
| Default constructor. More...
| Sim1D (std::vector< Domain1D * > &domains)
| Standard constructor. More...
void | save (const std::string &fname, const std::string &id, const std::string &desc, int loglevel=1)
void | saveResidual (const std::string &fname, const std::string &id, const std::string &desc, int loglevel=1)
void | showSolution (std::ostream &s)
| Print to stream s the current solution for all domains. More...
void | showSolution ()
const doublereal * | solution ()
void | setTimeStep (double stepsize, size_t n, const int *tsteps)
void | solve (int loglevel=0, bool refine_grid=true)
void | eval (doublereal rdt=-1.0, int count=1)
void | getResidual (double rdt, double *resid)
int | refine (int loglevel=0)
| Refine the grid in all domains. More...
int | setFixedTemperature (double t)
| Add node for fixed temperature point of freely propagating flame. More...
double | fixedTemperature ()
| Return temperature at the point used to fix the flame location. More...
double | fixedTemperatureLocation ()
| Return location of the point where temperature is fixed. More...
void | setRefineCriteria (int dom=-1, double ratio=10.0, double slope=0.8, double curve=0.8, double prune=-0.1)
| Set grid refinement criteria. More...
vector_fp | getRefineCriteria (int dom)
| Get the grid refinement criteria. More...
void | setMaxGridPoints (int dom, int npoints)
| Set the maximum number of grid points in the domain. More...
size_t | maxGridPoints (size_t dom)
| Get the maximum number of grid points in this domain. More...
void | setGridMin (int dom, double gridmin)
| Set the minimum grid spacing in the specified domain(s). More...
void | restore (const std::string &fname, const std::string &id, int loglevel=2)
| Initialize the solution with a previously-saved solution. More...
void | restoreTimeSteppingSolution ()
| Set the current solution vector to the last successful time-stepping solution. More...
void | restoreSteadySolution ()
| Set the current solution vector and grid to the last successful steady- state solution. More...
void | getInitialSoln ()
void | setSolution (const doublereal *soln)
const doublereal * | solution () const
doublereal | jacobian (int i, int j)
void | evalSSJacobian ()
void | solveAdjoint (const double *b, double *lambda)
| Solve the equation \( J^T \lambda = b \). More...
virtual void | resize ()
| Call after one or more grids has changed size, for example after being refined. More...
void | setSteadyCallback (Func1 *callback)
| Set a function that will be called after each successful steady-state solve, before regridding. More...
Setting initial values
These methods are used to set the initial values of solution components.
void | setInitialGuess (const std::string &component, vector_fp &locs, vector_fp &vals)
| Set initial guess for one component for all domains. More...
void | setValue (size_t dom, size_t comp, size_t localPoint, doublereal value)
| Set a single value in the solution vector. More...
doublereal | value (size_t dom, size_t comp, size_t localPoint) const
| Get one entry in the solution vector. More...
doublereal | workValue (size_t dom, size_t comp, size_t localPoint) const
void | setProfile (size_t dom, size_t comp, const vector_fp &pos, const vector_fp &values)
| Specify a profile for one component of one domain. More...
void | setFlatProfile (size_t dom, size_t comp, doublereal v)
| Set component 'comp' of domain 'dom' to value 'v' at all points. More...
Public Member Functions inherited from OneDim
| OneDim (std::vector< Domain1D * > domains)
| Construct a OneDim container for the domains in the list domains. More...
| OneDim (const OneDim &)=delete
OneDim & | operator= (const OneDim &)=delete
void | addDomain (Domain1D *d)
| Add a domain. Domains are added left-to-right. More...
MultiJac & | jacobian ()
| Return a reference to the Jacobian evaluator. More...
MultiNewton & | newton ()
| Return a reference to the Newton iterator. More...
int | solve (doublereal *x0, doublereal *x1, int loglevel)
| Solve F(x) = 0, where F(x) is the multi-domain residual function. More...
size_t | nDomains () const
| Number of domains. More...
Domain1D & | domain (size_t i) const
| Return a reference to domain i. More...
size_t | domainIndex (const std::string &name)
void | checkDomainIndex (size_t n) const
| Check that the specified domain index is in range. More...
void | checkDomainArraySize (size_t nn) const
| Check that an array size is at least nDomains(). More...
size_t | start (size_t i) const
| The index of the start of domain i in the solution vector. More...
size_t | size () const
| Total solution vector length;. More...
Domain1D * | left ()
| Pointer to left-most domain (first added). More...
Domain1D * | right ()
| Pointer to right-most domain (last added). More...
size_t | nVars (size_t jg)
| Number of solution components at global point jg. More...
size_t | loc (size_t jg)
| Location in the solution vector of the first component of global point jg. More...
std::tuple< std::string, size_t, std::string > | component (size_t i)
| Return the domain, local point index, and component name for the i-th component of the global solution vector. More...
size_t | bandwidth () const
| Jacobian bandwidth. More...
void | init ()
size_t | points ()
| Total number of points. More...
doublereal | ssnorm (doublereal *x, doublereal *r)
| Steady-state max norm (infinity norm) of the residual evaluated using solution x. More...
doublereal | rdt () const
| Reciprocal of the time step. More...
void | initTimeInteg (doublereal dt, doublereal *x)
| Prepare for time stepping beginning with solution x and timestep dt. More...
bool | transient () const
| True if transient mode. More...
bool | steady () const
| True if steady mode. More...
void | setSteadyMode ()
void | eval (size_t j, double *x, double *r, doublereal rdt=-1.0, int count=1)
| Evaluate the multi-domain residual function. More...
Domain1D * | pointDomain (size_t i)
| Return a pointer to the domain global point i belongs to. More...
virtual void | resize ()
| Call after one or more grids has changed size, for example after being refined. More...
vector_int & | transientMask ()
double | timeStep (int nsteps, double dt, double *x, double *r, int loglevel)
void | resetBadValues (double *x)
void | writeStats (int printTime=1)
| Write statistics about the number of iterations and Jacobians at each grid level. More...
void | save (const std::string &fname, std::string id, const std::string &desc, doublereal *sol, int loglevel)
AnyMap | serialize (const double *soln) const
void | setMinTimeStep (doublereal tmin)
void | setMaxTimeStep (doublereal tmax)
void | setTimeStepFactor (doublereal tfactor)
void | setMaxTimeStepCount (int nmax)
| Set the maximum number of timeteps allowed before successful steady-state solve. More...
int | maxTimeStepCount () const
| Return the maximum number of timeteps allowed before successful steady-state solve. More...
void | setJacAge (int ss_age, int ts_age=-1)
void | saveStats ()
| Save statistics on function and Jacobian evaluation, and reset the counters. More...
void | clearStats ()
| Clear saved statistics. More...
const std::vector< size_t > & | gridSizeStats ()
| Return total grid size in each call to solve() More...
const vector_fp & | jacobianTimeStats ()
| Return CPU time spent evaluating Jacobians in each call to solve() More...
const vector_fp & | evalTimeStats ()
| Return CPU time spent on non-Jacobian function evaluations in each call to solve() More...
const vector_int & | jacobianCountStats ()
| Return number of Jacobian evaluations made in each call to solve() More...
const vector_int & | evalCountStats ()
| Return number of non-Jacobian function evaluations made in each call to solve() More...
const vector_int & | timeStepStats ()
| Return number of time steps taken in each call to solve() More...
void | setInterrupt (Func1 *interrupt)
| Set a function that will be called every time eval is called. More...
void | setTimeStepCallback (Func1 *callback)
| Set a function that will be called after each successful timestep. More...

## Protected Attributes
vector_fp | m_x
| the solution vector More...
vector_fp | m_xlast_ts
| the solution vector after the last successful timestepping More...
vector_fp | m_xlast_ss
| the solution vector after the last successful steady-state solve (stored before grid refinement) More...
std::vector< vector_fp > | m_grid_last_ss
| the grids for each domain after the last successful steady-state solve (stored before grid refinement) More...
vector_fp | m_xnew
| a work array used to hold the residual or the new solution More...
doublereal | m_tstep
| timestep More...
vector_int | m_steps
| array of number of steps to take before re-attempting the steady-state solution More...
Func1 * | m_steady_callback
| User-supplied function called after a successful steady-state solve. More...
Protected Attributes inherited from OneDim
doublereal | m_tmin
| minimum timestep size More...
doublereal | m_tmax
| maximum timestep size More...
doublereal | m_tfactor
| factor time step is multiplied by if time stepping fails ( < 1 ) More...
std::unique_ptr< MultiJac > | m_jac
| Jacobian evaluator. More...
std::unique_ptr< MultiNewton > | m_newt
| Newton iterator. More...
doublereal | m_rdt
| reciprocal of time step More...
bool | m_jac_ok
| if true, Jacobian is current More...
size_t | m_bw
| Jacobian bandwidth. More...
size_t | m_size
| solution vector size More...
std::vector< Domain1D * > | m_dom
std::vector< Domain1D * > | m_connect
std::vector< Domain1D * > | m_bulk
bool | m_init
std::vector< size_t > | m_nvars
std::vector< size_t > | m_loc
vector_int | m_mask
size_t | m_pts
int | m_ss_jac_age
int | m_ts_jac_age
Func1 * | m_interrupt
| Function called at the start of every call to eval. More...
Func1 * | m_time_step_callback
| User-supplied function called after each successful timestep. More...
int | m_nsteps
| Number of time steps taken in the current call to solve() More...
int | m_nsteps_max
| Maximum number of timesteps allowed per call to solve() More...

## Private Member Functions
void | finalize ()
| Calls method _finalize in each domain. More...
int | newtonSolve (int loglevel)
| Wrapper around the Newton solver. More...

## Additional Inherited Members
Protected Member Functions inherited from OneDim
void | evalSSJacobian (doublereal *x, doublereal *xnew)

## Detailed Description

One-dimensional simulations.

Class Sim1D extends class OneDim by storing the solution vector, and by adding a hybrid Newton/time-stepping solver.

Definition at line 21 of file Sim1D.h.

## Constructor & Destructor Documentation

## ◆ Sim1D() [1/2]

Sim1D | ( |  | ) |
| inline

Default constructor.

This constructor is provided to make the class default-constructible, but is not meant to be used in most applications. Use the next constructor

Definition at line 29 of file Sim1D.h.

## ◆ Sim1D() [2/2]

Sim1D | ( | std::vector< Domain1D * > & | domains | ) |

Standard constructor.

Parameters

  domains | A vector of pointers to the domains to be linked together. The domain pointers must be entered in left-to-right order — that is, the pointer to the leftmost domain is domain[0], the pointer to the domain to its right is domain[1], etc.

Definition at line 25 of file Sim1D.cpp.

References Domain1D::_getInitialSoln(), OneDim::domain(), Sim1D::m_steps, Sim1D::m_tstep, Sim1D::m_x, OneDim::nDomains(), Sim1D::resize(), and OneDim::start().

## Member Function Documentation

## ◆ setInitialGuess()

void setInitialGuess | ( | const std::string & | component,
|  | vector_fp & | locs,
|  | vector_fp & | vals
| ) |  |

Set initial guess for one component for all domains.

Parameters

  component | component name
  locs | A vector of relative positions, beginning with 0.0 at the left of the domain, and ending with 1.0 at the right of the domain.
  vals | A vector of values corresponding to the relative position locations.

Definition at line 41 of file Sim1D.cpp.

References OneDim::component(), Domain1D::componentName(), OneDim::domain(), Domain1D::nComponents(), OneDim::nDomains(), and Sim1D::setProfile().

## ◆ setValue()

void setValue | ( | size_t | dom,
|  | size_t | comp,
|  | size_t | localPoint,
|  | doublereal | value
| ) |  |

Set a single value in the solution vector.

Parameters

  dom | domain number, beginning with 0 for the leftmost domain.
  comp | component number
  localPoint | grid point within the domain, beginning with 0 for the leftmost grid point in the domain.
  value | the value.

Definition at line 54 of file Sim1D.cpp.

References AssertThrowMsg, OneDim::domain(), Domain1D::loc(), Sim1D::m_x, and Sim1D::value().

Referenced by Sim1D::setFlatProfile(), and Sim1D::setProfile().

## ◆ value()

doublereal value | ( | size_t | dom,
|  | size_t | comp,
|  | size_t | localPoint
| ) |  | const

Get one entry in the solution vector.

Parameters

  dom | domain number, beginning with 0 for the leftmost domain.
  comp | component number
  localPoint | grid point within the domain, beginning with 0 for the leftmost grid point in the domain.

Definition at line 62 of file Sim1D.cpp.

References AssertThrowMsg, OneDim::domain(), Domain1D::loc(), and Sim1D::m_x.

Referenced by Sim1D::refine(), and Sim1D::setValue().

## ◆ workValue()

doublereal workValue | ( | size_t | dom,
|  | size_t | comp,
|  | size_t | localPoint
| ) |  | const

Definition at line 70 of file Sim1D.cpp.

## ◆ setProfile()

void setProfile | ( | size_t | dom,
|  | size_t | comp,
|  | const vector_fp & | pos,
|  | const vector_fp & | values
| ) |  |

Specify a profile for one component of one domain.

Parameters

  dom | domain number, beginning with 0 for the leftmost domain.
  comp | component number
  pos | A vector of relative positions, beginning with 0.0 at the left of the domain, and ending with 1.0 at the right of the domain.
  values | A vector of values corresponding to the relative position locations.

Note that the vector pos and values can have lengths different than the number of grid points, but their lengths must be equal. The values at the grid points will be linearly interpolated based on the (pos, values) specification.

Definition at line 78 of file Sim1D.cpp.

References OneDim::domain(), Cantera::linearInterp(), Domain1D::nPoints(), and Sim1D::setValue().

Referenced by Sim1D::setInitialGuess().

## ◆ setFlatProfile()

void setFlatProfile | ( | size_t | dom,
|  | size_t | comp,
|  | doublereal | v
| ) |  |

Set component 'comp' of domain 'dom' to value 'v' at all points.

Definition at line 220 of file Sim1D.cpp.

References OneDim::domain(), Domain1D::nPoints(), and Sim1D::setValue().

## ◆ save()

void save | ( | const std::string & | fname,
|  | const std::string & | id,
|  | const std::string & | desc,
|  | int | loglevel = `1`
| ) |  |

Definition at line 97 of file Sim1D.cpp.

## ◆ saveResidual()

void saveResidual | ( | const std::string & | fname,
|  | const std::string & | id,
|  | const std::string & | desc,
|  | int | loglevel = `1`
| ) |  |

Definition at line 150 of file Sim1D.cpp.

## ◆ showSolution() [1/2]

void showSolution | ( | std::ostream & | s | ) |

Print to stream s the current solution for all domains.

Definition at line 228 of file Sim1D.cpp.

References OneDim::domain(), Domain1D::domainType(), and OneDim::nDomains().

## ◆ showSolution() [2/2]

void showSolution | ( |  | ) |

Definition at line 237 of file Sim1D.cpp.

## ◆ solution() [1/2]

const doublereal * solution | ( |  | ) |
| inline

Definition at line 111 of file Sim1D.h.

## ◆ setTimeStep()

void setTimeStep | ( | double | stepsize,
|  | size_t | n,
|  | const int * | tsteps
| ) |  |

Definition at line 284 of file Sim1D.cpp.

## ◆ solve()

void solve | ( | int | loglevel = `0`,
|  | bool | refine_grid = `true`
| ) |  |

Definition at line 307 of file Sim1D.cpp.

## ◆ eval()

void eval | ( | doublereal | rdt = `-1.0`,
|  | int | count = `1`
| ) |  |
| inline

Definition at line 119 of file Sim1D.h.

## ◆ getResidual()

void getResidual | ( | double | rdt,
|  | double * | resid
| ) |  |
| inline

Definition at line 124 of file Sim1D.h.

## ◆ refine()

int refine | ( | int | loglevel = `0` | ) |

Refine the grid in all domains.

Definition at line 421 of file Sim1D.cpp.

References OneDim::domain(), Sim1D::finalize(), Sim1D::m_grid_last_ss, Sim1D::m_x, Sim1D::m_xlast_ss, Domain1D::nComponents(), OneDim::nDomains(), Domain1D::nPoints(), Domain1D::refiner(), Sim1D::resize(), Domain1D::setupGrid(), OneDim::start(), Sim1D::value(), and Cantera::writelog().

## ◆ setFixedTemperature()

int setFixedTemperature | ( | double | t | ) |

Add node for fixed temperature point of freely propagating flame.

Definition at line 507 of file Sim1D.cpp.

References OneDim::domain(), Domain1D::domainType(), Domain1D::nComponents(), OneDim::nDomains(), Domain1D::nPoints(), and Cantera::npos.

## ◆ fixedTemperature()

double fixedTemperature | ( |  | ) |

Return temperature at the point used to fix the flame location.

Definition at line 597 of file Sim1D.cpp.

References OneDim::domain(), Domain1D::domainType(), and OneDim::nDomains().

## ◆ fixedTemperatureLocation()

double fixedTemperatureLocation | ( |  | ) |

Return location of the point where temperature is fixed.

Definition at line 610 of file Sim1D.cpp.

References OneDim::domain(), Domain1D::domainType(), and OneDim::nDomains().

## ◆ setRefineCriteria()

void setRefineCriteria | ( | int | dom = `-1`,
|  | double | ratio = `10.0`,
|  | double | slope = `0.8`,
|  | double | curve = `0.8`,
|  | double | prune = `-0.1`
| ) |  |

Set grid refinement criteria.

If dom >= 0, then the settings apply only to the specified domain. If dom < 0, the settings are applied to each domain.

See also
  Refiner::setCriteria.

Definition at line 623 of file Sim1D.cpp.

References OneDim::domain(), OneDim::nDomains(), Domain1D::refiner(), and Refiner::setCriteria().

## ◆ getRefineCriteria()

vector_fp getRefineCriteria | ( | int | dom | ) |

Get the grid refinement criteria.

dom must be greater than or equal to zero (that is, the domain must be specified).

See also
  Refiner::getCriteria

Definition at line 637 of file Sim1D.cpp.

References OneDim::domain(), Refiner::getCriteria(), and Domain1D::refiner().

## ◆ setMaxGridPoints()

void setMaxGridPoints | ( | int | dom,
|  | int | npoints
| ) |  |

Set the maximum number of grid points in the domain.

If dom >= 0, then the settings apply only to the specified domain. If dom < 0, the settings are applied to each domain.

See also
  Refiner::setMaxPoints.

Definition at line 661 of file Sim1D.cpp.

References OneDim::domain(), OneDim::nDomains(), Domain1D::refiner(), and Refiner::setMaxPoints().

## ◆ maxGridPoints()

size_t maxGridPoints | ( | size_t | dom | ) |

Get the maximum number of grid points in this domain.

See also
  Refiner::maxPoints

Parameters

  dom | domain number, beginning with 0 for the leftmost domain.

Definition at line 674 of file Sim1D.cpp.

References OneDim::domain(), Refiner::maxPoints(), and Domain1D::refiner().

## ◆ setGridMin()

void setGridMin | ( | int | dom,
|  | double | gridmin
| ) |  |

Set the minimum grid spacing in the specified domain(s).

Parameters

  dom | Domain index. If dom == -1, the specified spacing is applied to all domains.
  gridmin | The minimum allowable grid spacing [m]

Definition at line 648 of file Sim1D.cpp.

References OneDim::domain(), OneDim::nDomains(), Domain1D::refiner(), and Refiner::setGridMin().

## ◆ restore()

void restore | ( | const std::string & | fname,
|  | const std::string & | id,
|  | int | loglevel = `2`
| ) |  |

Initialize the solution with a previously-saved solution.

Definition at line 162 of file Sim1D.cpp.

References XML_Node::build(), OneDim::domain(), Cantera::dot(), Sim1D::finalize(), XML_Node::findID(), AnyMap::fromYamlFile(), XML_Node::getChildren(), AnyMap::hasKey(), Cantera::intValue(), Sim1D::m_x, Sim1D::m_xlast_ts, OneDim::nDomains(), Cantera::npos, Sim1D::resize(), Domain1D::resize(), Domain1D::restore(), OneDim::start(), Cantera::toLowerCopy(), and Cantera::warn_user().

## ◆ restoreTimeSteppingSolution()

void restoreTimeSteppingSolution | ( |  | ) |

Set the current solution vector to the last successful time-stepping solution.

This can be used to examine the solver progress after a failed integration.

Definition at line 248 of file Sim1D.cpp.

References Sim1D::m_x, and Sim1D::m_xlast_ts.

## ◆ restoreSteadySolution()

void restoreSteadySolution | ( |  | ) |

Set the current solution vector and grid to the last successful steady- state solution.

This can be used to examine the solver progress after a failure during grid refinement.

Definition at line 257 of file Sim1D.cpp.

References OneDim::domain(), Sim1D::m_grid_last_ss, Sim1D::m_x, Sim1D::m_xlast_ss, OneDim::nDomains(), and Domain1D::setupGrid().

## ◆ getInitialSoln()

void getInitialSoln | ( |  | ) |

Definition at line 270 of file Sim1D.cpp.

## ◆ setSolution()

void setSolution | ( | const doublereal * | soln | ) |
| inline

Definition at line 193 of file Sim1D.h.

## ◆ solution() [2/2]

const doublereal * solution | ( |  | ) | const
| inline

Definition at line 197 of file Sim1D.h.

## ◆ jacobian()

doublereal jacobian | ( | int | i,
|  | int | j
| ) |  |

Definition at line 680 of file Sim1D.cpp.

## ◆ evalSSJacobian()

void evalSSJacobian | ( |  | ) |

Definition at line 685 of file Sim1D.cpp.

## ◆ solveAdjoint()

void solveAdjoint | ( | const double * | b,
|  | double * | lambda
| ) |  |

Solve the equation \( J^T \lambda = b \).

Here, \( J = \partial f/\partial x \) is the Jacobian matrix of the system of equations \( f(x,p)=0 \). This can be used to efficiently solve for the sensitivities of a scalar objective function \( g(x,p) \) to a vector of parameters \( p \) by solving:

\[ J^T \lambda = \left( \frac{\partial g}{\partial x} \right)^T \]

for \( \lambda \) and then computing:

\[ \left.\frac{dg}{dp}\right|_{f=0} = \frac{\partial g}{\partial p} - \lambda^T \frac{\partial f}{\partial p} \]

Definition at line 690 of file Sim1D.cpp.

## ◆ resize()

void resize | ( |  | ) |
| virtual

Call after one or more grids has changed size, for example after being refined.

Reimplemented from OneDim.

Definition at line 714 of file Sim1D.cpp.

References Sim1D::m_x, Sim1D::m_xnew, OneDim::resize(), and OneDim::size().

Referenced by Sim1D::refine(), Sim1D::restore(), and Sim1D::Sim1D().

## ◆ setSteadyCallback()

void setSteadyCallback | ( | Func1 * | callback | ) |
| inline

Set a function that will be called after each successful steady-state solve, before regridding.

Intended to be used for observing solver progress for debugging purposes.

Definition at line 225 of file Sim1D.h.

References Sim1D::m_steady_callback.

## ◆ finalize()

void finalize | ( |  | ) |
| private

Calls method _finalize in each domain.

Definition at line 277 of file Sim1D.cpp.

References Domain1D::_finalize(), OneDim::domain(), Sim1D::m_x, OneDim::nDomains(), and OneDim::start().

Referenced by Sim1D::refine(), and Sim1D::restore().

## ◆ newtonSolve()

int newtonSolve | ( | int | loglevel | ) |
| private

Wrapper around the Newton solver.

Returns
  0 if successful, -1 on failure

Definition at line 293 of file Sim1D.cpp.

References Sim1D::m_x, Sim1D::m_xnew, and OneDim::solve().

## Member Data Documentation

## ◆ m_x

vector_fp m_x
| protected

the solution vector

Definition at line 231 of file Sim1D.h.

Referenced by Sim1D::finalize(), Sim1D::newtonSolve(), Sim1D::refine(), Sim1D::resize(), Sim1D::restore(), Sim1D::restoreSteadySolution(), Sim1D::restoreTimeSteppingSolution(), Sim1D::setValue(), Sim1D::Sim1D(), and Sim1D::value().

## ◆ m_xlast_ts

vector_fp m_xlast_ts
| protected

the solution vector after the last successful timestepping

Definition at line 234 of file Sim1D.h.

Referenced by Sim1D::restore(), and Sim1D::restoreTimeSteppingSolution().

## ◆ m_xlast_ss

vector_fp m_xlast_ss
| protected

the solution vector after the last successful steady-state solve (stored before grid refinement)

Definition at line 238 of file Sim1D.h.

Referenced by Sim1D::refine(), and Sim1D::restoreSteadySolution().

## ◆ m_grid_last_ss

std::vector<vector_fp> m_grid_last_ss
| protected

the grids for each domain after the last successful steady-state solve (stored before grid refinement)

Definition at line 242 of file Sim1D.h.

Referenced by Sim1D::refine(), and Sim1D::restoreSteadySolution().

## ◆ m_xnew

vector_fp m_xnew
| protected

a work array used to hold the residual or the new solution

Definition at line 245 of file Sim1D.h.

Referenced by Sim1D::newtonSolve(), and Sim1D::resize().

## ◆ m_tstep

doublereal m_tstep
| protected

timestep

Definition at line 248 of file Sim1D.h.

Referenced by Sim1D::Sim1D().

## ◆ m_steps

vector_int m_steps
| protected

array of number of steps to take before re-attempting the steady-state solution

Definition at line 252 of file Sim1D.h.

Referenced by Sim1D::Sim1D().

## ◆ m_steady_callback

Func1* m_steady_callback
| protected

User-supplied function called after a successful steady-state solve.

Definition at line 255 of file Sim1D.h.

Referenced by Sim1D::setSteadyCallback().

The documentation for this class was generated from the following files:

- Sim1D.h
- Sim1D.cpp