Description
Base class for timesteppers, i.e., time integrators that can advance a system state.
It operates on systems inherited from ChIntegrable.
#include <ChTimestepper.h>
Public Types | |
| enum | Type { EULER_IMPLICIT_LINEARIZED, EULER_IMPLICIT_PROJECTED, EULER_IMPLICIT, TRAPEZOIDAL, TRAPEZOIDAL_LINEARIZED, HHT, HEUN, RUNGEKUTTA45, EULER_EXPLICIT, LEAPFROG, NEWMARK, CUSTOM } |
| Available methods for time integration (time steppers). | |
Public Member Functions | |
| ChTimestepper (ChIntegrable *intgr=nullptr) | |
| Constructor. | |
| virtual | ~ChTimestepper () |
| Destructor. | |
| virtual Type | GetType () const |
| Return type of the integration method. More... | |
| virtual void | Advance (const double dt)=0 |
| Performs an integration timestep. More... | |
| virtual ChVectorDynamic & | GetLagrangeMultipliers () |
| Access the lagrangian multipliers, if any. | |
| virtual void | SetIntegrable (ChIntegrable *intgr) |
| Set the integrable object. | |
| ChIntegrable * | GetIntegrable () |
| Get the integrable object. | |
| virtual double | GetTime () const |
| Get the current time. | |
| virtual void | SetTime (double mt) |
| Set the current time. | |
| void | SetVerbose (bool verb) |
| Turn on/off logging of messages. | |
| virtual void | ArchiveOut (ChArchiveOut &archive) |
| Method to allow serialization of transient data to archives. | |
| virtual void | ArchiveIn (ChArchiveIn &archive) |
| Method to allow de-serialization of transient data from archives. | |
Static Public Member Functions | |
| static std::string | GetTypeAsString (Type type) |
| Return the integrator type as a string. | |
Protected Attributes | |
| ChIntegrable * | integrable |
| double | T |
| ChVectorDynamic | L |
| bool | verbose |
| bool | Qc_do_clamp |
| double | Qc_clamping |
Friends | |
| class | ChSystem |
Member Function Documentation
◆ Advance()
|
pure virtual |
Performs an integration timestep.
- Parameters
-
dt timestep to advance
Implemented in chrono::ChTimestepperNewmark, chrono::ChTimestepperTrapezoidalLinearized2, chrono::ChTimestepperTrapezoidalLinearized, chrono::ChTimestepperTrapezoidal, chrono::ChTimestepperEulerImplicitProjected, chrono::ChTimestepperEulerImplicitLinearized, chrono::ChTimestepperEulerImplicit, chrono::ChTimestepperLeapfrog, chrono::ChTimestepperHeun, chrono::ChTimestepperRungeKuttaExpl, chrono::ChTimestepperEulerSemiImplicit, chrono::ChTimestepperEulerExplIIorder, chrono::ChTimestepperEulerExpl, and chrono::ChTimestepperHHT.
◆ GetType()
|
inlinevirtual |
Return type of the integration method.
Default is CUSTOM. Derived classes should override this function.
Reimplemented in chrono::ChTimestepperNewmark, chrono::ChTimestepperTrapezoidalLinearized, chrono::ChTimestepperTrapezoidal, chrono::ChTimestepperEulerImplicitProjected, chrono::ChTimestepperEulerImplicitLinearized, chrono::ChTimestepperEulerImplicit, chrono::ChTimestepperLeapfrog, chrono::ChTimestepperHeun, chrono::ChTimestepperRungeKuttaExpl, chrono::ChTimestepperEulerExplIIorder, and chrono::ChTimestepperHHT.
The documentation for this class was generated from the following files:
- /builds/uwsbel/chrono/src/chrono/timestepper/ChTimestepper.h
- /builds/uwsbel/chrono/src/chrono/timestepper/ChTimestepper.cpp
