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 = 0, EULER_IMPLICIT_PROJECTED = 1, EULER_IMPLICIT = 2, TRAPEZOIDAL = 3, TRAPEZOIDAL_LINEARIZED = 4, HHT = 5, HEUN = 6, RUNGEKUTTA45 = 7, EULER_EXPLICIT = 8, LEAPFROG = 9, NEWMARK = 10, CUSTOM = 20 } |
| Available methods for time integration (time steppers). | |
Public Member Functions | |
| ChTimestepper (ChIntegrable *mintegrable=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 & | get_L () |
| Access the lagrangian multipliers, if any. | |
| virtual void | SetIntegrable (ChIntegrable *mintegrable) |
| 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 mverbose) |
| Turn on/off logging of messages. | |
| void | SetQcDoClamp (bool mdc) |
| Turn on/off clamping on the Qcterm. | |
| void | SetQcClamping (double mcl) |
| Turn on/off clamping on the Qcterm. | |
| virtual void | ArchiveOUT (ChArchiveOut &marchive) |
| Method to allow serialization of transient data to archives. | |
| virtual void | ArchiveIN (ChArchiveIn &marchive) |
| Method to allow de-serialization of transient data from archives. | |
Protected Attributes | |
| ChIntegrable * | integrable |
| double | T |
| ChVectorDynamic | L |
| bool | verbose |
| bool | Qc_do_clamp |
| double | Qc_clamping |
Member Function Documentation
|
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.
|
virtual |
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.
