void D1MinusLinearOSI::initializeWorkVectorsForDS(double t, SP::DynamicalSystem ds)
{
// Get work buffers from the graph
VectorOfVectors& ds_work_vectors = *_initializeDSWorkVectors(ds);
// Check dynamical system type
Type::Siconos dsType = Type::value(*ds);
assert(dsType == Type::LagrangianLinearTIDS || dsType == Type::LagrangianDS || dsType == Type::NewtonEulerDS);
if(dsType == Type::LagrangianDS || dsType == Type::LagrangianLinearTIDS)
{
SP::LagrangianDS lds = std11::static_pointer_cast<LagrangianDS> (ds);
lds->init_generalized_coordinates(2); // acceleration is required for the ds
lds->init_inverse_mass(); // invMass required to update post-impact velocity
ds_work_vectors.resize(D1MinusLinearOSI::WORK_LENGTH);
ds_work_vectors[D1MinusLinearOSI::RESIDU_FREE].reset(new SiconosVector(lds->dimension()));
ds_work_vectors[D1MinusLinearOSI::FREE].reset(new SiconosVector(lds->dimension()));
ds_work_vectors[D1MinusLinearOSI::FREE_TDG].reset(new SiconosVector(lds->dimension()));
// Update dynamical system components (for memory swap).
lds->computeForces(t, lds->q(), lds->velocity());
lds->swapInMemory();
}
else if(dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS neds = std11::static_pointer_cast<NewtonEulerDS> (ds);
neds->init_inverse_mass(); // invMass required to update post-impact velocity
ds_work_vectors.resize(D1MinusLinearOSI::WORK_LENGTH);
ds_work_vectors[D1MinusLinearOSI::RESIDU_FREE].reset(new SiconosVector(neds->dimension()));
ds_work_vectors[D1MinusLinearOSI::FREE].reset(new SiconosVector(neds->dimension()));
ds_work_vectors[D1MinusLinearOSI::FREE_TDG].reset(new SiconosVector(neds->dimension()));
//Compute a first value of the forces to store it in _forcesMemory
neds->computeForces(t, neds->q(), neds->twist());
neds->swapInMemory();
}
else
RuntimeException::selfThrow("D1MinusLinearOSI::initialize - not implemented for Dynamical system type: " + dsType);
for (unsigned int k = _levelMinForInput ; k < _levelMaxForInput + 1; k++)
{
ds->initializeNonSmoothInput(k);
}
}
double D1MinusLinearOSI::computeResiduHalfExplicitAccelerationLevel()
{
DEBUG_BEGIN("\n D1MinusLinearOSI::computeResiduHalfExplicitAccelerationLevel()\n");
double t = _simulation->nextTime(); // end of the time step
double told = _simulation->startingTime(); // beginning of the time step
double h = _simulation->timeStep(); // time step length
SP::OneStepNSProblems allOSNS = _simulation->oneStepNSProblems(); // all OSNSP
SP::Topology topo = _simulation->nonSmoothDynamicalSystem()->topology();
SP::InteractionsGraph indexSet2 = topo->indexSet(2);
/**************************************************************************************************************
* Step 1- solve a LCP at acceleration level for lambda^+_{k} for the last set indices
* if index2 is empty we should skip this step
**************************************************************************************************************/
DEBUG_PRINT("\nEVALUATE LEFT HAND SIDE\n");
DEBUG_EXPR(std::cout<< "allOSNS->empty() " << std::boolalpha << allOSNS->empty() << std::endl << std::endl);
DEBUG_EXPR(std::cout<< "allOSNS->size() " << allOSNS->size() << std::endl << std::endl);
// -- LEFT SIDE --
DynamicalSystemsGraph::VIterator dsi, dsend;
for (std11::tie(dsi, dsend) = _dynamicalSystemsGraph->vertices(); dsi != dsend; ++dsi)
{
if (!checkOSI(dsi)) continue;
SP::DynamicalSystem ds = _dynamicalSystemsGraph->bundle(*dsi);
Type::Siconos dsType = Type::value(*ds);
SP::SiconosVector accFree;
SP::SiconosVector work_tdg;
SP::SiconosMatrix Mold;
DEBUG_EXPR((*it)->display());
if ((dsType == Type::LagrangianDS) || (dsType == Type::LagrangianLinearTIDS))
{
SP::LagrangianDS d = std11::static_pointer_cast<LagrangianDS> (ds);
accFree = d->workspace(DynamicalSystem::free); /* POINTER CONSTRUCTOR : will contain
* the acceleration without contact force */
accFree->zero();
// get left state from memory
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0); // right limit
Mold = d->mass();
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(qold->display());
DEBUG_EXPR(vold->display());
DEBUG_EXPR(Mold->display());
if (! d->workspace(DynamicalSystem::free_tdg))
{
d->allocateWorkVector(DynamicalSystem::free_tdg, d->dimension()) ;
}
work_tdg = d->workspace(DynamicalSystem::free_tdg);
work_tdg->zero();
DEBUG_EXPR(work_tdg->display());
if (d->forces())
{
d->computeForces(told, qold, vold);
DEBUG_EXPR(d->forces()->display());
*accFree += *(d->forces());
}
Mold->PLUForwardBackwardInPlace(*accFree); // contains left (right limit) acceleration without contact force
d->addWorkVector(accFree,DynamicalSystem::free_tdg); // store the value in WorkFreeFree
}
else if(dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS d = std11::static_pointer_cast<NewtonEulerDS> (ds);
accFree = d->workspace(DynamicalSystem::free); // POINTER CONSTRUCTOR : contains acceleration without contact force
accFree->zero();
// get left state from memory
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0); // right limit
//Mold = d->mass();
assert(!d->mass()->isPLUInversed());
Mold.reset(new SimpleMatrix(*(d->mass()))); // we copy the mass matrix to avoid its factorization
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(qold->display());
DEBUG_EXPR(vold->display());
DEBUG_EXPR(Mold->display());
if (! d->workspace(DynamicalSystem::free_tdg))
{
d->allocateWorkVector(DynamicalSystem::free_tdg, d->dimension()) ;
}
work_tdg = d->workspace(DynamicalSystem::free_tdg);
work_tdg->zero();
DEBUG_EXPR(work_tdg->display());
if (d->forces())
{
d->computeForces(told, qold, vold);
DEBUG_EXPR(d->forces()->display());
*accFree += *(d->forces());
}
Mold->PLUForwardBackwardInPlace(*accFree); // contains left (right limit) acceleration without contact force
d->addWorkVector(accFree,DynamicalSystem::free_tdg); // store the value in WorkFreeFree
}
else
{
RuntimeException::selfThrow("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
}
DEBUG_PRINT("accFree contains right limit acceleration at t^+_k with contact force :\n");
DEBUG_EXPR(accFree->display());
DEBUG_PRINT("work_tdg contains right limit acceleration at t^+_k without contact force :\n");
DEBUG_EXPR(work_tdg->display());
}
if (!allOSNS->empty())
{
if (indexSet2->size() >0)
{
InteractionsGraph::VIterator ui, uiend;
SP::Interaction inter;
for (std11::tie(ui, uiend) = indexSet2->vertices(); ui != uiend; ++ui)
{
inter = indexSet2->bundle(*ui);
inter->relation()->computeJach(t, *inter, indexSet2->properties(*ui));
inter->relation()->computeJacg(told, *inter, indexSet2->properties(*ui));
}
if (_simulation->nonSmoothDynamicalSystem()->topology()->hasChanged())
{
for (OSNSIterator itOsns = allOSNS->begin(); itOsns != allOSNS->end(); ++itOsns)
{
(*itOsns)->setHasBeenUpdated(false);
}
}
assert((*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]);
if (((*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->hasInteractions())) // it should be equivalent to indexSet2
{
DEBUG_PRINT("We compute lambda^+_{k} \n");
(*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->compute(told);
DEBUG_EXPR((*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->display());
}
// Note Franck : at the time this results in a call to swapInMem of all Interactions of the NSDS
// So let the simu do this.
//(*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->saveInMemory(); // we push y and lambda in Memories
_simulation->nonSmoothDynamicalSystem()->pushInteractionsInMemory();
_simulation->nonSmoothDynamicalSystem()->updateInput(_simulation->nextTime(),2);
for (std11::tie(dsi, dsend) = _dynamicalSystemsGraph->vertices(); dsi != dsend; ++dsi)
{
if (!checkOSI(dsi)) continue;
SP::DynamicalSystem ds = _dynamicalSystemsGraph->bundle(*dsi);
Type::Siconos dsType = Type::value(*ds);
if ((dsType == Type::LagrangianDS) || (dsType == Type::LagrangianLinearTIDS))
{
SP::LagrangianDS d = std11::static_pointer_cast<LagrangianDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free); // POINTER CONSTRUCTOR : contains acceleration without contact force
SP::SiconosVector dummy(new SiconosVector(*(d->p(2)))); // value = contact force
SP::SiconosMatrix Mold = d->mass();
Mold->PLUForwardBackwardInPlace(*dummy);
*accFree += *(dummy);
DEBUG_EXPR(d->p(2)->display());
}
else if (dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS d = std11::static_pointer_cast<NewtonEulerDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free); // POINTER CONSTRUCTOR : contains acceleration without contact force
SP::SiconosVector dummy(new SiconosVector(*(d->p(2)))); // value = contact force
SP::SiconosMatrix Mold(new SimpleMatrix(*(d->mass()))); // we copy the mass matrix to avoid its factorization
DEBUG_EXPR(Mold->display());
Mold->PLUForwardBackwardInPlace(*dummy);
*accFree += *(dummy);
DEBUG_EXPR(d->p(2)->display());
}
else
RuntimeException::selfThrow("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
}
}
}
/**************************************************************************************************************
* Step 2 - compute v_{k,1}
**************************************************************************************************************/
DEBUG_PRINT("\n PREDICT RIGHT HAND SIDE\n");
for (std11::tie(dsi, dsend) = _dynamicalSystemsGraph->vertices(); dsi != dsend; ++dsi)
{
if (!checkOSI(dsi)) continue;
SP::DynamicalSystem ds = _dynamicalSystemsGraph->bundle(*dsi);
// type of the current DS
Type::Siconos dsType = Type::value(*ds);
/* \warning the following conditional statement should be removed with a MechanicalDS class */
if ((dsType == Type::LagrangianDS) || (dsType == Type::LagrangianLinearTIDS))
{
SP::LagrangianDS d = std11::static_pointer_cast<LagrangianDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free); // contains acceleration without contact force
// get left state from memory
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0);
// initialize *it->residuFree and predicted right velocity (left limit)
SP::SiconosVector residuFree = ds->workspace(DynamicalSystem::freeresidu); // contains residu without nonsmooth effect
SP::SiconosVector v = d->velocity(); //contains velocity v_{k+1}^- and not free velocity
residuFree->zero();
v->zero();
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(qold->display());
DEBUG_EXPR(vold->display());
*residuFree -= 0.5 * h**accFree;
*v += h**accFree;
*v += *vold;
DEBUG_EXPR(residuFree->display());
DEBUG_EXPR(v->display());
SP::SiconosVector q = d->q(); // POINTER CONSTRUCTOR : contains position q_{k+1}
*q = *qold;
scal(0.5 * h, *vold + *v, *q, false);
DEBUG_EXPR(q->display());
}
else if (dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS d = std11::static_pointer_cast<NewtonEulerDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free);
// get left state from memory
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0);
// initialize *it->residuFree and predicted right velocity (left limit)
SP::SiconosVector residuFree = ds->workspace(DynamicalSystem::freeresidu); // contains residu without nonsmooth effect
SP::SiconosVector v = d->velocity(); //contains velocity v_{k+1}^- and not free velocity
residuFree->zero();
v->zero();
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(qold->display());
DEBUG_EXPR(vold->display());
*residuFree -= 0.5 * h**accFree;
*v += h**accFree;
*v += *vold;
DEBUG_EXPR(residuFree->display());
DEBUG_EXPR(v->display());
//first step consists in computing \dot q.
//second step consists in updating q.
//
SP::SiconosMatrix T = d->T();
SP::SiconosVector dotq = d->dotq();
prod(*T, *v, *dotq, true);
SP::SiconosVector dotqold = d->dotqMemory()->getSiconosVector(0);
SP::SiconosVector q = d->q(); // POINTER CONSTRUCTOR : contains position q_{k+1}
*q = *qold;
scal(0.5 * h, *dotqold + *dotq, *q, false);
DEBUG_PRINT("new q before normalizing\n");
DEBUG_EXPR(q->display());
//q[3:6] must be normalized
d->normalizeq();
d->computeT();
DEBUG_PRINT("new q after normalizing\n");
DEBUG_EXPR(q->display());
}
else
RuntimeException::selfThrow("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
/** At this step, we obtain
* \f[
* \begin{cases}
* v_{k,0} = \mbox{\tt vold} \\
* q_{k,0} = qold \\
* F_{k,+} = F(told,qold,vold) \\
* Work_{freefree} = M^{-1}_k (F^+_{k}) \mbox{stored in work_tdg} \\
* Work_{free} = M^{-1}_k (P^+_{2,k}+F^+_{k}) \mbox{stored in accFree} \\
* R_{free} = -h/2 * M^{-1}_k (P^+_{2,k}+F^+_{k}) \mbox{stored in ResiduFree} \\
* v_{k,1} = v_{k,0} + h * M^{-1}_k (P^+_{2,k}+F^+_{k}) \mbox{stored in v} \\
* q_{k,1} = q_{k,0} + \frac{h}{2} (v_{k,0} + v_{k,1}) \mbox{stored in q} \\
* \end{cases}
* \f]
**/
}
DEBUG_PRINT("\n DECIDE STRATEGY\n");
/** Decide of the strategy impact or smooth multiplier.
* Compute _isThereImpactInTheTimeStep
*/
_isThereImpactInTheTimeStep = false;
if (!allOSNS->empty())
{
for (unsigned int level = _simulation->levelMinForOutput();
level < _simulation->levelMaxForOutput(); level++)
{
_simulation->nonSmoothDynamicalSystem()->updateOutput(_simulation->nextTime(),level);
}
_simulation->updateIndexSets();
SP::Topology topo = _simulation->nonSmoothDynamicalSystem()->topology();
SP::InteractionsGraph indexSet3 = topo->indexSet(3);
if (indexSet3->size() > 0)
{
_isThereImpactInTheTimeStep = true;
DEBUG_PRINT("There is an impact in the step. indexSet3->size() > 0. _isThereImpactInTheTimeStep = true;\n");
}
else
{
_isThereImpactInTheTimeStep = false;
DEBUG_PRINT("There is no impact in the step. indexSet3->size() = 0. _isThereImpactInTheTimeStep = false;\n");
}
}
/* If _isThereImpactInTheTimeStep = true;
* we recompute residuFree by removing the contribution of the nonimpulsive contact forces.
* We add the contribution of the external forces at the end
* of the time--step
* If _isThereImpactInTheTimeStep = false;
* we recompute residuFree by adding the contribution of the external forces at the end
* and the contribution of the nonimpulsive contact forces that are computed by solving the osnsp.
*/
if (_isThereImpactInTheTimeStep)
{
DEBUG_PRINT("There is an impact in the step. indexSet3->size() > 0. _isThereImpactInTheTimeStep = true\n");
for (std11::tie(dsi, dsend) = _dynamicalSystemsGraph->vertices(); dsi != dsend; ++dsi)
{
if (!checkOSI(dsi)) continue;
SP::DynamicalSystem ds = _dynamicalSystemsGraph->bundle(*dsi);
// type of the current DS
Type::Siconos dsType = Type::value(*ds);
/* \warning the following conditional statement should be removed with a MechanicalDS class */
if ((dsType == Type::LagrangianDS) || (dsType == Type::LagrangianLinearTIDS))
{
SP::LagrangianDS d = std11::static_pointer_cast<LagrangianDS> (ds);
SP::SiconosVector residuFree = d->workspace(DynamicalSystem::freeresidu);
SP::SiconosVector v = d->velocity();
SP::SiconosVector q = d->q();
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0); // right limit
SP::SiconosMatrix M = d->mass(); // POINTER CONSTRUCTOR : contains mass matrix
//residuFree->zero();
//v->zero();
SP::SiconosVector work_tdg = d->workspace(DynamicalSystem::free_tdg);
assert(work_tdg);
*residuFree = - 0.5 * h**work_tdg;
d->computeMass();
DEBUG_EXPR(M->display());
if (d->forces())
{
d->computeForces(t, q, v);
*work_tdg = *(d->forces());
DEBUG_EXPR(d->forces()->display());
}
M->PLUForwardBackwardInPlace(*work_tdg); // contains right (left limit) acceleration without contact force
*residuFree -= 0.5 * h**work_tdg;
DEBUG_EXPR(residuFree->display());
}
else if (dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS d = std11::static_pointer_cast<NewtonEulerDS> (ds);
SP::SiconosVector residuFree = d->workspace(DynamicalSystem::freeresidu);
SP::SiconosVector v = d->velocity();
SP::SiconosVector q = d->q();
SP::SiconosVector qold = d->qMemory()->getSiconosVector(0);
SP::SiconosVector vold = d->velocityMemory()->getSiconosVector(0); // right limit
SP::SiconosMatrix M(new SimpleMatrix(*(d->mass()))); // we copy the mass matrix to avoid its factorization;
DEBUG_EXPR(M->display());
//residuFree->zero();
v->zero();
SP::SiconosVector work_tdg = d->workspace(DynamicalSystem::free_tdg);
assert(work_tdg);
*residuFree = 0.5 * h**work_tdg;
work_tdg->zero();
if (d->forces())
{
d->computeForces(t, q, v);
*work_tdg += *(d->forces());
}
M->PLUForwardBackwardInPlace(*work_tdg); // contains right (left limit) acceleration without contact force
*residuFree -= 0.5 * h**work_tdg;
DEBUG_EXPR(residuFree->display());
}
else
RuntimeException::selfThrow("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
}
}
else
{
DEBUG_PRINT("There is no impact in the step. indexSet3->size() = 0. _isThereImpactInTheTimeStep = false;\n");
// -- RIGHT SIDE --
// calculate acceleration without contact force
for (std11::tie(dsi, dsend) = _dynamicalSystemsGraph->vertices(); dsi != dsend; ++dsi)
{
if (!checkOSI(dsi)) continue;
SP::DynamicalSystem ds = _dynamicalSystemsGraph->bundle(*dsi);
// type of the current DS
Type::Siconos dsType = Type::value(*ds);
/* \warning the following conditional statement should be removed with a MechanicalDS class */
if ((dsType == Type::LagrangianDS) || (dsType == Type::LagrangianLinearTIDS))
{
SP::LagrangianDS d = std11::static_pointer_cast<LagrangianDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free); // POINTER CONSTRUCTOR : contains acceleration without contact force
accFree->zero();
// get right state from memory
SP::SiconosVector q = d->q(); // contains position q_{k+1}
SP::SiconosVector v = d->velocity(); // contains velocity v_{k+1}^- and not free velocity
SP::SiconosMatrix M = d->mass(); // POINTER CONSTRUCTOR : contains mass matrix
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(q->display());
DEBUG_EXPR(v->display());
// Lagrangian Nonlinear Systems
if (dsType == Type::LagrangianDS || dsType == Type::LagrangianLinearTIDS)
{
d->computeMass();
DEBUG_EXPR(M->display());
if (d->forces())
{
d->computeForces(t, q, v);
*accFree += *(d->forces());
}
}
else
RuntimeException::selfThrow
("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
M->PLUForwardBackwardInPlace(*accFree); // contains right (left limit) acceleration without contact force
DEBUG_PRINT("accFree contains left limit acceleration at t^-_{k+1} without contact force :\n");
DEBUG_EXPR(accFree->display());
}
else if (dsType == Type::NewtonEulerDS)
{
SP::NewtonEulerDS d = std11::static_pointer_cast<NewtonEulerDS> (ds);
SP::SiconosVector accFree = d->workspace(DynamicalSystem::free); // POINTER CONSTRUCTOR : contains acceleration without contact force
accFree->zero();
// get right state from memory
SP::SiconosVector q = d->q(); // contains position q_{k+1}
SP::SiconosVector v = d->velocity(); // contains velocity v_{k+1}^- and not free velocity
SP::SiconosMatrix M(new SimpleMatrix(*(d->mass()))); // we copy the mass matrix to avoid its factorization;
DEBUG_EXPR(accFree->display());
DEBUG_EXPR(q->display());
DEBUG_EXPR(v->display());
if (d->forces())
{
d->computeForces(t, q, v);
*accFree += *(d->forces());
}
M->PLUForwardBackwardInPlace(*accFree); // contains right (left limit) acceleration without contact force
DEBUG_PRINT("accFree contains left limit acceleration at t^-_{k+1} without contact force :\n");
DEBUG_EXPR(accFree->display());
}
else
RuntimeException::selfThrow("D1MinusLinearOSI::computeResidu - not yet implemented for Dynamical system type: " + dsType);
}
// solve a LCP at acceleration level only for contacts which have been active at the beginning of the time-step
if (!allOSNS->empty())
{
// for (unsigned int level = _simulation->levelMinForOutput(); level < _simulation->levelMaxForOutput(); level++)
// {
// _simulation->updateOutput(level);
// }
// _simulation->updateIndexSets();
DEBUG_PRINT("We compute lambda^-_{k+1} \n");
InteractionsGraph::VIterator ui, uiend;
SP::Interaction inter;
for (std11::tie(ui, uiend) = indexSet2->vertices(); ui != uiend; ++ui)
{
inter = indexSet2->bundle(*ui);
inter->relation()->computeJach(t, *inter, indexSet2->properties(*ui));
inter->relation()->computeJacg(t, *inter, indexSet2->properties(*ui));
}
if (_simulation->nonSmoothDynamicalSystem()->topology()->hasChanged())
{
for (OSNSIterator itOsns = allOSNS->begin(); itOsns != allOSNS->end(); ++itOsns)
{
(*itOsns)->setHasBeenUpdated(false);
}
}
if (((*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->hasInteractions()))
{
(*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->compute(t);
DEBUG_EXPR((*allOSNS)[SICONOS_OSNSP_TS_VELOCITY + 1]->display(););
_simulation->nonSmoothDynamicalSystem()->updateInput(_simulation->nextTime(),2);
}