12 #include "Teuchos_DefaultComm.hpp"
14 #include "Tempus_config.hpp"
15 #include "Tempus_IntegratorBasic.hpp"
16 #include "Tempus_IntegratorAdjointSensitivity.hpp"
18 #include "Thyra_VectorStdOps.hpp"
19 #include "Thyra_MultiVectorStdOps.hpp"
21 #include "../TestModels/SinCosModel.hpp"
22 #include "../TestUtils/Tempus_ConvergenceTestUtils.hpp"
24 #include "Stratimikos_DefaultLinearSolverBuilder.hpp"
25 #include "Thyra_LinearOpWithSolveFactoryHelpers.hpp"
26 #include "Thyra_DefaultMultiVectorProductVector.hpp"
27 #include "Thyra_DefaultProductVector.hpp"
34 namespace Tempus_Test {
38 using Teuchos::sublist;
39 using Teuchos::getParametersFromXmlFile;
49 std::vector<double> StepSize;
50 std::vector<double> ErrorNorm;
51 const int nTimeStepSizes = 7;
57 Teuchos::fancyOStream(Teuchos::rcpFromRef(std::cout));
60 for (
int n=0; n<nTimeStepSizes; n++) {
64 getParametersFromXmlFile(
"Tempus_BackwardEuler_SinCos_ASA.xml");
79 sens_pl.
set(
"Mass Matrix Is Identity",
false);
82 interp_pl.
set(
"Interpolator Type",
"Lagrange");
83 interp_pl.
set(
"Order", 0);
86 pl->
sublist(
"Default Stepper").
set(
"Use FSAL",
false);
91 .
set(
"Initial Condition Consistency Check",
false);
94 pl->
sublist(
"Default Integrator")
95 .
sublist(
"Time Step Control").
set(
"Initial Time Step", dt);
97 Tempus::createIntegratorAdjointSensitivity<double>(pl, model, adjoint_model);
98 order = integrator->getStepper()->getOrder();
101 double t0 = pl->sublist(
"Default Integrator")
102 .sublist(
"Time Step Control").
get<
double>(
"Initial Time");
104 model->getExactSolution(t0).get_x();
105 const int num_param = model->get_p_space(0)->dim();
107 Thyra::createMembers(model->get_x_space(), num_param);
108 for (
int i=0; i<num_param; ++i)
109 Thyra::assign(DxDp0->col(i).
ptr(),
110 *(model->getExactSensSolution(i, t0).get_x()));
111 integrator->initializeSolutionHistory(t0, x0, Teuchos::null, Teuchos::null,
112 DxDp0, Teuchos::null, Teuchos::null);
115 bool integratorStatus = integrator->advanceTime();
119 double time = integrator->getTime();
120 double timeFinal =pl->sublist(
"Default Integrator")
121 .sublist(
"Time Step Control").
get<
double>(
"Final Time");
130 Thyra::createMembers(model->get_x_space(), num_param);
134 const int num_g = DgDp->domain()->dim();
135 for (
int i=0; i<num_g; ++i)
136 for (
int j=0; j<num_param; ++j)
137 dxdp_view(i,j) = dgdp_view(j,i);
140 model->getExactSolution(time).get_x();
142 Thyra::createMembers(model->get_x_space(), num_param);
143 for (
int i=0; i<num_param; ++i)
144 Thyra::assign(DxDp_exact->col(i).
ptr(),
145 *(model->getExactSensSolution(i, time).get_x()));
148 if (comm->getRank() == 0 && n == nTimeStepSizes-1) {
152 std::ofstream ftmp(
"Tempus_BackwardEuler_SinCos_AdjSens.dat");
154 integrator->getSolutionHistory();
155 for (
int i=0; i<solutionHistory->getNumStates(); i++) {
157 const double time_i = solutionState->getTime();
159 Teuchos::rcp_dynamic_cast<
const DPV>(solutionState->getX());
161 x_prod_plot->getVectorBlock(0);
163 Teuchos::rcp_dynamic_cast<
const DMVPV>(x_prod_plot->getVectorBlock(1));
165 adjoint_prod_plot->getMultiVector();
167 model->getExactSolution(time_i).get_x();
168 ftmp << std::fixed << std::setprecision(7)
170 << std::setw(11) << get_ele(*(x_plot), 0)
171 << std::setw(11) << get_ele(*(x_plot), 1)
172 << std::setw(11) << get_ele(*(adjoint_plot->col(0)), 0)
173 << std::setw(11) << get_ele(*(adjoint_plot->col(0)), 1)
174 << std::setw(11) << get_ele(*(adjoint_plot->col(1)), 0)
175 << std::setw(11) << get_ele(*(adjoint_plot->col(1)), 1)
176 << std::setw(11) << get_ele(*(x_exact_plot), 0)
177 << std::setw(11) << get_ele(*(x_exact_plot), 1)
186 Thyra::V_StVpStV(xdiff.
ptr(), 1.0, *x_exact, -1.0, *(x));
187 Thyra::V_VmV(DxDpdiff.
ptr(), *DxDp_exact, *DxDp);
188 StepSize.push_back(dt);
189 double L2norm = Thyra::norm_2(*xdiff);
192 Thyra::norms_2(*DxDpdiff, L2norm_DxDp());
193 for (
int i=0; i<num_param; ++i)
194 L2norm += L2norm_DxDp[i]*L2norm_DxDp[i];
195 L2norm = std::sqrt(L2norm);
196 ErrorNorm.push_back(L2norm);
204 double slope = computeLinearRegressionLogLog<double>(StepSize, ErrorNorm);
205 *my_out <<
" Stepper = BackwardEuler" << std::endl;
206 *my_out <<
" =========================" << std::endl;
207 *my_out <<
" Expected order: " << order << std::endl;
208 *my_out <<
" Observed order: " << slope << std::endl;
209 *my_out <<
" =========================" << std::endl;
213 if (comm->getRank() == 0) {
214 std::ofstream ftmp(
"Tempus_BackwardEuler_SinCos_AdjSens-Error.dat");
215 double error0 = 0.8*ErrorNorm[0];
216 for (
int n=0; n<nTimeStepSizes; n++) {
217 ftmp << StepSize[n] <<
" " << ErrorNorm[n] <<
" "
218 << error0*(StepSize[n]/StepSize[0]) << std::endl;
basic_FancyOStream & setProcRankAndSize(const int procRank, const int numProcs)
ParameterList & set(std::string const &name, T const &value, std::string const &docString="", RCP< const ParameterEntryValidator > const &validator=null)
#define TEST_FLOATING_EQUALITY(v1, v2, tol)
Sine-Cosine model problem from Rythmos. This is a canonical Sine-Cosine differential equation with a...
static Teuchos::RCP< const Comm< OrdinalType > > getComm()
TEUCHOS_UNIT_TEST(BackwardEuler, SinCos_ASA)
TEUCHOS_DEPRECATED RCP< T > rcp(T *p, Dealloc_T dealloc, bool owns_mem)
SolutionHistory is basically a container of SolutionStates. SolutionHistory maintains a collection of...
basic_FancyOStream & setOutputToRootOnly(const int rootRank)
ParameterList & sublist(const std::string &name, bool mustAlreadyExist=false, const std::string &docString="")
Solution state for integrators and steppers.