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43 
44 #ifndef OPFACTORY_BINARY_ADVDIFF_SUR_HPP
45 #define OPFACTORY_BINARY_ADVDIFF_SUR_HPP
46 
47 #include "ROL_Bounds.hpp"
48 #include "ROL_ScaledStdVector.hpp"
49 #include "ROL_Reduced_Objective_SimOpt.hpp"
50 #include "ROL_OptimizationProblemFactory.hpp"
51 
52 #include "../../TOOLS/pdeobjective.hpp"
53 #include "../../TOOLS/pdevector.hpp"
54 #include "objsum.hpp"
55 
56 template<class Real>
57 class BinaryAdvDiffFactory : public ROL::OptimizationProblemFactory<Real> {
58 private:
59   int dim_;
60 
61   mutable ROL::ParameterList pl_;
62   ROL::Ptr<const Teuchos::Comm<int>> comm_;
63   ROL::Ptr<std::ostream> os_;
64 
65   ROL::Ptr<FEMdata<Real>>        fem_;
66   ROL::Ptr<Assembler<Real>>      assembler_;
67   ROL::Ptr<ROL::Objective<Real>> penalty_, binary_;
68   ROL::Ptr<ROL::Vector<Real>>    z_;
69   ROL::Ptr<ROL::BoundConstraint<Real>> bnd_;
70 
71 public:
BinaryAdvDiffFactory(ROL::ParameterList & pl,const ROL::Ptr<const Teuchos::Comm<int>> & comm,const ROL::Ptr<std::ostream> & os)72   BinaryAdvDiffFactory(ROL::ParameterList                 &pl,
73                  const ROL::Ptr<const Teuchos::Comm<int>> &comm,
74                  const ROL::Ptr<std::ostream>             &os)
75     : pl_(pl), comm_(comm), os_(os) {
76     fem_        = ROL::makePtr<FEMdata<Real>>(comm,pl_,*os_);
77     assembler_  = fem_->getAssembler();
78 
79     std::string costType = pl_.sublist("Problem").get("Control Cost Type", "TV");
80     std::vector<ROL::Ptr<QoI<Real>>> qoi_pen(2,ROL::nullPtr);
81     if (costType=="TV") {
82       qoi_pen[0] = ROL::makePtr<QoI_TVControl_Cost_adv_diff<Real>>(fem_->getFE2(),pl_);
83     }
84     else if (costType=="L1") {
85       qoi_pen[0] = ROL::makePtr<QoI_Control_Cost_adv_diff<Real>>(fem_->getFE2(),pl_);
86     }
87     else {
88       qoi_pen[0] = ROL::makePtr<QoI_Control_Cost_L2_adv_diff<Real>>(fem_->getFE2(),pl_);
89     }
90     qoi_pen[1] = ROL::makePtr<QoI_IntegralityControl_Cost_adv_diff<Real>>(fem_->getFE2(),pl_);
91     penalty_ = ROL::makePtr<IntegralOptObjective<Real>>(qoi_pen[0],assembler_);
92     binary_  = ROL::makePtr<IntegralOptObjective<Real>>(qoi_pen[1],assembler_);
93     // Create template control vector
94     bool usePC = pl_.sublist("Problem").get("Piecewise Constant Controls", true);
95     if (usePC) {
96       int nx = pl_.sublist("Problem").get("Number of X-Cells", 4);
97       int ny = pl_.sublist("Problem").get("Number of Y-Cells", 2);
98       Real width  = pl_.sublist("Geometry").get("Width",  2.0);
99       Real height = pl_.sublist("Geometry").get("Height", 1.0);
100       Real vol = width/static_cast<Real>(nx) * height/static_cast<Real>(ny);
101       ROL::Ptr<std::vector<Real>> xvec, svec;
102       xvec = ROL::makePtr<std::vector<Real>>(nx*ny,0);
103       svec = ROL::makePtr<std::vector<Real>>(nx*ny,vol);
104       std::ifstream file;
105       std::stringstream name;
106       name << "control_" << nx << "_" << ny << ".txt";
107       file.open(name.str());
108       if (file.is_open()) {
109         for (int i = 0; i < nx; ++i) {
110           for (int j = 0; j < ny; ++j) {
111             file >> (*xvec)[i+j*nx];
112           }
113         }
114       }
115       file.close();
116       z_ = ROL::makePtr<ROL::PrimalScaledStdVector<Real>>(xvec,svec);
117     }
118     else {
119       z_ = fem_->createControlVector(pl_);
120     }
121     // Create bound constraint
122     ROL::Ptr<ROL::Vector<Real>> zlop = z_->clone(), zhip = z_->clone();
123     zlop->setScalar(static_cast<Real>(0));
124     zhip->setScalar(static_cast<Real>(1));
125     bnd_ = ROL::makePtr<ROL::Bounds<Real>>(zlop,zhip);
126   }
127 
update(void)128   void update(void) {}
129 
buildObjective(void)130   ROL::Ptr<ROL::Objective<Real>> buildObjective(void) {
131     return ROL::makePtr<Sum_Objective<Real>>(fem_,penalty_,binary_,pl_,os_,true);
132   }
133 
buildSolutionVector(void)134   ROL::Ptr<ROL::Vector<Real>> buildSolutionVector(void) {
135     ROL::Ptr<ROL::Vector<Real>> z = z_->clone(); z->set(*z_);
136     return z;
137   }
138 
buildBoundConstraint(void)139   ROL::Ptr<ROL::BoundConstraint<Real>> buildBoundConstraint(void) {
140     return bnd_;
141     //ROL::Ptr<ROL::Vector<Real>> zlop = z_->clone(), zhip = z_->clone();
142     //zlop->setScalar(static_cast<Real>(0));
143     //zhip->setScalar(static_cast<Real>(1));
144     //return ROL::makePtr<ROL::Bounds<Real>>(zlop,zhip);
145     //return ROL::nullPtr;
146   }
147 
buildEqualityConstraint(void)148   ROL::Ptr<ROL::Constraint<Real>> buildEqualityConstraint(void) {
149     return ROL::nullPtr;
150   }
151 
buildEqualityMultiplier(void)152   ROL::Ptr<ROL::Vector<Real>> buildEqualityMultiplier(void) {
153     return ROL::nullPtr;
154   }
155 
buildInequalityConstraint(void)156   ROL::Ptr<ROL::Constraint<Real>> buildInequalityConstraint(void) {
157     return ROL::nullPtr;
158   }
159 
buildInequalityMultiplier(void)160   ROL::Ptr<ROL::Vector<Real>> buildInequalityMultiplier(void) {
161     return ROL::nullPtr;
162   }
163 
buildInequalityBoundConstraint(void)164   ROL::Ptr<ROL::BoundConstraint<Real>> buildInequalityBoundConstraint(void) {
165     return ROL::nullPtr;
166   }
167 
getState(ROL::Ptr<ROL::Vector<Real>> & u,const ROL::Ptr<ROL::Vector<Real>> & z) const168   void getState(ROL::Ptr<ROL::Vector<Real>> &u, const ROL::Ptr<ROL::Vector<Real>> &z) const {
169     u = fem_->createStateVector(pl_);
170     Misfit_Objective<Real> obj(fem_,pl_);
171     obj.solvePDE(*u,*z);
172   }
173 
getAssembler(void) const174   ROL::Ptr<Assembler<Real>> getAssembler(void) const {
175     return assembler_;
176   }
177 
print(std::ostream & stream=std::cout)178   void print(std::ostream &stream = std::cout) {
179     assembler_->printMeshData(stream);
180   }
181 
check(std::ostream & stream=std::cout)182   void check(std::ostream &stream = std::cout) {
183     ROL::Ptr<ROL::Vector<Real>> z1 = z_->clone(); z1->randomize();
184     ROL::Ptr<ROL::Vector<Real>> z2 = z_->clone(); z2->randomize();
185     penalty_->checkGradient(*z1,*z2,true,stream);
186     penalty_->checkHessVec(*z1,*z2,true,stream);
187     binary_->checkGradient(*z1,*z2,true,stream);
188     binary_->checkHessVec(*z1,*z2,true,stream);
189     Misfit_Objective<Real> obj(fem_,pl_);
190     obj.checkGradient(*z1,*z2,true,stream);
191     obj.checkHessVec(*z1,*z2,true,stream);
192   }
193 };
194 
195 #endif
196