private static void RunTest()
{
IReadOnlyList <Dictionary <int, double> > expectedDisplacements = GetExpectedDisplacements();
IncrementalDisplacementsLog computedDisplacements = SolveModel();
Assert.True(AreDisplacementsSame(expectedDisplacements, computedDisplacements, 1e-9));
}
private static void WriteDisplacementsToFile(IncrementalDisplacementsLog log1, Dictionary <int, int[]> watchDof, double load)
{
// Output
string pathName = Environment.GetFolderPath(Environment.SpecialFolder.Desktop);
string FileName = "ForcesDisplacementsData.txt";
string Extension = Path.GetExtension(FileName);
string fileNameOnly = Path.Combine(pathName, Path.GetFileNameWithoutExtension(FileName));
string File = string.Format("{0}{1}", fileNameOnly, Extension);
var append = false;
using (var writer = new StreamWriter(File, append))
{
writer.WriteLine(" IncrementalLoad IncrementalDisplacement");
writer.WriteLine(" ");
}
append = true;
for (int i = 0; i < log1.dofDisplacementsPerIter.Count; i++)
{
using (var writer = new StreamWriter(File, append)) // append mode to continue from previous increment
{
writer.WriteLine($" {load * (i + 1) / log1.dofDisplacementsPerIter.Count} {log1.dofDisplacementsPerIter[i][0][watchDof[0][0]]}");
}
}
}
private static void SolveModel()
{
var model = new Model();
model.SubdomainsDictionary.Add(subdomainID, new Subdomain(subdomainID));
var load = 850;
BuildCantileverModel(model, load);
// Solver
var solverBuilder = new SkylineSolver.Builder();
ISolver solver = solverBuilder.BuildSolver(model);
// Problem type
var provider = new ProblemStructural(model, solver);
// Analyzers
int increments = 10;
var childAnalyzerBuilder = new LoadControlAnalyzer.Builder(model, solver, provider, increments);
childAnalyzerBuilder.ResidualTolerance = 1E-5;
childAnalyzerBuilder.MaxIterationsPerIncrement = 100;
childAnalyzerBuilder.NumIterationsForMatrixRebuild = 1;
//childAnalyzerBuilder.SubdomainUpdaters = new[] { new NonLinearSubdomainUpdater(model.SubdomainsDictionary[subdomainID]) }; // This is the default
LoadControlAnalyzer childAnalyzer = childAnalyzerBuilder.Build();
var parentAnalyzer = new StaticAnalyzer(model, solver, provider, childAnalyzer);
// Setup displacements log
var watchDof = new Dictionary <int, int[]>();
//watchDof.Add(subdomainID, new int[1] { 46 });
watchDof.Add(subdomainID, new int[1] {
94
});
var log1 = new IncrementalDisplacementsLog(watchDof);
childAnalyzer.IncrementalDisplacementsLog = log1;
// Run the analysis
parentAnalyzer.Initialize();
parentAnalyzer.Solve();
// Write log data to file
WriteDisplacementsToFile(log1, watchDof, load);
}
private static IncrementalDisplacementsLog SolveModel()
{
//VectorExtensions.AssignTotalAffinityCount();
Model model = new Model();
model.SubdomainsDictionary.Add(subdomainID, new Subdomain(subdomainID));
BuildCantileverModel(model, 850);
// Solver
var solverBuilder = new SkylineSolver.Builder();
ISolver solver = solverBuilder.BuildSolver(model);
// Problem type
var provider = new ProblemStructural(model, solver);
// Analyzers
int increments = 2;
var childAnalyzerBuilder = new LoadControlAnalyzer.Builder(model, solver, provider, increments);
childAnalyzerBuilder.ResidualTolerance = 1E-8;
childAnalyzerBuilder.MaxIterationsPerIncrement = 100;
childAnalyzerBuilder.NumIterationsForMatrixRebuild = 1;
//childAnalyzerBuilder.SubdomainUpdaters = new[] { new NonLinearSubdomainUpdater(model.SubdomainsDictionary[subdomainID]) }; // This is the default
LoadControlAnalyzer childAnalyzer = childAnalyzerBuilder.Build();
var parentAnalyzer = new StaticAnalyzer(model, solver, provider, childAnalyzer);
// Output
var watchDofs = new Dictionary <int, int[]>();
watchDofs.Add(subdomainID, new int[5] {
0, 11, 23, 35, 47
});
var log1 = new IncrementalDisplacementsLog(watchDofs);
childAnalyzer.IncrementalDisplacementsLog = log1;
// Run the anlaysis
parentAnalyzer.Initialize();
parentAnalyzer.Solve();
return(log1);
}
private static bool AreDisplacementsSame(IReadOnlyList <Dictionary <int, double> > expectedDisplacements, IncrementalDisplacementsLog computedDisplacements, double tolerance)
{
var comparer = new ValueComparer(tolerance);
for (int iter = 0; iter < expectedDisplacements.Count; ++iter)
{
foreach (int dof in expectedDisplacements[iter].Keys)
{
if (!comparer.AreEqual(expectedDisplacements[iter][dof], computedDisplacements.GetTotalDisplacement(iter, subdomainID, dof)))
{
return(false);
}
}
}
return(true);
}
