public void CreateNumericSolutionTest()
{
using (DbSolutionContext db = new DbSolutionContext())
{
double min = 0;
double max = 1;
int N = 100;
Type solverType = typeof(DiffusionCrankNicolsonCylindricScheme1D);
var grid = db.CreateGrid(min, max, N);
var physicalData = new { x = 0, y = 0, z = 0 };
var solution = db.CreateNumericSolution(grid, physicalData, solverType);
Assert.IsNotNull(solution);
Assert.AreEqual(false, solution.IsExact);
Assert.AreEqual(false, solution.IsTimeDependent);
Assert.AreEqual(0, solution.dt);
Assert.AreEqual(0, solution.Nt);
Assert.AreEqual(0, solution.tCurrent);
Assert.AreEqual(JsonConvert.SerializeObject(physicalData), solution.PhysicalData);
Assert.AreEqual(solverType.ToString(), solution.SolverType);
Assert.AreEqual(null, solution.StartedAt);
Assert.AreEqual(SolutionState.None, solution.State);
}
}
public void AddLayerToSolutionTest()
{
using (DbSolutionContext db = new DbSolutionContext())
{
double min = 0;
double max = 1;
int N = 100;
double dt = 0.01;
var grid = db.CreateGrid(min, max, N);
var physicalData = new { x = 0, y = 0, z = 0 };
var solution = db.CreateExactTimeDependentSolution(grid, physicalData, dt);
solution.Start();
int n = 100;
int m = 10;
for (int i = 0; i < n; i++)
{
solution.NextTime();
}
Assert.AreEqual(dt, solution.dt);
Assert.AreEqual(n, solution.Nt);
Assert.AreEqual(n * dt, solution.tCurrent);
var layers = db.GetSeparatedLayers((int)solution.Key, m);
Assert.IsNotNull(layers);
Assert.AreEqual(m, layers.Count);
for (int i = 0; i < m; i++)
{
Assert.AreEqual(layers[i].nt, i * (n / m));
}
}
}
public void CreateExactTimeDependentSolutionTest()
{
using (DbSolutionContext db = new DbSolutionContext())
{
double min = 0;
double max = 1;
int N = 100;
double dt = 0.01;
var grid = db.CreateGrid(min, max, N);
var physicalData = new { x = 0, y = 0, z = 0 };
var solution = db.CreateExactTimeDependentSolution(grid, physicalData, dt);
Assert.IsNotNull(solution);
Assert.AreEqual(true, solution.IsExact);
Assert.AreEqual(true, solution.IsTimeDependent);
Assert.AreEqual(dt, solution.dt);
Assert.AreEqual(0, solution.Nt);
Assert.AreEqual(0, solution.tCurrent);
Assert.AreEqual(JsonConvert.SerializeObject(physicalData), solution.PhysicalData);
Assert.AreEqual(null, solution.SolverType);
Assert.AreEqual(null, solution.StartedAt);
Assert.AreEqual(SolutionState.None, solution.State);
solution.Start();
Assert.AreEqual(SolutionState.InProcess, solution.State);
solution.NextTime();
Assert.AreEqual(dt, solution.dt);
Assert.AreEqual(1, solution.Nt);
Assert.AreEqual(dt, solution.tCurrent);
}
}
public void CreateGridTest()
{
using (DbSolutionContext db = new DbSolutionContext())
{
double min = 0;
double max = 1;
int N = 100;
double h = 0.01;
string name = string.Format(DbGrid1D.NameFormat, min, max, N);
db.CreateGrid(min, max, N);
var grid = db.GetGrid(name);
Assert.IsNotNull(grid);
Assert.AreEqual(min, grid.Min);
Assert.AreEqual(max, grid.Max);
Assert.AreEqual(h, grid.h);
Assert.AreEqual(N, grid.N);
Assert.AreEqual(name, ((DbGrid1D)grid).Name);
}
}