public void TestShapeNurbs2DValues()
{
var element = Element;
var nurbs2D = new SupportiveClasses.Nurbs2D(element, element.ControlPoints.ToArray());
for (var i = 0; i < 16; i++)
{
for (var j = 0; j < 16; j++)
{
Assert.True(Utilities.AreValuesEqual(_nurbsExpectedValues[i, j], nurbs2D.NurbsValues[i, j],
Tolerance));
}
}
}
public void TestShapeNurbs2DSecondDerivativeValuesKsiHeta()
{
var element = ShellElement;
var nurbs2D = new SupportiveClasses.Nurbs2D(element, element.ControlPoints.ToArray());
for (var i = 0; i < 12; i++)
{
for (var j = 0; j < 12; j++)
{
Assert.True(Utilities.AreValuesEqual(_nurbsSecondDerivativesKsiHetaExpectedValues[i, j], nurbs2D.NurbsSecondDerivativeValueKsiHeta[i, j],
Tolerance));
}
}
}
public void TestShapeNurbs2DPartitionOfUnity()
{
var element = Element;
var nurbs2D = new SupportiveClasses.Nurbs2D(element, element.ControlPoints.ToArray());
for (var p = 0; p < 16; p++)
{
var sum = 0.0;
for (var f = 0; f < nurbs2D.NurbsValues.NumRows; f++)
{
sum += nurbs2D.NurbsValues[f, p];
}
Assert.True(Utilities.AreValuesEqual(1.0, sum, Tolerance));
}
}
