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)); } }