protected override void SolveInstance(IGH_DataAccess DA)
{
// Declare a variable for the input
double e = 0;
double rho = 0;
double nu = 0;
double g = 0;
// Use the DA object to retrieve the data inside the first input parameter.
// If the retieval fails (for example if there is no data) we need to abort.
if (!DA.GetData(0, ref e))
{
return;
}
if (!DA.GetData(1, ref rho))
{
return;
}
if (!DA.GetData(0, ref nu))
{
return;
}
if (!DA.GetData(1, ref g))
{
return;
}
GH_ElasticMaterial material = new GH_ElasticMaterial(rho, e, nu, g);
DA.SetData(0, material);
}
public void Truss()
{
model = new GH_Model(ModelType.Full3D);
GH_CrossSection crossSection = new GH_RectangularCrossSection(100, 100);
GH_Material material = new GH_ElasticMaterial(100, 100, 100, 100);
Point3d p1 = new Point3d(-10, 0, 0);
Point3d p2 = new Point3d(0, 0, 0);
Point3d p3 = new Point3d(10, 0, 0);
Point3d p4 = new Point3d(-10, 0, 10);
Point3d p5 = new Point3d(0, 0, 10);
Point3d p6 = new Point3d(10, 0, 10);
model.Elements.Add(new GH_Beam(p1, p2, crossSection, material));
model.Elements.Add(new GH_Beam(p2, p3, crossSection, material));
model.Elements.Add(new GH_Beam(p4, p5, crossSection, material));
model.Elements.Add(new GH_Beam(p5, p6, crossSection, material));
model.Elements.Add(new GH_Beam(p1, p4, crossSection, material));
model.Elements.Add(new GH_Beam(p2, p5, crossSection, material));
model.Elements.Add(new GH_Beam(p3, p6, crossSection, material));
model.Elements.Add(new GH_Beam(p4, p2, crossSection, material));
model.Elements.Add(new GH_Beam(p2, p6, crossSection, material));
model.Supports.Add(new GH_NodeSupport(p1, true, true, true, true, true, true));
model.Supports.Add(new GH_NodeSupport(p3, true, true, true, true, true, true));
model.Loads.Add(new GH_NodalLoad(p5, new Vector3d(0, 0, -1000), new Vector3d(0, 0, 0)));
model.AssembleSharpModel();
Assert.AreEqual(9, model.Model.ElementCount);
model.Solve();
Assert.NotNull(model.Results);
Vector3d displacement = model.GetNodeDisplacement(1); //Displacement at point2 (index 1)
Assert.NotNull(displacement);
Assert.AreEqual(0.0, displacement.X, 0.001);
Assert.AreEqual(0.0, displacement.Y, 0.001);
Assert.AreNotEqual(0.0, displacement.Z); //TODO Calculate real value
}
public void Setup()
{
model = new GH_Model(ModelType.Full3D, new List <GH_Element>(), new List <GH_Load>(), new List <GH_Support>());
crossSection = new GH_RectangularCrossSection(0.5, 0.2);
material = new GH_ElasticMaterial(0, 2000, 0.1, 1000);
force = new Vector3d(10, 0, 0);
moment = new Vector3d(0, 0, 0);
point1 = new Point3d(0, 0, 0);
point2 = new Point3d(0, 0, 1);
point3 = new Point3d(1, 0, 1);
point4 = new Point3d(1, 0, 0);
beam1 = new GH_Beam(point1, point2, crossSection, material);
beam2 = new GH_Beam(point2, point3, crossSection, material);
beam3 = new GH_Beam(point3, point4, crossSection, material);
nodalLoad1 = new GH_NodalLoad(point2, force, moment);
nodeSupport1 = new GH_NodeSupport(point1, true, true, true, true, true, true);
nodeSupport2 = new GH_NodeSupport(point4, true, true, true, true, true, true);
}