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
}
protected override void SolveInstance(IGH_DataAccess DA)
{
List<GH_Element> elements = new List<GH_Element>();
List<GH_Support> supports = new List<GH_Support>();
List<GH_Load> loads = new List<GH_Load>();
int modelType = 0;
if (!DA.GetDataList<GH_Element>(0, elements))
{
return;
}
if (!DA.GetDataList<GH_Support>(1, supports))
{
return;
}
if (!DA.GetDataList<GH_Load>(2, loads))
{
return;
}
if (!DA.GetData(3, ref modelType))
{
return;
}
//Clear current structure... Perhaps change this for a more parametric approach, or opening existing files
GH_Model model = null;
switch (modelType)
{
case 0:
model = new GH_Model(ModelType.Truss2D);
break;
case 1:
model = new GH_Model(ModelType.Full3D);
break;
default:
throw new Exception("Model type does not exist or not yet implemented");
}
model.Elements = elements;
model.Loads = loads;
model.Supports = supports;
model.AssembleSharpModel();
DA.SetData(0, model);
}
