/// <summary>
/// Converts one area load applied on a BarElement with a series of equivalent ConcentratedLoads
/// </summary>
/// <param name="element">The element.</param>
/// <param name="load">The load.</param>
/// <param name="cse">The cse.</param>
public static void AreaLoad2ConcentratedLoads(BarElement element, PartialNonUniformLoad load, LoadCase cse)
{
var n = 1000;
var d = element.EndNode.Location - element.StartNode.Location;
var l = d.Length;
for (var i = 0; i < n; i++)
{
var dx = l / n;
var x = i * dx + 0.5 * dx;
var cn = new ConcentratedLoad();
var xi = (2 * x - l) / l;
cn.ForceIsoLocation = new IsoPoint(xi, 0, 0);
var mag = load.GetMagnitudeAt(element, cn.ForceIsoLocation);
var f = load.Direction * mag * dx;
cn.Force = new Force(f, Vector.Zero);
cn.Case = cse;
cn.CoordinationSystem = load.CoordinationSystem;
if (mag != 0.0)
{
element.Loads.Add(cn);
}
}
}
public static void Run1()
{
double h = 5;
Node n1 = new Node(0, 0, 0);
Node n2 = new Node(h, 0, 0);
n1.Constraints = Constraints.Fixed;
var section = new UniformGeometric1DSection(SectionGenerator.GetRectangularSection(1, 0.5));
var material = UniformIsotropicMaterial.CreateFromYoungShear(205e9, 81e9);
BarElement e = new BarElement(n1, n2)
{
Section = section,
Material = material
};
e.Behavior = BarElementBehaviours.FullFrame;
var lc1 = new LoadCase("C1", LoadType.Dead);
var lc2 = new LoadCase("C2", LoadType.Live);
var lc3 = new LoadCase("C3", LoadType.Live);
var load = new UniformLoad()
{
Direction = Vector.FromXYZ(0, 0, -1),
CoordinationSystem = CoordinationSystem.Global,
Magnitude = 1,
Case = lc1
};
var load2 = new UniformLoad()
{
Direction = Vector.FromXYZ(1, 0, 0),
CoordinationSystem = CoordinationSystem.Global,
Magnitude = 10,
Case = lc2
};
var load3 = new ConcentratedLoad(new Force(0, 0, 0, 00, 10, 00), new IsoPoint(0.50), CoordinationSystem.Local);
load3.Case = lc3;
e.Loads.Add(load);
e.Loads.Add(load2);
e.Loads.Add(load3);
Model model = new Model();
model.Nodes.Add(n1);
model.Nodes.Add(n2);
model.Elements.Add(e);
model.Solve_MPC();
BarInternalForceVisualizer.VisualizeInNewWindow(e);
}
