private void PointToPoint(ref MWPoint2D pi1, ref MWPoint2D pi2, ref MWPoint2D pj1, ref MWPoint2D pj2, int tol = 10)
{
double d11 = Points.Distance(pi1, pj1);
if (d11 < tol)
{
pi1 = pj1;
}
double d12 = Points.Distance(pi1, pj2);
if (d12 < tol)
{
pi1 = pj2;
}
double d21 = Points.Distance(pi2, pj1);
if (d21 < tol)
{
pi2 = pj1;
}
double d22 = Points.Distance(pi2, pj2);
if (d22 < tol)
{
pi2 = pj2;
}
}
public void TransformPoints()
{
MWPoint2D bary = this.GetBarycenter();
for (int i = 0; i < (PicSlabs?.Count ?? 0); i++)
{
PicSlabs[i] = PicSlabs[i].Select(p => new MWPoint2D(-(p.X - bary.X), (p.Y - bary.Y))).ToList();
}
foreach (var s in PicSlabs)
{
s.Reverse();
}
for (int i = 0; i < (PicWalls?.Count ?? 0); i++)
{
PicWalls[i] = PicWalls[i].Select(p => new MWPoint2D(-(p.X - bary.X), (p.Y - bary.Y))).ToList();
}
for (int i = 0; i < (PicColumns?.Count ?? 0); i++)
{
PicColumns[i] = PicColumns[i].Select(p => new MWPoint2D(-(p.X - bary.X), (p.Y - bary.Y))).ToList();
}
for (int i = 0; i < (PicOpenings?.Count ?? 0); i++)
{
PicOpenings[i] = PicOpenings[i].Select(p => new MWPoint2D(-(p.X - bary.X), (p.Y - bary.Y))).ToList();
}
}
public List <MWPoint2D> ExpandWall(MWPoint2D p1, MWPoint2D p2)
{
MWVector2D v = new MWVector2D(p2.X - p1.X, p2.Y - p1.Y);
v = v.Normalize();
MWVector2D n = new MWVector2D(-v.Y, v.X);
return(new List <MWPoint2D>()
{
new MWPoint2D(p1.X + this.WallThickness / 1e3 / 2 * (+n.X - v.X), p1.Y + this.WallThickness / 1e3 / 2 * (+n.Y - v.Y)),
new MWPoint2D(p1.X + this.WallThickness / 1e3 / 2 * (-n.X - v.X), p1.Y + this.WallThickness / 1e3 / 2 * (-n.Y - v.Y)),
new MWPoint2D(p2.X + this.WallThickness / 1e3 / 2 * (-n.X + v.X), p2.Y + this.WallThickness / 1e3 / 2 * (-n.Y + v.Y)),
new MWPoint2D(p2.X + this.WallThickness / 1e3 / 2 * (+n.X + v.X), p2.Y + this.WallThickness / 1e3 / 2 * (+n.Y + v.Y)),
});
}
private void PointToLine(ref MWPoint2D pi1, ref MWPoint2D pi2, ref MWPoint2D pj1, ref MWPoint2D pj2, int tol = 10)
{
double d1 = Points.DistancePointToLine(pj1, pj2, pi1, infinite: false);
if (d1 < tol)
{
pi1 = Points.PointProjOnLine(pj1, pj2, pi1);
}
double d2 = Points.DistancePointToLine(pj1, pj2, pi2, infinite: false);
if (d2 < tol)
{
pi2 = Points.PointProjOnLine(pj1, pj2, pi1);
}
}
public void ProcessColumns()
{
for (int i = 0; i < PicColumns?.Count; i++)
{
RotatedRect rect = CvInvoke.MinAreaRect(PicColumns[i].Select(p => new PointF((float)p.X, (float)p.Y)).ToArray());
var corners = rect.GetVertices().Select(p => new MWPoint2D(p.X, p.Y)).ToList();
double l1 = Points.Distance(corners[0], corners[1]);
double l2 = Points.Distance(corners[1], corners[2]);
List <MWPoint2D> newPoints = new List <MWPoint2D>();
MWPoint2D center = new MWPoint2D(0.5 * (corners[0].X + corners[2].X), 0.5 * (corners[0].Y + corners[2].Y));
ColumnDims cd;
MWVector2D v;
if (l1 > l2)
{
double ratio = l1 / l2;
cd = ColDims.Aggregate(ColDims[0], (closest, next) =>
Math.Abs(ratio - next.Ratio) < Math.Abs(ratio - closest.Ratio) ? next : closest);
v = new MWVector2D(corners[1].X - corners[0].X, corners[1].Y - corners[0].Y);
}
else
{
double ratio = l2 / l1;
cd = ColDims.Aggregate(ColDims[0], (closest, next) =>
Math.Abs(ratio - next.Ratio) < Math.Abs(ratio - closest.Ratio) ? next : closest);
v = new MWVector2D(corners[2].X - corners[1].X, corners[2].Y - corners[1].Y);
}
double L = Math.Max(cd.D1, cd.D2) / 1e3;
double W = Math.Min(cd.D1, cd.D2) / 1e3;
v = v.Normalize();
MWVector2D n = new MWVector2D(-v.Y, v.X);
newPoints.Add(new MWPoint2D(+0.5 * L * v.X + 0.5 * W * n.X, +0.5 * L * v.Y + 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(+0.5 * L * v.X - 0.5 * W * n.X, +0.5 * L * v.Y - 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(-0.5 * L * v.X - 0.5 * W * n.X, -0.5 * L * v.Y - 0.5 * W * n.Y));
newPoints.Add(new MWPoint2D(-0.5 * L * v.X + 0.5 * W * n.X, -0.5 * L * v.Y + 0.5 * W * n.Y));
Columns.Add(new Column()
{
RawCenter = center,
SectionPoints = newPoints
});
}
RescaleColumns();
}
public static List <MWPoint2D> OrderInDistance(List <MWPoint2D> pts)
{
List <MWPoint2D> lpts = pts;
MWPoint2D pt = lpts.First(p => p.X == lpts.Max(v => v.X));
List <MWPoint2D> res = new List <MWPoint2D> {
pt
};
lpts.Remove(pt);
while (lpts.Count > 0)
{
MWPoint2D p0 = lpts.Aggregate(lpts[0], (closest, next) =>
Points.Distance(res[res.Count - 1], next) < Points.Distance(res[res.Count - 1], closest) ? next : closest);
res.Add(p0);
lpts.Remove(p0);
}
return(res);
}
public void ProcessWalls()
{
for (int i = 0; i < PicWalls.Count; i++)
{
if (Points.Distance(PicWalls[i][0], PicWalls[i][1]) < 15)
{
PicWalls.RemoveAt(i);
i--;
}
}
for (int i = 0; i < PicWalls.Count; i++)
{
MWPoint2D pi1 = new MWPoint2D(PicWalls[i][0].X, PicWalls[i][0].Y);
MWPoint2D pi2 = new MWPoint2D(PicWalls[i][1].X, PicWalls[i][1].Y);
for (int j = 0; j < PicWalls.Count; j++)
{
if (j != i)
{
MWPoint2D pj1 = new MWPoint2D(PicWalls[j][0].X, PicWalls[j][0].Y);
MWPoint2D pj2 = new MWPoint2D(PicWalls[j][1].X, PicWalls[j][1].Y);
if (pj1.X == pj2.X && pj1.Y == pj2.Y)
{
break;
}
PointToLine(ref pi1, ref pi2, ref pj1, ref pj2);
PointToPoint(ref pi1, ref pi2, ref pj1, ref pj2);
PointToLine(ref pi1, ref pi2, ref pj1, ref pj2);
PointToPoint(ref pi1, ref pi2, ref pj1, ref pj2);
}
}
PicWalls[i][0] = new MWPoint2D(pi1.X, pi1.Y);
PicWalls[i][1] = new MWPoint2D(pi2.X, pi2.Y);
}
Walls = PicWalls.Select(w => new Wall()
{
RawPoints = w
}).ToList();
RescaleWalls();
}
public void Run(ref StructuralModel structure)
{
FEModel.Geometry geom = new FEModel.Geometry();
double H = structure.StoryHeight;
for (int i = 0; i < structure.NumStories; i++)
//for(int i = 0; i < 2; i++)
{
for (int j = 0; j < structure.Slabs.Count; j++)
{
List <MWPoint2D> pts = structure.Slabs[j].Points;
Shell s = new Shell(pts.Select(p => new MWPoint3D(p.X, p.Y, (i + 1) * H)).ToList(), structure.SlabThickness, ShellType.Slab);
s.Holes = structure.Openings.Select(o => o.Points.Select(p => new MWPoint3D(p.X, p.Y, (i + 1) * H)).ToList()).ToList();
geom.Shells.Add(s);
}
for (int j = 0; j < structure.Columns.Count; j++)
{
var col = structure.Columns[j];
MWPoint2D center = new MWPoint2D(0.5 * (col.Points[0].X + col.Points[2].X), 0.5 * (col.Points[0].Y + col.Points[2].Y));
List <MWPoint2D> secPts = col.Points.Select(p => new MWPoint2D(p.X - center.X, p.Y - center.Y)).ToList();
geom.Beams.Add(new Beam(new MWPoint3D(center.X, center.Y, i * structure.StoryHeight),
new MWPoint3D(center.X, center.Y, (i + 1) * structure.StoryHeight),
secPts));
}
for (int j = 0; j < structure.Walls.Count; j++)
{
List <MWPoint2D> wall = structure.Walls[j].Points;
List <MWPoint3D> wallPts = new List <MWPoint3D>()
{
new MWPoint3D(wall[0].X, wall[0].Y, i * structure.StoryHeight),
new MWPoint3D(wall[1].X, wall[1].Y, i * structure.StoryHeight),
new MWPoint3D(wall[1].X, wall[1].Y, (i + 1) * structure.StoryHeight),
new MWPoint3D(wall[0].X, wall[0].Y, (i + 1) * structure.StoryHeight),
};
geom.Shells.Add(new Shell(wallPts, structure.WallThickness, ShellType.Wall));
}
}
// Loads
FEModel.Loads loads = new Loads()
{
LL = structure.sLoad.LL,
SDL = structure.sLoad.SDL,
CLAD = structure.sLoad.CLAD
};
fem = new FEModel.FEModel(geom, loads);
Stopwatch sw = new Stopwatch();
sw.Start();
Results = fem.Analyze();
TimeSpan ts = sw.Elapsed;
Console.WriteLine("meshing time = {0}s", ts.TotalSeconds);
BuildMesh();
ts = sw.Elapsed;
Console.WriteLine("display time = {0}s", ts.TotalSeconds);
sw.Stop();
}