public BoundaryCondition(Node n, bcType t, double displacement)
{
this.displacement = displacement;
this.node = n;
if (t == bcType.xDisplacement)
{
this.index = n.u_index;
this.type = "dx=" + this.displacement.ToString();
}
if (t == bcType.yDisplacement)
{
this.index = n.v_index;
this.type = "dy=" + this.displacement.ToString();
}
if (t == bcType.zDisplacement)
{
this.index = n.w_index;
this.type = "dz=" + this.displacement.ToString();
}
BoundaryCondition.all.Add(this);
}
public void addBC(double x, double y, bcType t)
{
Node n = Node.getNode(x, y);
if (t == bcType.fix)
{
new BoundaryCondition(n, bcType.xDisplacement, 0);
new BoundaryCondition(n, bcType.yDisplacement, 0);
new BoundaryCondition(n, bcType.zDisplacement, 0);
}
if (t == bcType.rollerX)
{
new BoundaryCondition(n, bcType.yDisplacement, 0);
}
if (t == bcType.rollerY)
{
new BoundaryCondition(n, bcType.xDisplacement, 0);
}
if (t == bcType.pin)
{
new BoundaryCondition(n, bcType.xDisplacement, 0);
new BoundaryCondition(n, bcType.yDisplacement, 0);
}
}
// create boundary conditions
public void addBC(double x, double y, bcType t, double displacement)
{
Node n = Node.getNode(x, y);
new BoundaryCondition(n, t, displacement);
}
public inputTxtReader(string fileName, Problem p)
{
string[] lines = System.IO.File.ReadAllLines(fileName);
string line;
string[] pars;
for (int i = 0; i < lines.Length; i++)
{
line = lines[i];
// ignore blank lines
if (line == "")
{
line = "#\n";
}
// ignore lines starting with #
if (line[0] != '#')
{
line = line.Substring(0, line.Length - 1).Replace(" ", string.Empty); //remove last ( and spaces
// debug mode
if (line.Substring(0, 6) == "debug(")
{
line = line.Substring(6);
if (line == "false")
{
p.debug = false;
}
else
{
p.debug = true;
}
line = "###############";
}
// add element
if (line.Substring(0, 11) == "addElement(")
{
line = line.Substring(11);
pars = line.Split(',');
if (pars[0] == "frame")
{
p.addElement(pars[0], double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture),
double.Parse(pars[3], CultureInfo.InvariantCulture), double.Parse(pars[4], CultureInfo.InvariantCulture), double.Parse(pars[5], CultureInfo.InvariantCulture),
double.Parse(pars[6], CultureInfo.InvariantCulture), double.Parse(pars[7], CultureInfo.InvariantCulture));
}
if (pars[0] == "truss")
{
p.addElement(pars[0], double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture),
double.Parse(pars[3], CultureInfo.InvariantCulture), double.Parse(pars[4], CultureInfo.InvariantCulture), double.Parse(pars[5], CultureInfo.InvariantCulture),
double.Parse(pars[6], CultureInfo.InvariantCulture));
}
if (pars[0] == "spring")
{
p.addElement(pars[0], double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture),
double.Parse(pars[3], CultureInfo.InvariantCulture), double.Parse(pars[4], CultureInfo.InvariantCulture), double.Parse(pars[5], CultureInfo.InvariantCulture));
}
line = "###############";
}
// add BC
if (line.Substring(0, 6) == "addBC(")
{
line = line.Substring(6);
pars = line.Split(',');
bcType t = bcType.fix;
double value = 0.0;
if (pars[2] == "fix")
{
t = bcType.fix;
}
if (pars[2] == "rollerX")
{
t = bcType.rollerX;
}
if (pars[2] == "rollerY")
{
t = bcType.rollerY;
}
if (pars[2] == "pin")
{
t = bcType.pin;
}
if (pars[2] == "xDisplacement")
{
t = bcType.xDisplacement; value = double.Parse(pars[3], CultureInfo.InvariantCulture);
}
if (pars[2] == "yDisplacement")
{
t = bcType.yDisplacement; value = double.Parse(pars[3], CultureInfo.InvariantCulture);
}
if (pars[2] == "zDisplacement")
{
t = bcType.zDisplacement; value = double.Parse(pars[3], CultureInfo.InvariantCulture);
}
if (pars.Length == 3)
{
p.addBC(double.Parse(pars[0], CultureInfo.InvariantCulture), double.Parse(pars[1], CultureInfo.InvariantCulture), t);
}
if (pars.Length == 4)
{
p.addBC(double.Parse(pars[0], CultureInfo.InvariantCulture), double.Parse(pars[1], CultureInfo.InvariantCulture), t, value);
}
line = "###############";
}
// add forces
if (line.Substring(0, 9) == "addForce(")
{
line = line.Substring(9);
pars = line.Split(',');
bool rad = false;
if (pars[pars.Length - 1] == "false")
{
rad = false;
}
else
{
rad = true;
}
if (pars.Length == 5) // concentrated force
{
p.addForce(double.Parse(pars[0], CultureInfo.InvariantCulture), double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture), double.Parse(pars[3], CultureInfo.InvariantCulture), rad);
}
if (pars.Length == 9) // distributed force
{
p.addForce(double.Parse(pars[0], CultureInfo.InvariantCulture), double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture),
double.Parse(pars[3], CultureInfo.InvariantCulture), double.Parse(pars[4], CultureInfo.InvariantCulture), double.Parse(pars[5], CultureInfo.InvariantCulture),
double.Parse(pars[6], CultureInfo.InvariantCulture), double.Parse(pars[7], CultureInfo.InvariantCulture), rad);
}
line = "###############";
}
if (line.Substring(0, 10) == "addMoment(")
{
line = line.Substring(10);
pars = line.Split(',');
p.addMoment(double.Parse(pars[0], CultureInfo.InvariantCulture), double.Parse(pars[1], CultureInfo.InvariantCulture), double.Parse(pars[2], CultureInfo.InvariantCulture));
line = "###############";
}
}
}
}