private void btn_close_Click(object sender, EventArgs e)
{
Joints_Array = null;
Long_Girder_Members_Array = null;
Cross_Girder_Members_Array = null;
MemColls.Clear();
MemColls = null;
this.Close();
}
//Chiranjit [2011 07 09]
//Create Bridge Input Data by user's given values.
//Long Girder Spacing, Cross Girder Spacing, Cantilever Width
public void CreateData()
{
//double x_incr = (Length / (Total_Columns - 1));
//double z_incr = (WidthBridge / (Total_Rows - 1));
double x_incr = Spacing_Cross_Girder;
double z_incr = Spacing_Long_Girder;
JointNode nd;
//Joints_Array = new JointNode[Total_Rows, Total_Columns];
//Long_Girder_Members_Array = new Member[Total_Rows, Total_Columns - 1];
//Cross_Girder_Members_Array = new Member[Total_Rows - 1, Total_Columns];
int iCols = 0;
int iRows = 0;
Joints.Clear();
double skew_length = Math.Tan((Skew_Angle * (Math.PI / 180.0)));
double val1 = 12.1;
double val2 = val1 * skew_length;
double last_x = 0.0;
double last_z = 0.0;
List <double> list_x = new List <double>();
List <double> list_z = new List <double>();
Hashtable z_table = new Hashtable();
//Store Joint Coordinates
double L_2, L_4, eff_d;
double x_max, x_min;
//int _Columns, _Rows;
//_Columns = Total_Columns;
//_Rows = Total_Rows;
last_x = 0.0;
//Creating X Coordinates at every Z level
list_x.Clear();
list_x.Add(0.0);
list_x.Add(Effective_Depth);
list_x.Add(Length - Effective_Depth);
list_x.Add(Length / 4.0);
list_x.Add(Length / 2.0);
list_x.Add(Length);
last_x = x_incr;
do
{
if (!list_x.Contains(last_x) && last_x > Effective_Depth && last_x < (Length - Effective_Depth))
{
list_x.Add(last_x);
}
last_x += x_incr;
}while (last_x <= Length);
list_x.Sort();
list_z.Clear();
list_z.Add(0);
list_z.Add(WidthCantilever);
list_z.Add(WidthCantilever / 2);
list_z.Add(WidthBridge - WidthCantilever);
list_z.Add(WidthBridge - WidthCantilever / 2);
list_z.Add(WidthBridge);
last_z = WidthCantilever + z_incr;
do
{
if (!list_z.Contains(last_z) && last_z > WidthCantilever && last_z < (WidthBridge - WidthCantilever - 0.2))
{
list_z.Add(last_z);
}
last_z += z_incr;
} while (last_z <= WidthBridge);
list_z.Sort();
_Columns = list_x.Count;
_Rows = list_z.Count;
int i = 0;
List <double> list = new List <double>();
for (iRows = 0; iRows < _Rows; iRows++)
{
list = new List <double>();
for (iCols = 0; iCols < _Columns; iCols++)
{
list.Add(list_x[iCols] + list_z[iRows] * skew_length);
}
z_table.Add(list_z[iRows], list);
}
//Chiranjit [2011 07 11]
//Calculate L/2, L/4, Deff for Skew Angle
//for(i = 0; i < list_z.Count; i++)
//{
// list_x = z_table[list_z[i]] as List<double>;
// if (list_x != null)
// {
// list_x.Sort();
// //x_max = list_x[list_x.Count - 1] + (skew_length * list_z[i]);
// //x_min = list_x[0] + (skew_length * list_z[i]);
// x_max = list_x[list_x.Count - 1];
// x_min = list_x[0];
// if (i == 0)
// {
// span_length = (x_max - x_min);
// //Length = span_length;
// }
// L_2 = (x_max + x_min) / 2.0;
// L_4 = (L_2 + x_min) / 2.0;
// eff_d = (Effective_Depth + x_min);
// if (list_x.Contains(eff_d) == false)
// list_x.Add(eff_d);
// if (list_x.Contains(L_2) == false)
// list_x.Add(L_2);
// if (list_x.Contains(L_4) == false)
// list_x.Add(L_4);
// L_2 = (x_max + x_min) / 2.0;
// L_4 = x_max - L_4;
// eff_d = x_max - eff_d;
// if (list_x.Contains(eff_d) == false)
// list_x.Add(eff_d);
// if (list_x.Contains(L_2) == false)
// list_x.Add(L_2);
// if (list_x.Contains(L_4) == false)
// list_x.Add(L_4);
// list_x.Sort();
// //_Columns = list_x.Count;
// //_Rows = list_z.Count;
// z_table[list_z[i]] = list_x;
// }
//}
Joints_Array = new JointNode[_Rows, _Columns];
Long_Girder_Members_Array = new Member[_Rows, _Columns - 1];
Cross_Girder_Members_Array = new Member[_Rows - 1, _Columns];
for (iRows = 0; iRows < _Rows; iRows++)
{
list_x = z_table[list_z[iRows]] as List <double>;
for (iCols = 0; iCols < _Columns; iCols++)
{
nd = new JointNode();
nd.Y = 0;
nd.Z = list_z[iRows];
//nd.X = list_x[iCols] + (skew_length * list_z[iRows]);
nd.X = list_x[iCols];
nd.NodeNo = Joints.JointNodes.Count + 1;
Joints.Add(nd);
Joints_Array[iRows, iCols] = nd;
last_x = nd.X;
}
}
int nodeNo = 0;
Joints.Clear();
for (iCols = 0; iCols < _Columns; iCols++)
{
for (iRows = 0; iRows < _Rows; iRows++)
{
nodeNo++;
Joints_Array[iRows, iCols].NodeNo = nodeNo;
Joints.Add(Joints_Array[iRows, iCols]);
}
}
Member mem = new Member();
MemColls.Clear();
for (iCols = 0; iCols < _Columns; iCols++)
{
for (iRows = 1; iRows < _Rows; iRows++)
{
mem = new Member();
mem.StartNode = Joints_Array[iRows - 1, iCols];
mem.EndNode = Joints_Array[iRows, iCols];
mem.MemberNo = MemColls.Count + 1;
MemColls.Add(mem);
Cross_Girder_Members_Array[iRows - 1, iCols] = mem;
}
}
for (iRows = 0; iRows < _Rows; iRows++)
{
for (iCols = 1; iCols < _Columns; iCols++)
{
mem = new Member();
mem.StartNode = Joints_Array[iRows, iCols - 1];
mem.EndNode = Joints_Array[iRows, iCols];
mem.MemberNo = MemColls.Count + 1;
MemColls.Add(mem);
Long_Girder_Members_Array[iRows, iCols - 1] = mem;
}
}
}
