private void tabPage5_Paint(object sender, PaintEventArgs e)
{
if (status5 == 1)
{
Graphics g = e.Graphics;
//z轴挠度
for (int i = 0; i <= 100; i++)
{
double x = a * i / 100.0;
myAverage[i] = -x;
}
for (int i = 101; i <= 400; i++)
{
double x = a * i / 100.0;
myAverage[i] = 1 / 3.0 * (x - 4 * a);
}
for (int i = 401; i <= 500; i++)
{
myAverage[i] = 0;
}
for (int i = 0; i <= 500; i++)
{
myMyAverage[i] = my[i] * myAverage[i];
}
double I = (pi * diameter1 * diameter1 * diameter1 * diameter1) / 64;
double bendingZ = (MyCalculate.DefiniteIntegral(myMyAverage, 0, 500) * a / 100) / (E * I);
g.DrawString("Δz= " + Math.Round(bendingZ * 1000, 3) + " mm", font1, brush1, 100, 100);
//y轴挠度
for (int i = 0; i <= 500; i++)
{
mzAverage[i] = myAverage[i];
mzMzAverage[i] = mz[i] * mzAverage[i];
}
double bendingY = (MyCalculate.DefiniteIntegral(mzMzAverage, 0, 500) * a / 100) / (E * I);
g.DrawString("Δy= " + Math.Round(bendingY * 1000, 3) + " mm", font1, brush1, 100, 140);
//总挠度
double bendingXY = Math.Sqrt(bendingZ * 1000 * bendingZ * 1000 + bendingY * 1000 * bendingY * 1000);
g.DrawString("Δ= " + Math.Round(bendingXY, 3) + " mm", font1, brush1, 100, 180);
}
}