protected void UpdateData()
{
this.area = t3 * tw + 2f * t2 * tf;
this.torsConst = (t3 * tw * tw * tw + 2f * t2 * tf * tf * tf) / 3f;
this.i33 = t3 * t3 * (t3 * tw + 6 * t2 * tf) / 12f;
this.i22 = t2 * t2 * t2 * tf / 6f;
// this.as2 = tf * t3 * 5f / 3f;
// this.as3 = t2 * tw;
// this.s33 = i33 / (t3 / 2);
// this.s22 = i22 / (t2 / 2);
// this.z33 = 0;
// this.z22 = 0;
// this.r33 = (float)Math.Sqrt(i33 / area);
// this.r22 = (float)Math.Sqrt(i22 / area);
}