private void UpdataData()
{
float b = t2;
float h = t3;
float beta = 1f / 3f - 0.21f * (b / h) * (1 - b * b * b * b / (12f * h * h * h * h));
this.area = b * h; ;
this.torsConst = beta * h * b * b * b;
this.i22 = h * b * b * b / 12.0f;
this.i33 = b * h * h * h / 12.0f;
this.as3 = 5f * b * h / 6f;
this.as2 = 5f * b * h / 6f;
this.s22 = 2f * i22 / b;
this.s33 = 2f * i33 / h;
this.z22 = b * b * h * 0.25f;
this.z33 = b * h * h * 0.25f;
this.r22 = 0.2887f * b;
this.r33 = 0.2887f * h;
}