public static double BeamArea(double bft, double tft, double D, double tw, double bfb, double tfb)
{
Atf = NCProperties.PartArea(bft, tft);
Aweb = NCProperties.PartArea(D, tw);
Abf = NCProperties.PartArea(bfb, tfb);
area = Atf + Aweb + Abf;
return(area);
}
public static double NeutralAxis(double bft, double tft, double D, double tw, double bfb, double tfb)
{
Atf = NCProperties.PartArea(bft, tft);
Aweb = NCProperties.PartArea(D, tw);
Abf = NCProperties.PartArea(bfb, tfb);
Ytf = NCProperties.PartCG(tfb, D, tft);
Yweb = NCProperties.PartCG(tfb, 0, D);
Ybf = NCProperties.PartCG(0, 0, tfb);
NA = (Atf * Ytf + Aweb * Yweb + Abf * Ybf) / (Atf + Aweb + Abf);
return(NA);
}
public static double MomentOfIneria(double bft, double tft, double D, double tw, double bfb, double tfb)
{
Atf = NCProperties.PartArea(bft, tft);
Aweb = NCProperties.PartArea(D, tw);
Abf = NCProperties.PartArea(bfb, tfb);
Ytf = NCProperties.PartCG(tfb, D, tft);
Yweb = NCProperties.PartCG(tfb, 0, D);
Ybf = NCProperties.PartCG(0, 0, tfb);
NA = NCProperties.NeutralAxis(bft, tft, D, tw, bfb, tfb);
Itf = NCProperties.PartMomOfInert(bft, tft);
Iweb = NCProperties.PartMomOfInert(tw, D);
Ibf = NCProperties.PartMomOfInert(bfb, tfb);
I = Itf + Atf * Math.Pow(Ytf - NA, 2) + Iweb + Aweb * Math.Pow(Yweb - NA, 2) + Ibf + Abf * Math.Pow(Ybf - NA, 2);
return(I);
}