Ejemplo n.º 1
0
        public static double WarpingConstant(this ISectionProfile profile)
        {
            if (profile.IsNull())
            {
                return(0);
            }

            double width  = profile.Width;
            double height = profile.Height;
            double tf     = profile.FlangeThickness;
            double tw     = profile.WebThickness;


            return(tf * Math.Pow(height - tf, 2) * Math.Pow(width, 3) / 24);
        }
Ejemplo n.º 2
0
        public static double TorsionalConstant(this ISectionProfile profile)
        {
            if (profile.IsNull())
            {
                return(0);
            }

            double b  = profile.Width;
            double h  = profile.Height;
            double tf = profile.FlangeThickness;
            double tw = profile.WebThickness;
            double r  = profile.RootRadius;

            double alpha = AlphaTJunction(tw, tf, r);
            double D     = InscribedDiameterTJunction(tw, tf, r);

            return((2 * b * Math.Pow(tf, 3) + (h - 2 * tf) * Math.Pow(tw, 3)) / 3 + 2 * alpha * Math.Pow(D, 4) - 0.42 * Math.Pow(tf, 4));
        }