Untitled

Imports System

Module TBeamMomentOfInertia
    Sub Main()
        ' T-beam dimensions
        Dim h As Double = 300 ' Overall height (mm)
        Dim b As Double = 200 ' Overall width (mm)
        Dim tf As Double = 20 ' Flange thickness (mm)
        Dim tw As Double = 10 ' Stem thickness (mm)

        ' Calculate moment of inertia
        Dim I1 As Double ' Moment of inertia of rectangular part (stem)
        Dim A1 As Double ' Area of rectangular part (stem)
        Dim d1 As Double ' Distance from centroid of rectangular part to centroidal axis
        Dim I2 As Double ' Moment of inertia of top flange
        Dim A2 As Double ' Area of top flange
        Dim d2 As Double ' Distance from centroid of top flange to centroidal axis
        Dim I As Double ' Moment of inertia of T-beam

        ' Moment of inertia of rectangular part (stem)
        I1 = (1 / 12) * b * tw ^ 3

        ' Area of rectangular part (stem)
        A1 = b * tw

        ' Distance from centroid of rectangular part to centroidal axis
        d1 = tw / 2

        ' Moment of inertia of top flange
        I2 = (1 / 12) * (b * tf ^ 3)

        ' Area of top flange
        A2 = b * tf

        ' Distance from centroid of top flange to centroidal axis
        d2 = h - tf / 2

        ' Calculate moment of inertia
        I = I1 + A1 * d1 ^ 2 + I2 + A2 * d2 ^ 2

        ' Display the result
        Console.WriteLine("Moment of Inertia (I) = " & I & " mm^4")
    End Sub
End Module
Imports System

Module UBeamMomentOfInertia
    Sub Main()
        ' U-beam dimensions
        Dim h As Double = 300 ' Overall height (mm)
        Dim b As Double = 200 ' Overall width (mm)
        Dim tf As Double = 20 ' Flange thickness (mm)
        Dim tw As Double = 10 ' Web thickness (mm)

        ' Calculate moment of inertia
        Dim I1 As Double ' Moment of inertia of top flange
        Dim A1 As Double ' Area of top flange
        Dim d1 As Double ' Distance from centroid of top flange to centroidal axis
        Dim I2 As Double ' Moment of inertia of bottom flange
        Dim A2 As Double ' Area of bottom flange
        Dim d2 As Double ' Distance from centroid of bottom flange to centroidal axis
        Dim I3 As Double ' Moment of inertia of web
        Dim A3 As Double ' Area of web
        Dim d3 As Double ' Distance from centroid of web to centroidal axis
        Dim I As Double ' Moment of inertia of U-beam

        ' Moment of inertia of top flange
        I1 = (1 / 12) * (b * tf ^ 3)

        ' Area of top flange
        A1 = b * tf

        ' Distance from centroid of top flange to centroidal axis
        d1 = h - tf / 2

        ' Moment of inertia of bottom flange
        I2 = (1 / 12) * (b * tf ^ 3)

        ' Area of bottom flange
        A2 = b * tf

        ' Distance from centroid of bottom flange to centroidal axis
        d2 = tf / 2

        ' Moment of inertia of web
        I3 = (1 / 12) * (tw * (h - 2 * tf) ^ 3)

        ' Area of web
        A3 = tw * (h - 2 * tf)

        ' Distance from centroid of web to centroidal axis
        d3 = (h - 2 * tf) / 2 + tf

        ' Calculate moment of inertia
        I = I1 + A1 * d1 ^ 2 + I2 + A2 * d2 ^ 2 + I3 + A3 * d3 ^ 2

        ' Display the result
        Console.WriteLine("Moment of Inertia (I) = " & I & " mm^4")
    End Sub
End Module
Imports System

Module LBeamMomentOfInertia
    Sub Main()
        ' L-beam dimensions
        Dim h As Double = 300 ' Overall height (mm)
        Dim b As Double = 200 ' Overall width (mm)
        Dim t As Double = 20 ' Thickness of the flanges and web (mm)

        ' Calculate moment of inertia
        Dim I1 As Double ' Moment of inertia of the flanges
        Dim A1 As Double ' Area of the flanges
        Dim d1 As Double ' Distance from centroid of the flanges to centroidal axis
        Dim I2 As Double ' Moment of inertia of the web
        Dim A2 As Double ' Area of the web
        Dim d2 As Double ' Distance from centroid of the web to centroidal axis
        Dim I As Double ' Moment of inertia of L-beam

        ' Moment of inertia of the flanges
        I1 = (1 / 12) * (t * b ^ 3)

        ' Area of the flanges
        A1 = 2 * t * b

        ' Distance from centroid of the flanges to centroidal axis
        d1 = h - t / 2

        ' Moment of inertia of the web
        I2 = (1 / 12) * (b * t ^ 3)

        ' Area of the web
        A2 = b * t

        ' Distance from centroid of the web to centroidal axis
        d2 = t / 2

        ' Calculate moment of inertia
        I = I1 + A1 * d1 ^ 2 + I2 + A2 * d2 ^ 2

        ' Display the result
        Console.WriteLine("Moment of Inertia (I) = " & I & " mm^4")
    End Sub
End Module
' I-beam dimensions
Dim h As Double = 300 ' Overall height (mm)
Dim b As Double = 200 ' Overall width (mm)
Dim tf As Double = 20 ' Flange thickness (mm)
Dim tw As Double = 10 ' Web thickness (mm)

' Calculate area of the I-beam cross-section
Dim A As Double ' Cross-sectional area of the I-beam

' Area of the top and bottom flanges
Dim A1 As Double = 2 * b * tf

' Area of the web
Dim A2 As Double = tw * (h - 2 * tf)

' Total cross-sectional area of the I-beam
A = A1 + A2

' Calculate moment of inertia (I) for the I-beam using a suitable formula
' ...

' Calculate radius of gyration (k)
Dim k As Double ' Radius of gyration

k = Math.Sqrt(I / A)

' Display the result
Console.WriteLine("Radius of Gyration (k) = " & k & " mm")