using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Pdov (Tube) = " + CalculatePDovTube(1, 2, 3, 4, 5, 6));

    }

    static double CalculatePDovTube(double wallThickness, double outerDiameter, double sigmaDov, double fi, double pressure, double radius)

    {

        //var material = Materials[pipeElement.MaterialId];

        var s = wallThickness;

        var c = 0.125 * s + 0.1;

        var Da = outerDiameter;

        var K = 1;

​

        var pDov = (2 * (s - c) * fi * sigmaDov) / (K * Da - (s - c)); // NTD ASI Sekce 3 2018, vztah 5.18

​

        return pDov;

    }

}