/// <summary>
/// 计算法-圆形靶材密度
/// </summary>
/// <param name="item"></param>
/// <returns></returns>
public static TargetDensityResult GetDensityInCalculationWay(TargetDensityCalculationItem item)
{
//输入异常判断
TargetDensityResult result = new TargetDensityResult();
double averageOD = item.OD.Average();
double averageH = item.H.Average()-item.PaperThickness;
double v = Math.PI * averageOD * averageOD * averageH / 1000 / 4;
result.CalculateDensity = (item.TargetWeight-item.PaperWeight) / v;
result.RelativeDensity = result.CalculateDensity / item.TheoryDensity;
return result;
}
/// <summary>
/// 阿基米德法-各种形状靶材密度
/// </summary>
/// <param name="w1">空气中靶材重量</param>
/// <param name="w2">排水中靶材重量</param>
/// <param name="theoryDensity">靶材理论密度</param>
/// <returns>靶材密度计算结果</returns>
public static TargetDensityResult GetDensityInArchimedesWay(double w1, double w2, double theoryDensity=5)
{
if (w1<=0)
{
throw new ArgumentException("W1 must be bigger than 0");
}
if (w2<=0)
{
throw new ArgumentException("W2 must be bigger than 0");
}
if (theoryDensity<=0)
{
throw new ArgumentException("TheoryDensity must be bigger than 0");
}
if (w1<=w2)
{
throw new ArgumentException("W1 must be bigger than W2");
}
TargetDensityResult result = new TargetDensityResult();
double v = w1 - w2;
result.CalculateDensity = w1 / v;
result.RelativeDensity = result.CalculateDensity / theoryDensity;
return result;
}