37 lines
1.1 KiB
C#
37 lines
1.1 KiB
C#
using StructureHelperCommon.Infrastructures.Exceptions;
|
|
using StructureHelperCommon.Infrastructures.Strings;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using System.Text;
|
|
using System.Threading.Tasks;
|
|
|
|
namespace StructureHelperLogics.NdmCalculations.Buckling
|
|
{
|
|
public class DeltaELogicSP63 : IConcreteDeltaELogic
|
|
{
|
|
const double deltaEMin = 0.15d;
|
|
const double deltaEMax = 1.5d;
|
|
|
|
readonly double eccentricity;
|
|
readonly double size;
|
|
public DeltaELogicSP63(double eccentricity, double size)
|
|
{
|
|
if (size <= 0 )
|
|
{
|
|
throw new StructureHelperException(ErrorStrings.SizeMustBeGreaterThanZero + $", actual size: {size}");
|
|
}
|
|
this.eccentricity = eccentricity;
|
|
this.size = size;
|
|
}
|
|
|
|
public double GetDeltaE()
|
|
{
|
|
var deltaE = Math.Abs(eccentricity) / size;
|
|
deltaE = Math.Max(deltaE, deltaEMin);
|
|
deltaE = Math.Min(deltaE, deltaEMax);
|
|
return deltaE;
|
|
}
|
|
}
|
|
}
|