Interface IExplicitStressStrainCurve

A type of IStressStrainCurve defined by a list of IStressStrainPoints.

Inherited Members

Namespace: Oasys.AdSec.Materials.StressStrainCurves

Assembly: AdSec_API_IDL.dll

Syntax

public interface IExplicitStressStrainCurve : IStressStrainCurve

Examples

C#
Python

using Oasys.AdSec.Materials;
using Oasys.AdSec.Materials.StressStrainCurves;
using OasysUnits;

// Create an explicit curve and add stress-strain points.
IExplicitStressStrainCurve explicitCurve = IExplicitStressStrainCurve.Create();
explicitCurve.Points.Add(IStressStrainPoint.Create(Pressure.FromMegapascals(0.0), Strain.FromRatio(0.0)));
explicitCurve.Points.Add(IStressStrainPoint.Create(Pressure.FromMegapascals(30.0), Strain.FromRatio(0.001)));
explicitCurve.Points.Add(IStressStrainPoint.Create(Pressure.FromMegapascals(50.0), Strain.FromRatio(0.003)));

// Create a custom concrete with the explicit curve.
ITensionCompressionCurve ulsCurve = ITensionCompressionCurve.Create(explicitCurve, explicitCurve);
ITensionCompressionCurve slsCurve = ITensionCompressionCurve.Create(explicitCurve, explicitCurve);
IConcrete concrete = IConcrete.Create(ulsCurve, slsCurve);

Example creating a material with explicit curves.

import oasys.adsec
from OasysUnits import Pressure, Strain
from OasysUnits.Units import PressureUnit, StrainUnit
from Oasys.AdSec.Materials import IConcrete
from Oasys.AdSec.Materials.StressStrainCurves import (
IExplicitStressStrainCurve,
IStressStrainPoint,
ITensionCompressionCurve,
)

# Create an explicit curve and add stress-strain points.
explicitCurve = IExplicitStressStrainCurve.Create()
explicitCurve.Points.Add(
IStressStrainPoint.Create(
   Pressure(float(0), PressureUnit.Megapascal), Strain(float(0), StrainUnit.Ratio)
)
)
explicitCurve.Points.Add(
IStressStrainPoint.Create(
   Pressure(float(30), PressureUnit.Megapascal),
   Strain(float(0.001), StrainUnit.Ratio),
)
)
explicitCurve.Points.Add(
IStressStrainPoint.Create(
   Pressure(float(50), PressureUnit.Megapascal),
   Strain(float(0.003), StrainUnit.Ratio),
)
)

# Create a custom concrete with the explicit curve.
ulsCurve = ITensionCompressionCurve.Create(explicitCurve, explicitCurve)
slsCurve = ITensionCompressionCurve.Create(explicitCurve, explicitCurve)
concrete = IConcrete.Create(ulsCurve, slsCurve)

Example creating a material with explicit curves.

Properties

Points

The stress-strain points.

Declaration

IList<IStressStrainPoint> Points { get; set; }

Property Value

Type	Description
IList<IStressStrainPoint>

Exceptions

Type	Condition
System.ArgumentException	When the first point in the stress-strain points list is not a zero stress and zero strain point.
System.ArgumentException	When the points in the stress-strain points list are not in the ascending order of the strains.
System.ArgumentException	When the stress-strain points list has fewer than two points.
System.ArgumentException	When any of the stress-strain inputs is negative or infinite.

Methods

Create()

Creates a new IExplicitStressStrainCurve.

Declaration

static IExplicitStressStrainCurve Create()

Returns

Type	Description
IExplicitStressStrainCurve	Explicit curve with empty list of stress-strain points (Points).