ALTADataSet.AddStressDefinition

Sets a new stress definition(column) to be used.

Declaration

AddStressDefinition( ByVal Name As String, Optional ByVal StressRelation As ALTASolverLSR = ALTASolverLSR.Exponential, Optional ByVal, UseStress As Double = 1)

Adds a stress definition (column). The number of stresses in subsequent calls to AddFailure, AddSuspension etc. must be equal to the number of stress definitions in the data set.

Parameters

Name The name of the new stress definition

StressRelation The relation to set the new stress definition

UseStress The Use stress level

Usage Example

Declare the ALTADataSet. See New ALTADataSet for additional details.

       Dim ALTADS as New ALTADataSet

Declare an ALTAStressProfile. See ALTAStressProfile for additional details.

       Dim sp = New ALTAStressProfile("Profile1")
       sp.RepeatCycle = True
       sp.AddSegment(1, 250)
       sp.AddSegment(2, 300)
       sp.AddSegment(3, 400)

Add the stress profile

       ALTADS.AddStressProfile(sp)

Get the number of stresses. In this example, NumOfStresses will be 1.

       Dim NumOfStresses as Integer
       NumOfStresses = ALTADS.NumStresses

Add values to the raw data. See AddFailure for additional details.]

       ALTADS.AddFailure(1, 1, sp)
       ALTADS.AddFailure(2, 1, sp)
       ALTADS.AddFailure(3, 1, sp)

Add a new stress definition.

       ALTADS.AddStressDefinition("NewStress1")

Add values to the raw data. With the addition of "NewStress1", AddFailure now requires an additional stress.

       Dim sp2 = New ALTAStressProfile("Profile1")
       sp2.RepeatCycle = True
       sp2.AddSegment(4, 100)
       sp2.AddSegment(5, 200)
       sp2.AddSegment(6, 300)
       ALTADS.AddFailure(4, 1, sp, sp2)
       ALTADS.AddFailure(5, 1, sp, sp2)
       ALTADS.AddFailure(6, 1, sp, sp2)