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CST MWS自定义激励源问题
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[建模]
CST MWS自定义激励源问题
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jellyfancy
UID :66914
注册:
2010-09-25
登录:
2021-04-26
发帖:
459
等级:
积极交流四级
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发表于: 2011-03-15 17:50:01
关键词:
CST
设置
激励
遇到一个问题,自己定义的激励源与画出的图形都对,就是default的波形不对不知道为什么,求指点!!
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自己定义了一个激励源。vba如下:
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' userdefined excitation function
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Option Explicit
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Function ExcitationFunction(dtime As Double) As Double
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'Assign the excitation signal value for the given time to the function name.
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ExcitationFunction =-3.131*Cos(2*3.14*600*dtime)-2.085*Sin(2*3.14*600*dtime)+0.9779*Cos(4*3.14*600*dtime)-1.684*Sin(4*3.14*600*dtime)+0.6571*Cos(6*3.14*600*dtime)+0.6599*Sin(6*3.14*600*dtime)-0.2716*Cos(8*3.14*600*dtime)+0.3825*Sin(8*3.14*600*dtime)
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End Function
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Sub Main
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Dim tmax As Double, ntstep As Long
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' -------------- PLEASE ADJUST THE SETTINGS BELOW ----------------------
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tmax = 0.2
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ntstep = 100
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' -------------- PLEASE ADJUST THE SETTINGS ABOVE ----------------------
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Dim signal As Object, n As Long, tstep As Double
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Set signal = Result1D("")
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signal.Initialize ntstep
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tstep = tmax / ntstep
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For n=0 To ntstep-1
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signal.SetXY(n, n * tstep, ExcitationFunction(n * tstep))
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Next n
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signal.Save GetProjectBaseName() + GetProjectBaseNameSeparator() + "excitation function.sig"
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signal.AddToTree "Excitation Signals\Userdefined Functions\default_plot"
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SelectTreeItem "Excitation Signals\Userdefined Functions\default_plot"
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