使用pulse软件进行模态分析的基本过程.docx

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1、使用pulse软件进行模态分析的基本过程自我在实践中总结（pulse软件学习体会）、导入数据;Visual 5TN Pro: Project 2.PR.JFile Display Window Help* H T 0 Time-Base.ProjectNewStructure Browser.,.RemoveStructure.昼 Printer Set叩Data Block.巳 Shape Table.5DMDEMO.PRJ (C;Program , AExannples)Project 1 .PRJ (C:Program .Edimples)产 Options,fl匚就|初始设置（大部分情

2、况下可不进行） 观察各点激励的频率响应函数图（可以通过改变颜色来加以区别）faData Block 2.BLE, 1 selected FRF, Rows/Columns; Auto Scale-n| AFile Edit Display Form-zt Tcols Transfornn Acaustics Modes E _LlLHcL 国 Q，Rl IMfflPH Eq1 Bd Nq 骸 回SelectHideNoMeas.TiJpeDDFsUnitsSoundPlayFRZE99(m/rg/NMtt2NoFR-湖帅广2VNPlau.卜*MoFRF999g广2）/NPlavM#4NoFRF

3、999PlayM#5NoFFIF999Plav二、导入几何形状Visual 5TN Pro: Project 2.PftJFile Display Window HelpProjectffl n T H TigNewAdd.Structure Browser.Removeselected FRF, Rows/Ci1st Tools I Transform I PXLoprm监 Structure.a Printer Setup. Data Block.SDMDEMC.PRJ (C:Program .Examples)Project 1 .PRJ (C:Program . .Exjmplee)产

4、Options.TLExiti ii iiqi11日3-BSolojkuh L知皿Sbfnm 点击Draw-Aanimate或快捷方式（如果几何形状上 的点以及编号、测量顺序与数一致，可直接进入， 否则，指定激励测量点的位置与方向，还可重新设 定）Assignment MethodsC Match Point Numbers wnd DOFs.(* Graphical Assignment17 Show Animation SourceKCancelM Draw 3DView: Structure 1.5TR.File Edit Displ-ay Drew Animate Movie Modi

5、FyDraw Animate Movie Modify FEA 凹 :o( Animate1 :* Add Point to Line1 ffijlAdd Point to 5u而匚巳oH M&sh.Interpolate All Points囹 Select M#s冥 Drawing AssistantQ Group Selected Objects.Ci Un group Selected Substructures.PointsTop (+Z)3DViewGraphical M# AssignmenlClick on a point and direction toassign the

6、HitUnselectReFreshDisplayPersp: |ClosePersp: +10 |三、模态分析Data Block Z.BLKP 3 selected FRFsp Rows/Colu=_|n|x|iFile Edit Display Format Tools Transform AcousticsE回八pT 阳口 dal Para met*ZlLkl ck Rl Ing Ph Q BS Nq 答&Display卜M#3 939Acceler= -|匚叩V笛N&w File 11 Select Hide Meas.Typ 111.一 1.心 Synthesize FRFs.Bl

7、ock 2.BLK, 1 selected FRF, Rows/Columns, Auto Seal线 Curve FittingFile Edirfplay Format Tuuls Transform ALuustics Modes Curve Fit H _L 叵仙业国 V Rl ImPh ES Bd1 Nq |g| Fl tModew.rJ芝_.一省云L渚吕_|心 pmccnRM1. Mode Indicator 2. Frequency & DampingMethodlai Peaks Functioilai Peaks Function_ - _odal Indicator Fun

8、ctionComplex Mode Indicator Function Multivariate Mode Indicator FunctionCount PeaksFrequency(Hz) DampingRes Mag1- Mode Indicator 2. Frequency 8 Damping 3. Residues 昆 Save ShapesMethod|Nodal Peaks： FunctionModes|Sir)gle Fteference 二|Count PeaksM odeFrequencyHzDampingRes： PhsdegRes Mag1. Mode Indicat

9、or 占 Frequency & Damping 3. hMethod|Ortho Polynomial4 ModesFID I|GlobalSMbility |ModeFrequency(Hz)DampingRes Mag1. Mode Indicator2. Frequency DampingMethod| Ortho Poljrnomial4 Modes Global刁二巨，二SMbili |MadeFrequency Hz)Damping 国Res Mag (m/sA2J/N-sec)Res Phs deg)172.342722002.1233671.7544232.07Select2

10、. Frequency & Damping3-也曲dues & Saue Shapes 1MfflMtt2Mtt3|Ortho Polynomial二|Mtt4Mtt5pingle Heference,1卜ResiduesSave ShapesModeFrequency (Hz)D arnpi ng Res MagR es Phs9deg172.34.274.94E3354-22002.124.74E331633G71.7585018044232.073.07E3150Shape Table 4 .SUP:，t Residue mode shapes: Shape=File Edit Disp

11、lay Tools 口ShapeLabelF requencUnits )amping 慎)1GOP;SOP72.3Hz4.272GOP:SOP200Hz2.123GOP:SOP367Hz1.754GOP:SOP423Hz2.07S electMeas. TypeDOF?Unit?Shape M agnituiMttlR esidue mode999(m/s2yN-s2.33EcMtt2R esidue mode9993.44Ec四、模态振型正交性验证File DisplayShapeDispl郎 | Plcit Labelf?1 Labels | HU MAC 室匚口阳A匚Orthogona

12、lity 昼Print.FrequencyDamping %Shape 1GORSOP72.34.27Shape 2GOP:SOP2002.12Shape 3GORSOP367175Shape 4GORSOP4232.07ShapeShapeShapeShapeGORSOPGORSOPGORSOPGORSOP72.32003G74231.0000.2521.750.2062.070.2094.272.120.2521.0000.2650.5810.2060.2651.0000.2810.2090.5810.2811.000四、注意问题数据和几何形状可以分开处理，但相互关联时要注意相互对应;建立几何模型时要可以根据测量顺序对测量点进行编号；模态分析结果可进行归一化检查。五：一些说明SelectHide1NoPULSISelectHideMeas. TjjpeDOFsUnitsMtt1NoFRF+1乙十1职(rn/3/NMB2NoFRFFRFHZ:+2Z (rn/2/N+4Z:-b15K (rn/2/NMB3NoMB4NoFRFi-4Z:+2Zl(rn/罡i FRF Synthesis x| Close | Ji r添加其它频段的点：移动分析范围即可