简介：PhaseShiftingAndLogicalMoire(PSALM)isakindofcomputerimageprocessingmethodwhichcanbeusedinphasemeasurementandtoobtaintheshape,deformationandstraindistributionofanobject.Thispaperpresentsthestructureandworkingprocedureofa2DphasemeasurementPSALM2Dprogramanditsapplication.Whenanalyzingmoireinterferometricfringes,wecanobtain2Ddistributionofdisplacementandstrain.Whenitisusedinreflectionmoirewecanmeasuretheslopeofaspecimen.SatisfactoryvisualizationandquantitativeresultsaregivenbyPSALM2D.

简介：Theoilpanusedinearengineisoneoftheimportantstructurepartsinthecar,whichis,ingeneral,deepdrawnanddifficulttofrom.Thedeep-drawingprocessesoftheoilpanusedintheenginefor'SmallFlag'CaroflheFirstAutomobileManufactoryisanalyzedbyusingtheintegrativeCAD/CAE/CAMtechniqueofstampingdie,ineludingtheCADsoftwareCATIAandthesheet-metalstampingCAEsoftwareKMASdevelopedindependently.ThroughananalysisofdiestructureandformabilityusingtheKMASsoft-ware,theprimarytwi-offdeep-drawinghassuccessfullybeenchangedtotheone-offdeep-drawing,solvingthekeyteehniealdifficultiesforthemanufactory.