NastranInHyperMesh,therearetwotypesofloadcollectorsforNastran:?Specificloadcollectorswithacardimage?Genericloadcollectorswithoutacardimage ,suchasSPCADD,MPCADD,EIGRL,EIGB,EIGC,EIGP,EIGR,FREQ,FREQ1,LOAD,GRAV,RFORCE,andTEMPD. Specificloadcollectorshavecardimageswhichcanbeeditedtodothefollowing:?Groupotherloadcollectorstogetherforsimultaneousapplicationinasinglesubcase?Providespecialinformationforaspecificanalysistype(suchasmodalanalysis) Generalboundaryconditions,suchasloadsandconstraints,,loadsthathavethesameSIDarecollectedintothesameloadcollector. IfaloadcollectoralreadyexistsinthedatabasewiththesameSID,ur:Ifoverwriteisoff(default),thenewloadcollector’,thenewloadcollectorreplacestheexistingloadcollector. (area)(vibrationorbuckling)analysiswiththeLanczosmethodFREQDefinesa
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