6/20/2015 AdvanceDesign:Howarethemassandrigiditycentercoordinatesautomaticallyobtainedforeachlevelofastructure?

http://www.graitec.com/us/FAQ_view.asp?FAQID=693&Language=EN&Name=How+are+the+mass+and+rigidity+center+coordinates+automatically+obtaine 1/3

FAQNews

Software:ModuleQuestion:Type:Difficulty:

GRAITECAdvantageFAQfeed

Howarethemassandrigiditycentercoordinatesautomaticallyobtainedforeachlevelofastructure?

AdvanceDesignGeneralHowarethemassandrigiditycentercoordinatesautomaticallyobtainedforeachlevelofastructure?Modeling***

Answer

Asanexample,wewillconsiderastructurewithadifferentwalldistributionforeachstory.

Themasscenterandrigiditycentercoordinateswillbemeasuredintheglobalcoordinatesystem.Forbetterdetectionofthecoordinates,thestructureispositionedsothatoneofthecornerelementsisplacedattheglobalcoordinatesystemorigin.

Inordertoobtainthemasscenterandrigiditycentercoordinatesforeachlevel,youmustgroupthestructuralelementsinsystemssothatalltheelementsofacertainlevelbelongtoasinglesystem.

InthePilot,createseparatesystemsforeachlevelofthestructureandthenplacethestructuralelementsinthesystemcorrespondingtotheirlevel.

6/20/2015 AdvanceDesign:Howarethemassandrigiditycentercoordinatesautomaticallyobtainedforeachlevelofastructure?

http://www.graitec.com/us/FAQ_view.asp?FAQID=693&Language=EN&Name=How+are+the+mass+and+rigidity+center+coordinates+automatically+obtaine 2/3

Enablethe"Level"optioninthepropertieswindowofeachlevelsystem.Specifythetopandthebottomlimitofthelevelforeachstory("Ztop"andZbottom")andthepositionnumberofthelevelinsidethestructure(inthe"Number"field).

Thestructureinthisexampleisloadedwithdeadloads,liveloadsandseismicloadsalongXandY.Afterrunningthefiniteelementsanalysisyoucangenerateareportcontainingthemasscenterandrigiditycentercoordinatesforeachlevel.Performthefollowing

steps:

AccesstheDocuments>Generateanewreportcommand.

Inthe"ReportGenerator"dialogbox,accesstheTabletabandselectTable>FiniteElementsAnalysis>Results>Modalanalysis>Levelmassandrigiditycenters.

6/20/2015 AdvanceDesign:Howarethemassandrigiditycentercoordinatesautomaticallyobtainedforeachlevelofastructure?

http://www.graitec.com/us/FAQ_view.asp?FAQID=693&Language=EN&Name=How+are+the+mass+and+rigidity+center+coordinates+automatically+obtaine 3/3

19862015GRAITEC company|products|support|services|references|sitemap|contact

Clickthe"