LSDYNA_Theory .pdf

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1、LS-DYNATHEORETICALMANUALMay1998Copyright©1991-1998LIVERMORESOFTWARETECHNOLOGYCORPORATIONAllRightsReservedCompiledByJohnO.HallquistMailingAddress:LivermoreSoftwareTechnologyCorporation2876WaverleyWayLivermore,California94550-1740SupportAddress:LivermoreSoftwareTechnologyCorporation97RickenbackerCi

2、rcleLivermore,California94550-7612FAX:925-449-2507TEL:925-449-2500EMAIL:sales@lstc.comWEBSITE:www.lstc.comCopyright©1991-1998byLivermoreSoftwareTechnologyCorporationAllRightsReservedLS-DYNATheoreticalManualTableofContentsTABLEOFCONTENTSABSTRACT.....................................................

3、....................................................................1.11.INTRODUCTION..............................................................................................................1.11.1HistoryofLS-DYNA.....1.1........................................................................

4、......................1.2Acknowledgments........1.10...............................................................................................2.PRELIMINARIES.............................................................................................................2.12.1GoverningEquations..

5、..2.1................................................................................................3.SOLIDELEMENTS3.1..........................................................................................................3.1VolumeIntegration.....3.3............................................

6、.....................................................3.2HourglassControl........................................................................................................3.43.3FullyIntegratedBrickElements3.9....................................................................................

7、..3.4FullyIntegratedBrickElementWith48Degrees-of-Freedom3.10...............................................3.5TetrahedronElementWith12Degrees-of-Freedom.............................................................3.133