LS-DYNA SMP R11.0.0 x64
LS-DYNASMPR11.0.0
LS-DYNAisageneral-purposefiniteelementprogramcapableofsimulatingcomplexrealworldproblems.Itisusedbytheautomobile,aerospace,construction,military,manufacturing,andbioengineeringindustries.Thecode'soriginslieinhighlynonlinear,transientdynamicfiniteelementanalysisusingexplicittimeintegration.
"Nonlinear"meansatleastone(andsometimesall)ofthefollowingcomplications:

Changingboundaryconditions(suchascontactbetweenpartsthatchangesovertime)
Largedeformations(forexamplethecrumplingofsheetmetalparts)
Nonlinearmaterialsthatdonotexhibitideallyelasticbehavior(forexamplethermoplasticpolymers)

"Transientdynamic"meansanalyzinghighspeed,shortdurationeventswhereinertialforcesareimportant.Typicalusesinclude:

Automotivecrash(deformationofchassis,airbaginflation,seatbelttensioning)
Explosions(underwaterNavalmine,shapedcharges)
Manufacturing(sheetmetalstamping)

LS-DYNA'spotentialapplicationsarenumerousandcanbetailoredtomanyfields.Inagivensimulation,anyofLS-DYNA'smanyfeaturescanbecombinedtomodelawiderangeofphysicalevents.Anexampleofasimulation,whichinvolvesauniquecombinationoffeatures,istheNASAJPLMarsPathfinderlandingsimulationwhichsimulatedthespaceprobe'suseofairbagstoaidinitslanding.LS-DYNAisoneofthemostflexiblefiniteelementanalysissoftwarepackagesavailable.
LS-DYNAconsistsofasingleexecutablefileandisentirelycommandlinedriven.ThereforeallthatisrequiredtorunLS-DYNAisacommandshell,theexecutable,aninputfile,andenoughfreediskspacetorunthecalculation.AllinputfilesareinsimpleASCIIformatandthuscanbepreparedusinganytexteditor.Inputfilescanalsobepreparedwiththeinstantaidofagraphicalpreprocessor.
TherearemanythirdpartysoftwareproductsavailableforpreprocessingLS-DYNAinputfiles.LSTCalsodevelopsitsownpreprocessor,LS-PrePost,whichisfreelydistributedandrunswithoutalicense.LicenseesofLS-DYNAautomaticallyhaveaccesstoalloftheprogram'scapabilities,fromsimplelinearstaticmechanicalanalysisuptoadvancedthermalandflowsolvingmethods.Furthermore,theyhavefulluseofLS-OPT,astandalonedesignoptimizationandprobabilisticanalysispackagewithaninterfacetoLS-DYNA.
Capabilities
LS-DYNA'sanalysiscapabilitiesinclude:

Full2D&3Dcapabilities
Nonlineardynamics
Rigidbodydynamics
Quasi-staticsimulations
Normalmodes
Linearstatics
Thermalanalysis
Fluidanalysis

Euleriancapabilities
ALE(ArbitraryLagrangian-Eulerian)
FSI(Fluid-StructureInteraction)
Navier-Stokesfluids
Compressiblefluidsolver,CESE(ConservationElement&SolutionElement)


FEM-rigidmulti-bodydynamicscoupling(MADYMO,Cal3D)
Underwatershock
Failureanalysis
Crackpropagation
Real-timeacoustics
Implicitspringback
Multi-physicscoupling
Structural-thermalcoupling
Adaptiveremeshing
SPH(SmoothedParticleHydrodynamics)
EFG(ElementFreeGalerkin)
Radiationtransport
EM(Electromagnetism)

MaterialLibrary
LS-DYNA'smateriallibraryincludes:

Metals
Plastics
Glass
Foams
Fabrics
Elastomers
Honeycombs
Concrete&soils
Viscousfluids
User-definedmaterials

ElementLibrary
LS-DYNA'selementlibraryincludes:

Beams(standard,trusses,discrete,cables,andwelds)(withover10beamelementformulations)
DiscreteElements(springsanddampers)
Lumpedinertias
Lumpedmasses
Accelerometers
Sensors
Seatbelts

Pretensioners
Retractors
Sliprings


Shells(3,4,6,and8-nodeincluding3Dshells,membranes,2Dplanestress,planestrain,andaxisymmetricsolids)(withover25shellelementformulations)
Solids(4and10-nodetetrahedrons,6-nodepentahedrons,and8-nodehexahedrons)(withover20solidelementformulations)
SPHElements
ThickShells(8-node)

ContactAlgorithms
LS-DYNA'scontactalgorithmsinclude:

Flexiblebodycontact
Flexiblebodytorigidbodycontact
Rigidbodytorigidbodycontact
Edge-to-edgecontact
Erodingcontact
Tiedsurfaces
CADsurfaces
Rigidwalls
Drawbeads