Reimplemented in Ramm, Newton, WilsonPenzienNewmark, Newmark, LeeNewmarkFull, LeeNewmark, GSSSS, GeneralizedAlpha, BatheTwoStep, FEAST, BFGS, Arnoldi, SectionNM, NM3D3, NM3D2, NM3D1, NM2D3, NM2D2, NM2D1, Rectangle3D, ISection3D, Fibre3D, CircularHollow3D, Circle3D, Box3D, Bar3D, Rectangle2D, ISection2D, HSection2D, Fibre2D, CircularHollow2D, Circle2D, Box2D, Bar2D, TrussSection, Rectangle1D, Fibre1D, Circle1D, VisualisationRecorder, SumRecorder, Recorder, NodeRecorder, GroupSumRecorder, GroupNodeRecorder, GroupElementRecorder, GlobalStiffnessRecorder, GlobalRecorder, GlobalMassRecorder, FrameRecorder, ElementRecorder, EigenRecorder, AmplitudeRecorder, Substepping, Stacked, VAFCRP, PolyJ2, NonlinearPeric, NonlinearJ2, NonlinearGurson, MultilinearJ2, ExpJ2, ExpGurson, BilinearJ2, ArmstrongFrederick, SimpleSand, DafaliasManzari, NonlinearHoffman, Yeoh, OrthotropicElastic3D, MooneyRivlin, IsotropicNonlinearElastic3D, IsotropicElastic3D, BlatzKo, NonlinearDruckerPrager, ExpDP, BilinearDP, NonlinearCDP, CDPM2, ParabolicCC, NonlinearCamClay, ExpCC, BilinearCC, Rotation2D, Rebar2D, PlaneStress, PlaneStrain, Laminated, Axisymmetric, Elastic2D, AxisymmetricElastic, Concrete22, Concrete21, Bilinear2D, Uniaxial, Sequential, Parallel, VAFCRP1D, MultilinearMises1D, ExpGurson1D, Bilinear1D, ArmstrongFrederick1D, NonlinearViscosity, Maxwell, Kelvin, Material1D, Trivial, SteelBRB, SlipLock, RambergOsgood, PeakOriented, MultilinearPO, MultilinearOO, MPF, Gap01, Flag, CoulombFriction, BWBN, BoucWen, BilinearPO, BilinearOO, AFC, PolyElastic1D, MultilinearElastic1D, Elastic1D, BilinearElastic1D, ConcreteCM, TabularSpline, Tabular, Sine, Ramp, NZStrongMotion, Modulated, Linear, Decay, Cosine, Constant, Combine, T3D2S, T3D2, T2D2S, T2D2, Spring02, Spring01, SingleSection3D, SingleSection2D, MassBase, Joint, Damper02, Damper01, SGCMS, S4, DKTS3, Mindlin, DKT4, DKT3, PatchQuad, PatchCube, PCPE8UC, PCPE8DC, PCPE4UC, PCPE4DC, CP8, CP7, CP6, CP5, CP4I, CP4, CP3, DCP4, DCP3, QE2, PS, CINP4, SGCMQ, GQ12, GCMQ, Allman, CSMT6, CSMT3, CSMQ8, CSMQ4, CSMQ, CAX8, CAX4, CAX3, DC3D8, DC3D4, CIN3D8, C3D8I, C3D8, C3D4, C3D20, NMB31, NMB21, MVLEM, F31, F21H, F21, EB21, B31, B21H, B21, Node, Group, ElementGroup, SectionExample, MaterialExample, and ElementExample.