Dlubal RFEM - Material Nonlinearity

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RFEM 4.05

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#Dlubal #DlubalSoftware #BIM #CAD #BuildingInformationModeling #Eurocode #Eurocodes #Engineering #EngineeringSoftware #StructuralAnalysis #FEA #FEM #RFEM #Material #Nonlinearity #MaterialNonlinearity
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When I choose the "second order analysis" in calculation parameters (RFEM 5.13) for load combinations, the FE-SOLVER shows that it already runs a non-linear calculation. But in this video you show another kind of non-linear analysis. When I've changed the material model in my calculation (from isotropic linear elastic to isotropic plastic 1D) like you, analysis ran much slower.
Maybe you can make it more clear: what's the difference between these two types of calculations? How I can classify these types of analysis according to 1.5.6 EN 1990? Is it the second order linear-elastic analysis or either second order elasto-plastic analysis ?
Thank you

gilARENASbert
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