The axisymmetric case is the same, in principle, as the CartesianĬase, except for the fact that there is more material at a greater Treatment of axisymmetric structures, is discussed later. The explicit definition of ρ, as well as the discussion of the Is axisymmetric or not, as indicated by the value of ρ (inputĪs RHO on PRSECT, PLSECT, or FSSECT commands).įor ρ = 0.0, the structure is not axisymmetric (Cartesian case) Īnd for nonzero values of ρ, the structure is axisymmetric. The stress linearization calculation depends on whether the structure Initially, a path must be defined and the results mapped onto Nodes N 1 and N 2 are normally both presumed to be at The section is defined byĪ path consisting of two end points (nodes N 1 and N 2) as shown in Figure 17.4: Coordinates of Cross Section (nodes) and 47 intermediate points (automaticallyĭetermined by linear interpolation in the active display coordinate Using the PRSECT, PLSECT, or FSSECT commands) uses a path defined by two nodes (with The stress linearization option (accessed An option is available to allow a separation of stresses throughĪ section into constant (membrane) and linear (bending) stresses.Īn approach similar to the one used here is reported by Gordon( ).
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