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For the modeling of rubber structures, DIANA offers special elements with
additional pressure degrees of freedom to avoid spurious kinematic modes
[Vol. Element Library].
The constitutive behavior for these special elements is restricted to
hyperelastic material behavior [§4.4].
Geometric nonlinear
effects due to large displacements have to be
taken into account by the GEOMET
analysis command option [Vol. Analysis Procedures].
DIANA-9.3 User's Manual - Material Library
First ed.
Copyright (c) 2008 by TNO DIANA BV.