Generalized finite strains, generalized stresses, and a hybrid variational principle for finite-element computer programs
Technical Report
·
OSTI ID:6673976
A generalized hybrid variational principle is presented that includes, as special cases, hybrid variational principles for the Lagrangian and Eulerian formulations. This generalized hybrid principle approximates equilibrium and constitutive equations. This report is an extension of a similar report entitled ''Generalized Finite Strains, Generalized Stresses, and a Principle of Virtual Work for Finite-Element Computer Programs.'' Two approaches are presented for solving nonlinear stress analysis problems with this generalized hybrid variational principle. Both use the finite-element method: one interates the nodal displacements, and the other iterates the incremental displacements. 4 refs.
- Research Organization:
- Los Alamos National Lab., NM (USA)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 6673976
- Report Number(s):
- LA-11372-MS; ON: DE89002101
- Country of Publication:
- United States
- Language:
- English
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