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| A simple method for geometric nonlinear analysis of plane beam bar structures |
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| DOI：10.7511/jslx19971019 |
| KeyWord:plane structures,beam bar elements,geometric non linear |
| Wang Henghua |
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| Abstract: |
| A new method for geometric nonlinear analysis is put forward in this paper. It is suitable for the plane beam bar structures in which there are large node displacements, large element rigid rotations, and relatively small elastic element deformations. It is a simple method with great precision. The stiffness matrixes and additional load columns in the paper are written out in the obvious form, so they can be directly used. |
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