#has-images
Figure 1: Three-point bending test: (a) specimen geometry and loading, (b) finite element mesh |
Figure 2: Three-point bending test: convergence characteristics |
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Three-point bending testly exception is step 5 (around the peak of the load-displacement curve),
in which the initial prediction is not sufficiently close to the exact solution,
and the quadratic rate of convergence is attained only after iteration number 7.
<span>Figure 1:
Three-point bending test: (a) specimen geometry and loading,
(b) finite element mesh
Figure 2:
Three-point bending test: convergence characteristics
Figure 3:
Three-point bending test: load displacement diagram
The relative efficiency of the strategies using the secant or tangent stiffness
matrices strongly depends on Summary
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