A model for analysis of fuel behaviour in transients

SUMMARYA new computational scheme, named the 'Integrated Load Increment' method (ILI), has been developed to handle elasto-plastic analysis of solids by the finite element variational technique. This scheme allows considerably larger loading steps to be applied to the structure without deviating from its nonlinear, load-deformation relationship. It has been shown that these relationships can be evaluated by integrating the nonlinear constitutive equations within each load increment under certain conditions. A numerical example on a pressurized thick-walled. cylinder indicates that a 240 per cent improvement in computational efficiency and substantial reduction of loading steps over the conventional load incremental method can be achieved by the ILI technique.

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An integrated load increment method for finite elasto–plastic stress analysis

Cheng

Hsu

Too

1980

Numerical Meth Engineering

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FAXMOD and its application on the prediction of high temperature creep and sheath ballooning behaviour

Too

Tamm

1980

Nuclear Engineering and Design

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On behaviour of fuel elements subject to combined cyclic thermomechanical loads

Hsu

1980

Nuclear Engineering and Design

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A model for analysis of fuel behaviour in transients

Cited by 5 publications

References 17 publications

An integrated load increment method for finite elasto–plastic stress analysis

An integrated load increment method for finite elasto–plastic stress analysis

FAXMOD and its application on the prediction of high temperature creep and sheath ballooning behaviour

On behaviour of fuel elements subject to combined cyclic thermomechanical loads

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