Updating the behavior engineering model

The detailed model does correlate with measured behavior.

By assuming that the method will work similarly for the detailed model as it did for the beam model, it can be concluded that the detailed model can be validated using the current sensor setup for a static case.

Present research efforts focus to combine finite element analysis and testing in one common framework.

The finite element method is based on fundamental principles in solid mechanics.

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摘要: This paper proposes a simplified finite element model to represent a riveted lap joint in structural dynamic analysis field. Several numerical models are studied with different quantities of rivets (1, 3 and 5) and spring-damper elements (4, 6, 8, 12, 16 and 20) per rivet.

Four sets of modal data are compared and shown having a significant discrepancy in their frequency values, although their mode shapes are quite consistent.

Inconsistency in the frequency results due to erroneous inputs of geometrical and material parameters to the finite element analysis can be salvaged by applying the finite element model updating procedure.

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A dual overconfidence behavior-based decision model under a demand updating background is built.

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