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here. Hopefully we will be able to get the most useful of these incorporated in the manuals.
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I`ve created a RC frame and used beamColumnJoint element for the connections, period of structure is very high.
the period of the model without beamcolumnjoint element is ok.
please help me
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yes, the joint will change the period and if very flexible it will change it by a lot. a simple hand calculation of how much say a rotational spring at the ends of an elastic beam will show you this. the stiffer you make the hin, the closer to your original period.