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Admin: May 26, 2020 12:00:00 AM
RISA-3D can be used to model the effects of rotating machinery on their support structures. In the model below, we have a structure which is to...
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Admin: Mar 10, 2016 12:00:00 AM
The Pacific Earthquake Engineering Research center (PEER) has a large library of measured earthquake records. Below is an example of how to quickly...
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Admin: Feb 24, 2016 12:00:00 AM
Ramp Up Function RISA allows you to define “Ramp Up Functions” to control how the force and frequency vary during this initial startup time....
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Admin: Jan 14, 2016 12:00:00 AM
New in RISA-3D v14 is the introduction of a Time History analysis feature. Time history functions may be generated directly in the program based on...
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Time history analysis solves for normal analysis results (joint displacements, member forces, code checks, etc.) based on loading that varies with...
