Dynamics
8 results found
August 12, 2020 | Events
WEBINAR: Basics of Dynamics Analysis in RISA-3D
Join us on August 25th for our webinar, Multi-Story Post-Tensioned Building Design using ADAPT-Builder. Read More
July 21, 2020 | Tips & Tricks
Improving Mass Participation in RISA-3D
The methods used to improve mass participation in model are essential for understanding and conducting a proper response spectrum analysis in RISA-3D. Read More
March 10, 2016 | Tips & Tricks
Importing Recorded Seismic Ground Motions
RISA-3D allows users to import recorded seismic ground motions for use in time history analysis. Read More
February 24, 2016 | Tips & Tricks
What are the Ramp Up/Coast Down Functions in Time History?
When creating a Time History function for sinusoidal equipment loading the program can automatically adjust the force and frequency at the beginning and end of the time history function. Read More
January 14, 2016 | Tips & Tricks
Importing a Time History Function
RISA-3D v14 introduces Time History analysis for use in the dynamic solution. Read More
November 24, 2015 | Tips & Tricks
Making a Time History Animation Video
RISA-3D allows users to view an animation of the deflected shape of the structure as a function of time. Read More
May 4, 2015 | Tips & Tricks
Ritz Vector Solver (Dynamics) now Available
RISA-3D v13 includes a new Ritz Vector Solver for the Dynamic analysis. Read More
April 3, 2012 | Tips & Tricks
Why Don’t My Response Spectra Reactions Satisfy Statics?
The applied loads in a response spectrum analysis (RSA) are the applied masses times the accelerations in the response spectra. Each mode of vibration produces its own set of joint reactions. Read More