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What’s New Archive

August 21, 2019

The new release of RISA-3D is right around the corner! Check out our teaser videos to enjoy a sneak peek at some of the most exciting new features!

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Posted in Education, What's New | Comments Off on RISA-3D v18 Sneak Peek Videos

July 12, 2019

Tension or Compression (T/C) Only members are commonly used in steel buildings when modeling braced frames that resist lateral load.  Note: Tension or Compression Only Members can also be used in modeling cables or construction gaps. Detailed discussions on these applications can be found here: Cables | Gap  As a result, tension only members will […]

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Posted in What's New | Comments Off on Implementing Realistic Behavior for T/C Members in RISA-3D

December 27, 2018

RISAFloor v13 includes a variety of modeling features which allows users to quickly create and manipulate geometry. These new features include construction lines, saved selections and copy elements from floor to floor.  Take a look at the video below to learn more about these new modeling enhancements:

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Posted in What's New | Comments Off on Enhanced Modeling Features in RISAFloor v13

November 16, 2018

The base material at the location of a weld may have less strength than the weld itself. In this case it will control the overall strength of the welded connection. In order to account for this, RISAConnection uses a weld strength reduction factor (α) which we call the Base Material Proration Factor. This factor is […]

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Posted in Technical Solutions, What's New | Comments Off on What is the Base Material Proration Factor?

November 16, 2018

RISAConnection assumes by default that your vertical brace connection is a one-sided connection without any outside influence or load transfer from other connected elements.  Using this assumption, the design shear and axial force at the beam to column sub-connection is determined using simple statics per the Uniform Force Method in the AISC Steel Design Manual. […]

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Posted in Technical Solutions, What's New | Comments Off on How to Include Transfer Forces in your Vertical Brace Connection