Risa Tips & Tricks: How to Use Our Structural Analysis Software

July 15, 2026

How Structural Engineers Design Iconic Public Venues?

World Cup years shine a spotlight on stadiums, but the structural challenges behind world‑stage venues show up across project types: museums, pavilions, and civic spaces. These are places where architecture is ambitious, public experience matters, and the structure has to quietly do a lot of work. Here’s how RISA users are tackling three very different—but related—venue types. 1. Stadiums: complex frames and evolving programs Stadium projects like Toyota Stadium improvements must handle: Tiered seating bowls with varying rake angles and framing systems. Long‑span roof or canopy systems supporting cladding, rigging, and snow/wind loads. Ongoing program changes (premium seating, new amenities, media spaces). A typical RISA workflow: Lay out gravity framing and seating geometry in RISAFloor, including slab edges, raker beams, and concourse framing. Transfer to RISA‑3D to define lateral systems (braced frames, moment frames, shear walls) and apply wind/seismic loads. Check drift, member demand/capacity, and diaphragm behavior across the bowl and concourse levels. Use RISAConnection to design key steel connections (moment frames, base plates, splices) once global behavior is acceptable. Because the entire system lives in one ecosystem, teams can see how changes in seating layout or roof configuration affect both strength and serviceability. 2. Museums: irregular geometry and accessible…

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RISA-3D (22)

December 16, 2015

Concrete Design per ACI 318-14 Concrete Code now Available

The new ACI 318-14 code has been implemented into RISA-3D v14, RISAFloor...

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December 09, 2015

Envelope Detail Report Results

RISA-3D v14 introduced envelope detail reports for all material members....

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November 24, 2015

Making a Time History Animation Video

Time history analysis solves for normal analysis results (joint...

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September 22, 2015

Why Did the Wood Design Values Drop?

You may notice discrepancies in the wood design values when comparing RISA...

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September 16, 2015

How RISA-3D Calculates Member Deflection Ratios

After solving a model, you will see in the Member Deflections spreadsheet...

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September 09, 2015

Why don’t the Beams in my Frame have axial force?

The beams in a lateral force resisting system, such as a braced frame or...

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August 25, 2015

What does the Include Structure Weight Checkbox Do for Seismic Loads?

In the Seismic Loads dialog there is a checkbox for “Include structure...

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August 20, 2015

Residual Rigid Response (Dynamics)

When running a Response Spectrum analysis for seismic design, the response...

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August 11, 2015

What Loads Transfer from RISAFloor to RISA-3D?

RIAFloor designs the gravity system and then integrates with RISA-3D to...

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