October 30, 2025

🎃 Trick or Treat… It’s RISA-Jeopardy! 👻

Halloween isn’t just for candy and costumes—it’s the perfect time to test your spooky engineering skills! We’ve brewed up a Halloween-themed RISA Jeopardy game, packed with fun, easy questions about our software. Tip for readers: Try to answer before revealing the “treat” below each question! 💀 Can You Count? 100 – RISACalc: How many components are currently available in RISACalc? 10 (Beam, Column, Steel Joist, Composite Beam, Retaining Wall, Spread Footing, Wall Footing, Drilled Pier, Seismic Load, Wind Load) 200 – FD: How many Data Entry spreadsheets are available in RISAFoundation? 25 300 – RISA-3D: How many countries or regions have building codes supported in RISA-3D? 9 (US, Canada, Mexico, Europe, Great Britain, India, Australia, New Zealand, Saudi Arabia) 🎃 Adaptable 100 – ADAPT: Which of these is not an ADAPT product? ADAPT-Builder, ADAPT-Felt, ADAPT-Floor, ADAPT-ABI ADAPT-Floor 200 – ADAPT: Which mode of ADAPT-Builder is used to design slabs-on-grade on expansive soils using the PTI method? ADAPT-SOG 🕸️ The Whole Family 100 – Other: This steel detailing software and fellow Nemetschek brand has a built-in export option in RISA-3D. SDS2 200 – Other: Which design code is the most common in our software, found in 8 of our 10 programs?…

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Diaphragms

October 01, 2024

New Features in RISA-3D v20.0.4 now Available!

We are pleased to announce our latest RISA-3D release. Our teams have been working hard to add the features and functionality that our customers have...

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October 01, 2024

Video: Using Various Diaphragm Types in RISAFloor

RISAFloor supports the three fundamental types of diaphragms used in structural analysis: rigid, semi-rigid and flexible. Watch this video to learn...

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October 01, 2024

Accidental Torsion for Semi-Rigid Diaphragms in RISAFloor

The latest releases of RISAFloor (Version 15.0.1) and RISA-3D (Version 19.0.1) include consideration for accidental torsion and eccentric loading for...

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October 01, 2024

How Do Flexible Diaphragms Work on Sloped Roofs?

RISAFloor supports the use of flexible diaphragms on both flat and sloped roofs. Before reviewing the workflow for utilizing a flexible diaphragm on...

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October 01, 2024

Understanding Wall Panel Forces with Rigid Diaphragms

When modeling building structures using steel or composite steel floors, engineers typically utilize rigid diaphragms to distribute lateral loads...

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October 01, 2024

RISAFloor & RISA-3D: Two Buildings on the Same Podium

RISAFloor is the RISA Building System’s floor design software which allows users to design with composite decks, elevated concrete slabs and more....

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October 01, 2024

How Do I Detach a Wall Panel From a Diaphragm?

The ability to detach a wall panel from a diaphragm was a feature added in RISA-3D V13.

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October 01, 2024

What is a Semi-Rigid Diaphragm?

RISAFloor Concrete Floor Slabs can design be transferred into RISA-3D for lateral design using either a Rigid Diaphragm or Semi-Rigid diaphragm. In...

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October 01, 2024

How Can I Use a Wall for Shear Only (no Bearing) in RISA-3D?

Let’s consider the example of the frame shown below. Suppose there is a diaphragm present at the framing level, and that the wall shown is intended...

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