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

April 28, 2026

RISA Cloud Licensing & Installation: Solving Common Access Issues

When RISA-3D will not launch, cannot see a cloud license, or suddenly stops working after an update, it usually comes down to installation, sign‑in, or permissions—not the model itself. Most of these issues follow a few common patterns you can check and fix without a full reinstall. This article walks through practical steps to troubleshoot RISA-3D cloud licensing and installation problems so you can get back into the software quickly. 1. Confirm Your RISA Customer Portal Account Because RISA now uses cloud / user‑based licensing, your access is tied to your login, not to a specific machine. Before troubleshooting anything else, confirm: You are signing into RISA-3D with the correct email address (the one your organization licensed). You haven’t recently changed companies or email domains without updating your license assignment. 2. RISA-3D Won’t Start or Crashes Immediately If RISA-3D will not open at all, or closes right after launch: Check installation and Windows permissions Make sure RISA-3D is installed under the Windows user profile you’re actually using. Avoid switching between Windows accounts after installation. Try running RISA-3D once as an administrator to see if it’s a permissions issue. Look for security or antivirus interference Some antivirus or endpoint protection tools…

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Deflection

December 17, 2021

Automatic Calculation of Long-Term Load Factors in ADAPT-Builder

With the release of ADAPT-Builder v21, users now has the option to have...

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June 29, 2021

Batch Printing & Beam Deflection Ratio Checks Now Available in…

As our team is hard at work updating and improving RISACalc based on...

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June 28, 2018

A Deeper Understanding of Deflection and Member Deflection Ratios

There are many different types deflection values calculated by RISA-3D....

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June 21, 2018

Beam Deflection Ratio Options

RISA-3D v16.0.4 introduces an enhancement that will allow for more control...

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April 26, 2018

Long Term Deflection in RISAFloor ES

RISAFloor ES has the ability to check the Long Term Deflection with Creep...

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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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July 01, 2014

Viewing the Deflected Shape in RISAFloor

The deflected shape is really helpful to understanding your model’s...

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September 06, 2013

Why Are The Steel Beam Deflections So Large?

When solving a RISA-3D model with hot rolled steel members under the AISC...

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May 15, 2013

How can I find the deflection of plates?

Below is a model of a flat concrete slab made of plates. In order to...

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