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

September 24, 2026

One Model, Many Materials: Understanding Multi-Material Structural Design with Integrated Design Tools

Modern building design is increasingly defined by hybrid systems. Engineers are combining multiple building materials within a single structure to meet demands for efficiency, constructability, and performance. This approach allows each material to be used where it performs best, but it also introduces a level of complexity. Coordinating different material behaviors within one structural system and load path is no longer a niche challenge. It is becoming standard practice. What is Multi-Material Structural Design Multi-material structural design is the practice of using different building materials in one coordinated structural system so that load paths, stiffness, and movement are all working together. In real projects, this shows up as: Mass timber framing on top of a concrete podium Steel transfer beams carrying concrete slabs above Masonry cores tied into wood gravity framing These systems are now common in commercial and residential projects, especially as teams look for more sustainable and efficient buildings. Why Multi-Material Design Matters Using multiple materials allows engineers to fine-tune structural systems and capitalize on the best attributes of each material. Multi-material structural systems help you: Provide stiffness where you need it, such as at a concrete core Allow for long spans and complex geometries by utilizing steel…

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October 19, 2016

Instabilities in RISA-3D with Flexible Diaphragms

In a model that contains both RISAFloor and RISA-3D data it is possible to...

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August 31, 2016

Why Do My Wide Flange Members Fail in the AISC 14th Edition Code?

In RISA-3D’s addition of the AISC 14th Edition code we added Section E4...

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August 16, 2016

Why Can’t I See My RISASection Shapes in the Shape Database?

When using RISA Integration between RISASection and RISA-3D, RISA-2D...

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August 10, 2016

Use Wide Flange Braces in Vertical Brace Connections

RISAConnection now offers the ability to use a wide flange brace member in...

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August 03, 2016

Use HSS Column & Beams in Brace Connections

RISAConnection v6 has added HSS tubes and pipes for Diagonal and Chevron...

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July 27, 2016

Using Eccentric Chevron Brace Workpoints

RISAConnection now offers the ability to enter an eccentric work point for...

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July 12, 2016

Camber Design Rules in RISAFloor

RISAFloor has the ability to assign camber design rules which allow the...

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July 05, 2016

Connection Design per Canadian Steel Code (S16-14) now Available

RISAConnection now offers connection design per the Canadian CSA S16-2014...

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June 28, 2016

Calculation of Forces in Seismic Brace Connections

Seismic brace connections are a bit different from other connection types...

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