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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v18

March 04, 2020

RISA-3D v18.0.3 Released

Over the last few weeks, we have been working hard to add the features and...

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February 06, 2020

RISA-3D v18.0.2 Released

We have been working diligently over the last few weeks to add the...

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January 17, 2020

WEBINAR: Experience the All-New RISA-3D

The All New RISA-3D provides engineers with a fresh new take on the most...

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December 05, 2019

Using Redesign Lists in RISA-3D

RISA-3D includes Redesign Lists that are used to optimize hot-rolled...

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