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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September 28, 2018

Analysis Offsets now Available

RISA-3D v15 includes "analysis offsets" which moves the centroid of the...

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September 27, 2018

Challenges when using Analysis Offsets

In a previous article we discussed how the Analysis Offsets feature in...

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September 27, 2018

Using Analysis Offsets in RISA-3D

Have you ever wondered what the Analysis Offset feature does? Let’s take a...

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September 20, 2018

Passive Resistance for Mat Slabs

RISAFoundation includes the added ability to enter a passive pressure for...

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September 13, 2018

Steel Design per AISC 15th Edition Steel Manual now Available

The new AISC 360-16 15th Edition changes have been implemented into...

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September 06, 2018

Copy Elements from Floor to Floor

RISAFloor v13.0 now includes the added ability to graphically copy...

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August 23, 2018

P-Delta Instability with Gravity Only Loads

“Why am I receiving a P-Delta instability error when I run my DL + LL load...

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August 16, 2018

Modeling Cables in RISA-3D

One of the support questions we get most often is, “How can I model a...

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August 09, 2018

RISA-Tekla Link v8 Now Available

RISA is pleased to announce the release of the latest RISA-Tekla Link that...

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