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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Wood

August 15, 2023

RISA | Custom Wood Materials and Wood Schedules in RISA

In RISAFloor (and RISA-3D), the entire NDS species list is available as...

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May 11, 2023

RISA | Inputting the Wood Adjustment Factor, le, in RISA-3D

Do you need to include effective length, le, per NDS Table 3.3.3 for your...

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November 04, 2022

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

We are pleased to announce our latest RISA-3D release. Our teams have been...

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September 15, 2020

CD Factor for Wood Hold-Downs

If you have utilized Hold-Down's in RISA-3D, you have mostly likely...

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May 01, 2020

Video: Wood Member Design in RISACalc

Learn how to load and design individual beam and column wood members in...

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August 30, 2019

LRFD Wood Design per AWC-NDS 2015/2018 Codes

Strength Design (LRFD) according to the AWC-NDS 2015/2018 code has been...

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January 03, 2019

What wood wall design method should I use?

RISA-3D is one of the few pieces of software on the market offering wood...

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