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 26, 2010

How to Use Spreadsheets More Effectively in RISA

RISA includes various advanced spreadsheet operations that make reviewing...

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September 20, 2010

Use RISA to Consider Bi-Directional (Quartering) Wind Loading

RISA-3D automatically considers the complex wind combinations required by...

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September 14, 2010

How to Model a Building on a Hill

When dealing with a sloping site, it is often necessary to step-down the...

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September 14, 2010

How to Design Flexible Diaphragms in RISAFloor

When you model your building in RISAFloor, make sure that you define your...

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August 31, 2010

How Are Wind Loads Generated for Sloped Roofs?

RISAFloor is capable of automatically generating the wind loads on sloped...

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August 27, 2010

What is the Dyn Load Category in RISAFloor?

The Dyn Load represents the additional load that must be included in the...

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August 26, 2010

How to Design Wood I-Joists with RISAFloor

RISAFloor has the capability to design wood I-Joists based on tables...

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July 30, 2010

Circular Slab Generation in RISAFoundation

RISAFoundation now has the ability to automatically generate a circular...

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June 22, 2010

How to Create an Engineered Wood Material

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

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