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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December 30, 2013

How Do I Model a Tapered Pipe?

Tapered members are common for metal buildings and pole-type structures....

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December 27, 2013

What are Web Doubler plates used for in RISAConnection?

For moment connections in RISAConnection there is an option to place web...

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October 09, 2013

What is the Tau b Factor and how does it affect my analysis?

When solving a RISA-3D model with hot rolled steel members under the AISC...

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September 06, 2013

Why Are The Steel Beam Deflections So Large?

When solving a RISA-3D model with hot rolled steel members under the AISC...

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August 21, 2013

How can I transition a Plate Mesh from Round to Rectangular?

Transitioning plates from a circular (or elliptical) to a square (or...

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August 14, 2013

How to Use International Shapes in RISAConnection

You can use the full library of international shapes inside of...

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July 31, 2013

How to View Wood Design Values

We have recently added a new View Design Properties dialog to allow you to...

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July 02, 2013

How to use Live Load Special

In RISAFloor, there are several different Load Categories that define Live...

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