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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May 13, 2015

Circular Pedestals on Spread Footings

Circular pedestals and posts can be added to spread footings in...

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May 04, 2015

Ritz Vector Solver (Dynamics) now Available

RISA-3D v13 includes a new Ritz Vector Solver for the Dynamic analysis....

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April 22, 2015

Which Wall Footing Type Should I Use?

RISAFoundation has the ability to define different types of wall footings....

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April 15, 2015

How Do I Detach a Wall Panel From a Diaphragm?

The ability to detach a wall panel from a diaphragm was a feature added in...

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April 08, 2015

How can I transfer my slab design from RISAFloor ES onto drawings?

The ability of RISAFloor ES to design rebar for two way concrete slabs is...

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March 25, 2015

How are Unbraced Lengths coordinated between RISAFloor and RISA-3D?

In a RISAFloor model the columns and beams can be assigned unbraced...

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March 20, 2015

Moving Load Point Load Generator now Available

A common question we get in tech support is “how can I verify my moving...

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March 12, 2015

Cold-Formed Steel Back to Back Design

Cold Formed Steel channels are often built-up as back-to-back sections to...

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March 10, 2015

What is a Semi-Rigid Diaphragm?

RISAFloor Concrete Floor Slabs can design be transferred into RISA-3D for...

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