Deflection - 5.8.5 - Civil & Mechanical Engineering

Download Mac Deflection 5.8.5Full version – FREE!

Deflection is the most interactive, fast, and precise app available for structural beam analysis. Design visually and obtain engineering results, graphs, and equations instantaneously!

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Simply place loads and supports on the beam, and see how it bends. Find a cross section in the built-in library, or define a custom shape. Deflection, internal stresses, and other useful results are automatically updated.

This software is the result of over six years of continuous development and innovation aimed at mechanical engineering, civil engineering, and structural engineering. This tool will help you apply beam elastic theory from day 1 as you are learning Mechanics of Materials, and it will be your go-to pocket reference any time in the future.


Obtain design results and diagrams in real-time.

• Shear force

• Bending moment

• Deflection distance

• Internal bending stress

• Internal shear stress


Specify values directly, or find common shapes and materials using the built-in databases.

• United States

• Europe

• Japan

• India

• Russia

• Great Britain

• Canada

• Australia


Edit built-in cross sections. Shape properties are automatically calculated.

• Moment of inertia

• Area


Simply drag any load or support on the beam.

• Concentrated point loads

• Distributed loads

• Moment loads

• Simple supports

• Fixed supports

• Fixed hinges

• Floating Gerber hinges


• Apply beam self-weight optionally

• Automatic detection of local maxima and minima in diagrams

• Unlimited design files

• Quick-start templates

• Metric and standard measurement units

What’s New

Version 5.8.1

• FIXED: Deleting a load or support using the Delete key.

• IMPROVED: Better layout of beam design area to reduce overlap of labels with icons.

• FIXED: Minor issues.

Mac App Store:

  • CAN NOT DOWNLOAD: Some probably encounter the following error: This site can’t be reached’s server IP address could not be found. DNS_PROBE_FINISHED_NXDOMAIN. In this case, please use Google DNS and you will get rid of trouble.
  • If downloaded file can not be extracted (file corrupted...), please make sure you have downloaded the file completely and don't use Winzip, it sucks! We would recommend using The Unarchiver.
  • By reason, the App does not work and can not be opened. Mostly, just Disable the Gatekeeper, and you get rid of troubles.