Structural Design Archives

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Category: Structural Design

Web under local loads – Hand calculations

It’s very hard to calculate the capacity of small sections of any structure under concentrated loads. Luckily EN 1993-1-5 gives us a decent solution for webs under concentrated loads!

11 January 2021

Buckling length of a column with a variable cross-section

A varying cross-section is a nightmare in buckling calculations. Designer has to either make some assumptions… or use other methods of establishing buckling capacity.

31 August 2020

What is Buckling Analysis

Buckling Analysis is an FEA routine that can solve all the difficult buckling problems that cannot be solved by hand calculations. There are many "traps" and options in analyzing buckling... let's analyze them!

20 August 2019

Flow Chart: Do I need contact

Contact is a pain, and I totally understand that you may want to avoid it! This is why I've created this flowchart! It will help you to make a decision, but it's also a good reason to discuss some more in-depth things!

12 April 2018

Flow Chart: Do I need nonlinear material?

Linear material is great, but it's just not enough in many situations. Depending on your model, you may have to use different material nonlinearities, and this flowchart will guide you in making the choice!

8 March 2018

Flow Chart: Do I need nonlinear geometry?

This Nonlinear Flow Chart will help you to decide whether you need nonlinear geometry in your model! You will also learn a lot about it in the post, so give it a try!

6 February 2018

Design for stress, strain or rigidity?

When you will run an analysis you will get outcomes, and it's only up to you to decide what you will do with them. Should you check stresses, or maybe strains are more important? Read on to learn more!

14 November 2017

Few thoughts on FEA projects

When I do an estimate I usually add around 100% of the time for unforeseen problems. It is incredible, how often you find unforeseen issues on your way!

6 November 2017

Member design in FEA

Member design in FEA can be a tricky task. Learn about different options you have and save a lot of your time with proper tools!

31 October 2017

Buckling length in sway and non-sway structures

There is one serious difficulty in buckling lengths: you need to know if your structure is a "sway" or "non-sway" structure... or something in between!

31 August 2017

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