Practical engineering philosophy

Verification
Funding.
Certification.
Sales content.
tomassab@gmail.com,
+45 50105868

Potential disaster prevented. Foundations need to hold minimum 200… up to 650… but arrived designed for 17… Designed a roof for them as well.

Final solution not delivered. Status - unknown.

AS7502 - Australian railroad standard. A few weeks for the numbers - won client funding.

Successful collaboration. Leading into reports for full certification :)

EN 51115 - is my favorite example of a “weaponized” standard. The spring will need to have a special profile (square), it will need to be custom rolled, and then pre-stressed. There is no way to satisfy the requirements of EN51115 - in any other way. They will require extreme metallurgy and manufacturing capacity to pull this one off. The requirements of this standard are very extreme.

One of those rare cases, where a client gaves the permission to share the content. Good people… Even their company pet dog has good manners. The product is now in Sweden. Compliments to the local manufacturer - for daring to enter the European market, from their own workshop, - unique local products. Awesome.

Rear Under Protection (RUPD) was put into question by reviewer afterwards. Advanced simulations required… Safe and works very well. :)

Spare time exploring... preliminary tests.

This is a "research grade" task... experimental concrete reinforcement checked on spare time. A productive, professional local team, with creative mindset - found a real life application for it later. Could not do it without them.

30h simulation- this beam explodes in the simulation, but would probably hold in real life practice (according to Eurocodes). The advanced simulations make extremely safe structures. If it holds in numerical - it will hold in reality.

I'm told this is overkill by my superiors, but... if it breaks, you can't fix it.. so they decided it would be ok for manufacturing / testing.

500 ULS cycles... EN3 compatible. Thank you for guidance team!

2tonnes heavy, 5m tall CNC machine. I am grateful for my chance to contribute a piece!

A patent I had a part in verifying. Enough time passed to show it. :)

1. Fatigue safe
2. Feel stable (not "shaky").
3. Certifiable for CE mark. — 1. Fatigue safe 2. Feel stable (not "shaky"). 3. Certifiable for CE mark.

Natural frequency depends on how the stairs are attached. The way stairs are anchored has a big impact on their ergonomic performance. And safety... wrong connection will conflict with EN requirements (any mode below 10Hz is not good, and added mass during operation must be considered).

Stress in ULS case of overloading... within fatigue limits.

Obviously manufacturing / production drawings are easy to generate... it is rather obvious, but at times needs to be mentioned.

Frame dynamic response is important when attaching sources of vibration - like engines, and moving parts. In this case a client wants to replace a 1.5t mixes with a 5t mixer.

The frequency response analysis shows high risk of resonance and the frame has to be modified.

Tuned mass dampers are Calibrated, and attached.

The resulting response shows the solution is adequate. Total work time - 24h...
The tuned mass dampers can be designed in numerous ways. Best to use industrial components... but, I can make preliminary design of pneumatic and hydraulic components too — The resulting response shows the solution is adequate. Total work time - 24h... The tuned mass dampers can be designed in numerous ways. Best to use industrial components... but, I can make preliminary design of pneumatic and hydraulic components too.

Thermal analysis

PED (Pressure equipment directive) asks for numbers. Numbers must be made for:

operation pressure
design pressure (+fatigue +thermal)
Test pressure
Rupture pressure
EN13445 is one of my favorite standards, because low risk containers are fully FEM compatible to certify :)