Internship | Scaling of human injury tolerances for vertical impact loads induced by explosive threats
What will be your role?
In modern warfare mines and Improvised Explosive Devices (IED’s) pose a serious threat against the occupants of military vehicles. The shock caused by an explosion under a vehicle, a so-called Underbelly Blast (UBB), has a high potential for significantly injuring the vehicle occupants.
The NATO standard STANAG 4569 requires that the injury risk of these occupants is assessed using a full scale vehicle test. During such test a 50th percentile Hybrid III Anthropomorphic Test Device (50th HIII) is used to simulate an average human male inside the vehicle.
The 50th HIII represents the 50th percentile male occupant and was originally developed for automotive frontal crash conditions. However, the main loading direction of an UBB is vertical. Successive NATO research task groups have developed injury criteria and tolerances for the 50th HIII under these vertical load conditions using automotive and aviation references.
However, modern military vehicles, especially troop carriers, transport a wide range of passengers varying from small females to large males. This even includes civilians. Because of this, there is a demand for injury risk predictions for non-50th percentile male occupants.
In this assignment you will be developing the injury tolerances for the 5th and 95th percentile HIII. To do so, you will be investigating the scaling techniques that can be used to scale the injury tolerances. The bases for the scaling techniques is linked to the scaling underlying the FMVSS208 standard (NHTSA standard crash assessment) and previously applied tolerances for life boats. Your focus will be on the lower leg, pelvis, lumbar and cervical spine.
You will also be evaluating and validating your results in relation to criteria and tolerances for real humans. This will be based on injury criteria available in literature and from numerical human body models.
During this project you will be collaborating with biomechanics and blast experts from TNO and from the Medical College of Wisconsin.
What we expect from you
- You are in the final phase of obtaining your Msc. degree.
- You are available for an internship of at least 6 months.
- You have a solid understanding of mathematics and biomechanics.
- You are an analytical and innovative thinker.
- Good communication skills in English are expected.
What you'll get in return
You want to work on the precursor of your career; a work placement gives you an opportunity to take a good look at your prospective future employer. TNO goes a step further. It’s not just looking that interests us; you and your knowledge are essential to our innovation. That’s why we attach a great deal of value to your personal and professional development. You will, of course, be properly supervised during your work placement and be given the scope for you to get the best out of yourself. Naturally, we provide suitable work placement compensation.
TNO as an employer
At TNO, we innovate for a healthier, safer and more sustainable life. And for a strong economy. Since 1932, we have been making knowledge and technology available for the common good. We find each other in wonder and ingenuity. We are driven to push boundaries. There is all the space and support for your talent and ambition. You work with people who will challenge you: who inspire you and want to learn from you. Our state-of-the-art facilities are there to realize your vision. What you do at TNO matters: impact makes the difference. Because with every innovation you contribute to tomorrow’s world. Read more about TNO as an employer.
The selection process
After the first CV selection, the application process will be conducted by the concerning department. TNO will provide a suitable internship agreement. If you have any questions about this vacancy, you can contact the contact person mentioned below.
For this internship vacancy it is required that the AIVD issues a security clearance (VGB) after conducting a security screening. Take into account that this process may take about 8 weeks. If you have been abroad for more than 6 consecutive months, or if you do not have the Dutch nationality, it may take longer. Please visit for more information the AIVD website.
Due to Covid-19 and the consequent uncertainties and restrictions, students who are not residing in the Netherlands may currently not be able to start an internship or graduation project at TNO.
Has this job opening sparked your interest?
Then we’d like to hear from you! Please contact us for more information about the job or the selection process. To apply, please upload your CV and covering letter using the ‘apply now’ button.