Our work

Mechanical shock testing

With over 50 years of experience, TNO provides both experimental and theoretical shock expertise for a world-wide customer base. The TNO shock facilities have been developed to simulate the effect of a shock wave generated from a non-contact underwater explosion, performing tests for shipbuilders and their suppliers.

Specialised testing

TNO has three specialized shock testing machines: vertical light-weight and vertical medium-weight machines (shown to the left), and a heavy-weight horizontal machine. Each shock machine can be tuned to our customer's individual requirement. A guideline of the maximum capabilities of each machine can be seen in the pdf document available below. The TNO shock machines are extremely versatile and can be used for qualification (see below) or research, for example, shock mount characterisation projects.

Standards

We always aim to accommodate our client's specific requirements, which can be given in terms of acceleration and pulse duration and/or shock response spectra (SRS) parameters. Our shock tables satisfy the standard NSS1, NSS2, (A)B, C and D shock zones from BR3021, BR8470 and MAP 01-470; and we can also achieve the BV0430 shock levels. Tests are validated through measurements in the time domain or, in the frequency domain, against the SRS criteria given in NATO STANAG 4141 and 4549. In the situation where the payload exceeds the capacity of our machines, the pulse duration required is shorter or longer, or the required acceleration differs from the standards stated above, we provide specific solutions.

Post-processing

State-of-the-art instrumentation is used to measure the applied shocks. Through the use of in-house software, we provide results in terms of acceleration, velocity and displacement time traces. Moreover, according to the NATO STANAG requirements, we can also validate tests through the use of SRS conditions. Furthermore, additional measurements, such as, contact bounce and material strain can be monitored during the shock event; high speed video is also a standard procedure.

Customers

Our extensive client list has included: ABB SACE; Applus; Atlas Copco; Babcock; BAE Systems Maritime; Bionet; Blohm and Voss; Blucher; Bradford Engineering; Calzoni; Consilium; DCNS; DMO; EID; EBRO; ELWA; Fapmo; Gotze; Hale Hamilton; Heinman and Hopman; Holland Hydraulics; Imtech; Johnson Controls; Luerssen Werft; MacTaggart Scott; Navantia; NFM; Parker Hannifin; Pellegrini; Renault; Rolls Royce; SAAB; Sander Navy; Santon; SAM Electronics; Sauer and Sohn; Savronik; Schunemann; SNORI; Thales; ThyssenKrupp Marine Systems; Trasfor; Vosper; Wartsila; Wellman and Whippendell Marine.

News

Marja Eijkman new Managing Director Unit Defence, Safety & Security

21 January 2020
We are pleased to announce that Ir. M.J. (Marja) Eijkman (54) will join TNO on 16 April 2020 as Managing Director of the unit Defence, Safety & Security, succeeding Henk Geveke. Mrs Eijkman has broad... Read more
News

NetForce Command: an alternative for command and control in a changing world

12 December 2019
What happens if hierarchical command and control no longer work in the hyper-connective world of tomorrow? Today, at Innovation in Defence in The Hague, one of TNO’s leading research groups presented the... Read more
News

Innovative crisis management solutions assessed in realistic simulation of a flooding scenario in The Netherlands

23 May 2019
On 22nd and 23rd May 2019, five innovative solutions were assessed in a realistic simulation of a flooding scenario in The Hague, The Netherlands. The simulation was part of a two-day tabletop DRIVER+... Read more

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