We investigate material characteristics of common materials and conduct quasi-static structural and collision and ground contact support, dynamic impact collisions at up to 6.5m / s impact velocity, ice-structure interactions, and tribological investigations.
Uniaxial tensile and compressive tests, notched-bar impact tests as well as 3-point and 4-point bending tests are performed to determine the material characteristics. Our cryogenic chamber also records the low-temperature behavior of materials. A variety of different machines and units are available for carrying out the test.
- Design of ships and equipment
- Collision and grounding
- Production and in-service influences on structural strength
Equipment
- Individually adjustable servohydraulic test benches with loads from 25 kN to 1250 kN (max. 4000 kN in combination)
- Free fall tower up to 6.5 m / s impact velocity
- Crane capacity up to 12 t
- Various measurement systems, including load cells, displacement transducers, strain gage measurements, TekScan pressure gauges (500 – 5000 psi), and optical measurement systems (Aramis, laser deformation measurement)
Software
- Ansys
- Abaqus
- LS-DYNA
- MARC/MENTAT
Current Projects
- The Finite Cell Method
- Simulation of Fluid-Structure Interaction for Maritime Applications
- Electro-thermo-mechanical modeling of Field Assisted Sintering Technology (FAST)
- The hierarchical finite cell method for multi-scale problems in structural mechanics
Completed Projects
- Laser welded T-Joints (Completed 2015)
- Development of assessment methods for residual stresses at site joints of large-scale steel structures (Completed 2015)
- Numerical homogenization strategies for extended continua (Completed 2012)
- BESST – Breakthrough in European Ship and Shipbuilding Technologies (Completed 2013)
- QuinLas -Quality effects on the fatigue strength of laser- and laserhybrid welded ship structures (Completed 2013)
- MARSTRUCT – Network of Excellence on Marine Structures (Completed 2010)
- Fatigue and fracture strength of block joints welded with large gaps (Completed 2010)
- Coordination Action on Assessment of Life Cycle Effects of Repairs of Tankers (Completed 2008)
- Buckling Strength of Welded HY-80 Spherical Shells: A Direct Approach within the Research Training Group (DFG) ‘Ocean Engineering Construciton’ (Completed 2004)
- Partial Project P2.1: Rational Determination of Fabrication-Related Shrinkage and Deformations
In Joint Project: WIPS – Competitiveness by Product Simulation Supported by Information Technology in Shipbuilding (Completed 2003)