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University of Twente Publications (63.542 recursos)

University of Twente Repository provides publications of UT scientific staff, in many cases full text and publicly available.

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Mostrando recursos 1 - 20 de 13.980

  1. A Simple Multiscale Model for Granular Soils with Geosynthetic Inclusion

    Cheng, H.; Yamamoto, H.; Guo, N.; Huang, H.
    Due to the heterogeneity and anisotropy caused by geosynthetic inclusions, the design of geosynthetic-reinforced geostructures has been largely empirically-based. The presence of geosynthetic reinforcement complicates the stress history and fabric characteristics of the reinforced soil, posing an obstacle to the development of constitutive models for geosynthetic-reinforced soils. To circumvent this difficulty, we employ a simple multiscale model based on a coupled FEM/DEM approach. The displacement in granular soil domain is solved in the hierarchical multiscale framework, while the geosynthetic inclusion that prescribes the boundary conditions are modeled concurrently by discrete bar elements. The responses of both multiscale domains are communicated...

  2. Nature-based flood protection: the efficiency of vegetated foreshores for reducing wave loads on coastal dikes

    Vuik, V.; Jonkman, S.N.; Borsje, B.W.; Suzuki, T.
    This paper analyses the effect of vegetation on wave damping under severe storm conditions, based on a combination of field measurements and numerical modelling. The field measurements of wave attenuation by vegetation were performed on two salt marshes with two representative but contrasting coastal wetland vegetation types: cordgrass (Spartina anglica) and grassweed (Scirpus maritimus). The former is found in salty environments, whereas the latter is found in brackish environments. The measurements have added to the range with the highest water depths and wave heights presented in the literature so far. A numerical wave model (SWAN) has been calibrated and validated...

  3. Becker-Döring model for non-equilibrium steam condensation in a supersonic nozzle

    Hagmeijer, R.; Weide, E.T.A. van der; Kalikmanov, V.I.

  4. A novel way to determine sound absorption, sound transmission and sound power

    Wijnant, Y.H.; Ho, J.; Consten, N.; Jong, J.A. de

  5. Drag, lift and effective angle of attack from the wake of an airfoil in the open-jet windtunnel

    Faleiros, D.E.; Tuinstra, M.; Hoeijmakers, H.W.M.

  6. Numerical Investigation of an Axial Oil-Water Swirl Separator

    Hospers, J.M.; Hoeijmakers, H.W.M.

  7. Experimental Study on Aerodynamic Load Control using Synthetic Jet Actuators

    Berk, T.A.; Hoeijmakers, H.W.M.

  8. Computational and experimental investigation into flapping wing propulsion

    Hoeijmakers, H.W.M.; Mulder, J.L.

  9. Improving airfoil drag prediction

    Ramanujam, G.; Ozdemir, H.; Hoeijmakers, H.W.M.

  10. Eulerian trajectory method and impingement model for non-spherical ice crystals

    Norde, E.; Weide, E.T.A. van der; Hoeijmakers, H.W.M.

  11. Eulerian method for in-engine icing: with application to ice crystal trajectories and impact in a generic turbofan compressor

    Norde, E.; Weide, E.T.A. van der; Hoeijmakers, H.W.M.

  12. Numerical Computation of Gust Aerodynamic Response for Realistic Airfoils: Application of Amiet's Theory

    miotto, R.F.; Wolf, I. de; Santana, L.

  13. Numerical simulation of the accumulation of heavy particles in a circular bounded vortex flow

    Ku, X.; Lin, J.; Sint Annaland, M. van; Hagmeijer, R.

  14. On weak and strong contact force networks in granular materials

    Kruyt, N.P.

  15. A micromechanical study of dilatancy of granular materials

    Kruyt, N.P.; Rothenburg, L.

  16. A challenge to cavitation modeling in the outlet of an EHL contact

    Emden, E. van; Venner, C.H.; Morales-Espejel, G.E.

  17. Effects of Material Heterogeneity on Surface Fatigue for Rough Lubricated Rolling-Sliding Contacts

    Morales-Espejel, G.E.; Boffy, H.; Venner, C.H.

  18. Computational Design Synthesis of reconfigurable cellular manufacturing systems: a design engineering model

    Unglert, J.M.; Jauregui Becker, J.M.; Hoekstra, S.

  19. AMDesigner: An architecture modeling tool for the use in multi-disciplinary design projects.

    Rajabalinejad, M.; Bonnema, G.M.

  20. Towards Decision-support for Reconfigurable Manufacturing Systems Based on Computational Design Synthesis

    Unglert, J.M.; Hoekstra, S.; Jauregui Becker, J.M.; Houten, F.J.A.M. van

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