Essays about: "static mass"

Showing result 21 - 25 of 59 essays containing the words static mass.

  1. 21. Does a Tailored Nine-week Training Intervention Improve Jump Height, Single-leg Stability, and Whole-body Stability Performance in Young Cross-country Skiers?

    University essay from Umeå universitet/Avdelningen för idrottsmedicin

    Author : Frank Rizzo; [2020]
    Keywords : Vertical ground-reaction forces; rate of force development; core stability; full-body test; balance; Olympic winter sport;

    Abstract : The purpose of this study was to investigate if a nine-week training intervention composed of different mobility and stability exercises intending to improve jump height, whole-body stability, and single-leg stability of junior cross-country skiers. It was also of interest to see if the test equipment could determine the study participants' potential risk of injury with a built-in injury predictor measurement, Musculoskeletal Health (MSK). READ MORE

  3. 22. Assessment of static performance of LKAB´s welded mesh : Laboratory testing and analysis

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Fredrik Eriksson; [2020]
    Keywords : ;

    Abstract : Surface support is an areal support, which is installed on rock excavation surface to prevent bulking of rock mass and retain loose rock fragments. Welded wire mesh is one type of surface support. Literature study indicates that there is a wide range of testing methods on mesh. READ MORE

  4. 23. Methods for including stiffness parameters from reduced finite element models in simulations of multibody systems

    University essay from Uppsala universitet/Fasta tillståndets elektronik

    Author : Christoffer Fjellstedt; [2019]
    Keywords : model order reduction; lumped element methods; lumped parameter methods; robotics; robot mechanics; simulations; constrained multibodies; Dymola;

    Abstract : Two methods using lumped element (lumped parameter) methods to model flexible bodies have been presented. The methods are based on the concept of using a Guyan reduced stiffness matrix to describe the elasticity of a body. READ MORE

  5. 24. Variations in dynamic properties of a steel arch footbridge : An experimental study

    University essay from KTH/Bro- och stålbyggnad

    Author : Martin Földhazy; [2018]
    Keywords : Damping ratio; Natural frequencies; Temperature; static mass; Human structure interaction;

    Abstract : This study separately investigates how temperature as well as two real load-situations affects the modal damping ratio and natural frequencies of a 64.9m span steel arch footbridge. Measurements of acceleration have been completed which covers a temperature span of  to . READ MORE

  6. 25. Topology Optimization of Turbine Manifold in the Rocket Engine Demonstrator Prometheus

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Filip Jensen; [2018]
    Keywords : Additive Manufacturing; Prometheus; Rocket Engine; Topology Optimization;

    Abstract : The advantages of Topology Optimization (TO) are realized to a large extent due to the manufacturing freedom that Additive Manufacturing (AM) offer, compared to more conventional manufacturing methods. AM has the advantage of manufacturing shallow and complex structures previously not possible, and consequently opens up a whole new design spectrum. READ MORE