Essays about: "modal parameters"

Showing result 16 - 20 of 59 essays containing the words modal parameters.

  1. 16. Review of Observation and SystemIdentification Techniques in a VerifiedModel of a Satellite with Flexible Panels

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Aydin Nakhaeezadeh Gutierrez; [2020]
    Keywords : Satellite Modelling; flexible appendices; Structure Monitoring; System Identification; N4SID; DUKF;

    Abstract : The demand of space applications has been increasing over the years. This has derivedin new satellites structures that required from precise and robust control management.The satellite design is evolving towards the development of lighter structures. READ MORE

  3. 17. FEM modelling of sound reduction index in partition CLT wall

    University essay from Lunds universitet/Institutionen för byggvetenskaper; Lunds universitet/Teknisk akustik

    Author : Adam Hultin; Erik Hörström; [2020]
    Keywords : Technology and Engineering;

    Abstract : Constructing buildings with wood brings many advantages, especially regarding environmental aspects, which has brought an up-rise in these types of structures. However, one of the main issues regarding wooden structures is its tendency to perform poorly acoustically in lower frequencies compared to heavier structures. READ MORE

  4. 18. EXPERIMENTAL CHARACTERIZATION AND COMPUTATIONAL DYNAMIC MODELLING OF A VIOLIN Analysing the effects of creep and string tension

    University essay from Lunds universitet/Byggnadsmekanik; Lunds universitet/Institutionen för byggvetenskaper

    Author : Joel Värelä; Erik Tunlid; [2020]
    Keywords : Violin; experimental modal analysis; modal analysis; EMA; finite element method; FEM; FE; wood; Technology and Engineering;

    Abstract : During the 17th and early 18th century Antonio Stradivari built around 900 violins, that still today are considered some of the best instruments ever created. The theories of how it was possible for a luthier active 300 years ago to create instruments of this quality are many, including unique wood properties and secret building techniques. READ MORE

  5. 19. Dynamic Analysis of an Automotive Power Transfer unit : Towards prediction of TE and housing vibrations

    University essay from KTH/Maskinkonstruktion (Avd.)

    Author : Nikhil Maharshi Kosaraju; [2019]
    Keywords : Power transfer unit PTU ; Multi-Body Simulation MBS ; Transmission Error; Gear NoiseVibration; Modal Analysis; Vinkelväxlen PTU ; Multi-Body Simulering MBS ; transmissionsfel TE ; Växelljud och vibrationer; Modal analys;

    Abstract : This work describes the use of Multi-Body Simulation (MBS) to create a virtual prototype of a geared drive called Power transfer unit (PTU). PTU is a subsystem of the all-wheel drive driveline responsible for transfer of power between front and rear axles in an Automobile. READ MORE

  6. 20. Numerical and experimental dynamic analyses of Hägernäs pedestrian bridge : Including seasonal effects

    University essay from KTH/Bro- och stålbyggnad

    Author : AIDA IBISEVIC; HASANHÜSEYIN UGUR; [2019]
    Keywords : Pedestrian Timber Arch Bridge; Seasonal Effect; Modal Analysis; Dynamic Analysis; Finite Element Method; Experiments vi;

    Abstract : Wood as a construction material has in recent years increased, in particular concerningpedestrian bridges. By utilizing wood, the ecological footprint can be reduced,and the material can be designed to comply with the increasing aesthetic demandbridge designers are facing. READ MORE