Essays about: "msc nastran patran"

Found 4 essays containing the words msc nastran patran.

  1. 1. Spacecraft dynamic analysis and correlation with test results : Shock environment analysis of LISA Pathfinder at VESTA test bed

    University essay from Luleå tekniska universitet/Rymdteknik

    Author : Beata Iwona Kunicka; [2017]
    Keywords : FEA FEM; finite element analysis; finite element method; mechanical analysis; structural analysis; dynamic analysis; computational dynamic analysis of structures; shock analysis; shock environment; shock test; shock test campaign; spacecraft dynamic analysis; MSC Nastran; MSC Patran; Dynaworks; Shock Response Spectrum; SRS; space engineering; space science and technology; mechanical engineering; structural engineering; analysis optimisation; analysis parametrisation; mechanical wave propagation; shock propagation; damping; hysteretic damping; viscous damping; structural damping;

    Abstract : The particular study case in this thesis is the shock test performed on the LISA Pathfinder satellite conducted in a laboratory environment on a dedicated test bed: Vega Shock Test Apparatus (VESTA). This test is considered fully representative to study shock levels produced by fairing jettisoning event at Vega Launcher Vehicle, which induces high shock loads towards the satellite. READ MORE

  3. 2. Method Evaluation of Global-Local Finite Element Analysis

    University essay from Hållfasthetslära; Tekniska högskolan

    Author : Gabriella Ahlbert; [2012]
    Keywords : finite element method; gloabl-local; sub-modeling; superelement;

    Abstract : When doing finite element analysis upon the structure of Saab’s aeroplanes a coarse global model of mainly shell elements is used to determine the load distribution for sizing the structure. At some parts of the aeroplane it is however desirable to implement a more detailed analysis. READ MORE

  4. 3. Vibro-acoustic analysis of a satellite reflector antenna using FEM

    University essay from Institutionen för fysik

    Author : Johannes Sikström; [2011]
    Keywords : finite element method; FEM; acoustics; vibrations; vibro-acoustic; analysis; NASTRAN; PATRAN; satellite; fluid-structure; fsi; structure-acoustic; random analysis;

    Abstract : The acoustic environment generated during launch is the most demanding structural load case for large, lightweight satellite reflector antennas. The reflector is exposed to extremely high sound pressure levels originating from the structural excitation of the rocket engines and exterior air flow turbulence. READ MORE

  5. 4. Analysis of a force and moment measurement system for a transonic wind tunnel

    University essay from Blekinge Tekniska Högskola/Avdelningen för maskinteknik

    Author : Anbuman Dakshinamurthy; [2006]
    Keywords : Piezo electric sensors; Linear static analysis; Modal analysis; Bolt pretension; ANSYS; MSC Nastran Patran;

    Abstract : Low eigenfrequency force and moment measurement systems used for aero-elastic wind tunnel investigations of airplane wing models have been found prone to resonance at dynamic loading. A new suggested design characterized by having high eigenfrequencies and believed suitable for measurements in such experiments is analyzed in the present work. READ MORE