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  • Users: Gowrath
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  1. Gowrath

    Waveguide power

    Hello, I am not an electrical engineer, so please be patient with me. I'm trying to simulate a waveguide with a dielectric material load. I've set a source power of 1 W. The waveguide cross section area is 84 cm^2 If I plot the electric and magnetic fields along the cross-section of the...
  2. Gowrath

    Weld Stress Analysis

    I've analyzed a jib crane design analytically and via FEA. The FEA results do not match up with the analytical calculations. For example, when analyzing this connection between a piston and a post: I assumed this weld pattern: with the welds being 9 mm fillets. The connection is loaded...
  3. Gowrath

    Weld Modeling

    I am analyzing weld stresses during vibration for fatigue. The mesh consists of shell elements. When modeling fillet welds, I set the weld size to half the actual weld size, to simulate a mid-surface. I set the weld elements thickness to the effective throat size: The weld is modeled using...
  4. Gowrath

    Clamp load hole stress

    I've modeled a rectangular tube being clamped via a pretensioned bolt: The tube is 10 mm thick (steel) and is fixed at one end. The pretension force is 50 kN. I also modeled a 50 kN nodally-distributed force on the washers of another connection, to compare the results: The contacts between the...
  5. Gowrath

    Forced Vibration System Response

    I designed a spring and mass system (damping unknown) that is vibrated by applying a sinusoidal force to the mass using an electrodynamic shaker. The mass is estimated to be 100 Kg. The spring is actually 4 springs, each with a k value of 63.55 N/mm, supporting a platform (one spring at each...

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