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  1. screetch82

    NX7.2 Motion Kinematics - how to display required torque for mechanis

    Hi when I have a mechanism and have everything linket up and I am displaying speed, displacement and forces in joints and on markers. How do I calculate the required torque to drive the mechanism? On the siemesn PLM NX website is a demo video of an aircraft wing mechanism for operating the...
  2. screetch82

    NX motion link around closed loop/ track

    I need some help with this. Please. Sounds simular to thread561-272861 however there was no solution mentioned as to how I can add a proper driver which always ensures a constant speed. The object is actually driven by chains however the chain is laid on s curve/ closed loop.
  3. screetch82

    NX motion link around closed loop/ track

    Hi i have a joint spline which I want to use a my loop or track. An object is defined as a link and I used to joints (Point on curve) to define the objects position on the curve. How do I now simulated the object moving along the curve with a constant speed? Norman
  4. screetch82

    3d cfd using femap or nx nastran

    Hi everybody I just started working myself into the nx nastran for femap. There is a cfd module called tmg from Maya. The program is quite new to me. I am trying to simulate the air flow produced by 2 fans in an object. In reality the air flows threw holes in the open. How do I simulate...
  5. screetch82

    solution options in flotran

    As an simple example I was thinking about a 3d pipe, which has a diameter of 14 mm (for 60 mm lenght) and is decreased to a diamter of 10 mm´. After anpother 20 mm length there is a 90 degree turn. (the measurements don't really matter. since I just want to use it for verification with an...
  6. screetch82

    3d air flow pressure driven flotran

    I have a log duct mostly a lot of cylinders with different diameters. At one end there is a compressor which has a capacity of about -0.7 bar. In front of the other there is at after certain time a chamber with a volume of air. After that time point the air is sucked out. This happens...
  7. screetch82

    solution options in flotran

    Can some help me with solution options and fluid property options in FLOTRAN for air flow? I'd really need some sample calculation as an example.
  8. screetch82

    3d air flow pressure driven flotran

    thanks alot first of all do you use flotran? since the fluid is air and the pressure difference is 0.7 bar or 70 kPa would I need to do a compressible analysis? The average pipe diameter is about 14 mm (it varies alot) The flow rate has been meassure experimentaly and is about 6 m^3 per hour...
  9. screetch82

    3d air flow pressure driven using flotran

    hello I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...
  10. screetch82

    3d cfd flotran pressure driven w vaccum

    I hope you can help me I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct...
  11. screetch82

    3d airflow pressure driven flotran

    ok I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...
  12. screetch82

    3d pressure driven air flow using flotran

    Hi there, I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...
  13. screetch82

    3d air flow pressure driven flotran

    hey, I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...
  14. screetch82

    3d air flow

    Hi, I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...
  15. screetch82

    3d pressure driven airflow w flotran

    HI I am an intern and have to to a research for a printing press manufacturer. I have to compute the air flow in a 3d duct. the duct ends with an small outlet which leads to a rotating cylinder. The cylinder has small chambers on the circumference. The outlet of the duct covers 2 of the...

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