Sökning: "Heydar Beygi"

Hittade 2 uppsatser innehållade orden Heydar Beygi.

  1. 1. Impact of irrigation development and climate change on the water level of Lake Urmia, Iran

    Master-uppsats, Stockholms universitet/Institutionen för naturgeografi

    Författare :Heydar Beygi; [2015]
    Nyckelord :Lake Urmia; irrigation; land use change; climate change; evaporation;

    Sammanfattning : Lake Urmia, located in the north-west of Iran, is one of the largest hypersaline lakes in the world. In recent years, there has been a significant decrease in the lake’s area and volume by 88% and 80% respectively. LÄS MER

  3. 2. Vibration Control of a High-Speed Railway Bridge Using Multiple Tuned Mass Dampers

    Master-uppsats, KTH/Bro- och stålbyggnad

    Författare :Heydar Beygi; [2015]
    Nyckelord :Tuned mass dampers; Dynamic analysis; high-speed railway bridge; Banafjäl bridge;

    Sammanfattning : In the current thesis, the Banafjäl Bridge located on the Bothnia line (Botniabanan) in northern Sweden was studied. The bridge is a 40m long composite ballasted high-speed railway bridge. A 3D FE model of the bridge was developed using a commercial FE software, Abaqus. The FE model was calibrated against the measured data of the bridge. LÄS MER