November 11, 2019 at 7:05 pmtumulpurwarSubscriberCan anyone tell me procedure for applying pretension to line element(..in my case it is truss element(LINK 180).
November 12, 2019 at 3:11 ampeteroznewmanSubscriber
If you are using Mechanical Workbench, you must have more than one element along the Line Body. Use a Sizing Mesh Control to set the Number of Divisions to 2. Then use a Bolt Pretension load and turn on Large Deflection under the Analysis Settings.
December 15, 2019 at 12:44 pmtumulpurwarSubscriberHello...I would like to know...how much pretension I have to apply for my rigs(steel ropes)...to make my mast assembly stable in crazy windy weather.....I just want know general answer...in such cases how to get the pre tension load values..?
I am attaching photo to understand the situation more better
December 15, 2019 at 2:23 pmpeteroznewmanSubscriber
When the wires have zero pre-tension, the mast will move some amount for a given wind speed.
When the wires have some pre-tension, the mast will move less in the same given winds speed.
As the pre-tension is increased, the mast will move less and less.
You have to decide how much mast movement is acceptable.
However, if you increase the pre-tension too much, the mast will buckle.
You want to analyze how close to buckling the mast is for the pre-tension and the wind.
December 15, 2019 at 5:13 pmtumulpurwarSubscriber
yes right, i want to know that( how close to buckling the mast is for the pre-tension and the wind)...may i know?...thankyou for such nice reply
December 15, 2019 at 11:57 pmpeteroznewmanSubscriber
Read this section of ANSYS Help
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