constant amplitude load

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  • Last Post 27 June 2019
Rifaat93 posted this 27 June 2019

hello

I am modelling a concrete cylinder that is pressured dynamically  with a load that has a constant amplitude 
Smaximum is 70% of the compressive strength of the concrete and Sminimum is 5% 

Everytime i add sine function   with a frequency of for example 8 /s   it shows me a non constant amplitude in the graph when i add more steps 

  

 

it doesnt seem like 8 cycles per second  and it doesnt have a constant amplitude

Any help would be nice  

thank you

jj77 posted this 27 June 2019

 

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