Source: https://www.researchgate.net/profile/Shashi_Singh27/publication/307606165_Response_of_Flare_base_Self_supporting_Steel_stack_under_static_and_dynamic_wind_loads_with_variable_wind_speed/data/57cd284608ae59825185e20a/Response-of-Flare-base-Self-supporting-Steel-stack-under-static-and-dynamic-wind-loads-with-variable-wind-speed.pdf