Sir thank you so much for sharing this video. I have a request to you: Could you please share the slides of your lectures? It will be really helpful. Thank you.
ELF is static procedure in its nature, it utilizes the height of the structure and distribute forces in inverse triangle manner . It does not consider the Mass proportion of the structure( Response spectrum method does). e.g if there is irregularity of mass in bottom storeys lets say it is a library or storage e.t.c , ELF will not consider that irregularity in mass. ( but it should according to F=ma) and will distribute the forces. Whereas RSA is dynamic in natures and utilizes Mass portions y Modal Mass analysis.......ELF should be used in Symmetrical and Regular structures .
