AutoCAD is a commercial computer-aided design software first released in 1982 used to draw plans, sections, and elevations. STAAD Pro is a structural analysis and design software that supports over 90 design codes and can perform various analysis types from static to dynamic, initially released in 1997. ETABS is structural analysis and design software specifically for multi-story buildings, used to model Burj Khalifa, with the current version released in 2020.
This document provides an overview of structural dynamics and free vibration analysis of single degree of freedom systems. It defines key concepts like natural frequency, damping, and logarithmic decrement. Methods for analyzing undamped and damped free vibration are presented. Examples show how to calculate the natural frequency, time period, amplitude, and displacement as a function of time for undamped systems subjected to initial displacement or velocity conditions. Analysis of damped systems models the response as a decaying exponential function.
AutoCAD is a commercial computer-aided design software first released in 1982 used to draw plans, sections, and elevations. STAAD Pro is a structural analysis and design software that supports over 90 design codes and can perform various analysis types from static to dynamic, initially released in 1997. ETABS is structural analysis and design software specifically for multi-story buildings, used to model Burj Khalifa, with the current version released in 2020.
This document provides an overview of structural dynamics and free vibration analysis of single degree of freedom systems. It defines key concepts like natural frequency, damping, and logarithmic decrement. Methods for analyzing undamped and damped free vibration are presented. Examples show how to calculate the natural frequency, time period, amplitude, and displacement as a function of time for undamped systems subjected to initial displacement or velocity conditions. Analysis of damped systems models the response as a decaying exponential function.