When performing dynamic analysis of a structure, the time factor comes into play, meaning that acceleration, velocity and displacement in the equation of motion are functions of time. This makes the equation of motion a second order ordinary differential equation for which only a numerical solution is possible. There are several methods to solve this problem and two of these important and widely used approaches are explicit and implicit methods. In this video, we talk about each of these two methods, their differences and when to use which one to perform a successful dynamic analysis without convergence problems.

00:00 – Introduction
01:19 – Equation of motion in dynamic analyses
02:10 – Time integration or time step
02:35 – Implicit time integration method
04:16 – Explicit time integration method
05:23 – Explicit solution cycle
07:31 – Comparison of explicit and implicit time integration methods
08:32 – When should the explicit time integration method be used?
09:09 – Typical industrial applications of the explicit time integration method

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