Predicting Transient Vibrations Using Ansys Mechanical — Lesson 2

Transient vibrations usually occur when a system is excited by a sudden, non-periodic excitation. The magnitude of such oscillations varies based on the type of excitation, and they occur at the system's natural frequencies. Examples include the impact of a baseball bat or cricket bat on a ball, non-destructive testing procedures, vibration monitoring techniques, and even the response of a building during an earthquake. The mode-superposition method is a good way to forecast how a structure will respond to various loads. Hence providing answers to queries related to the response's peak amplitude, timing, and time to decay. In this video lesson, we start with a short lecture and then get into a workshop example in Ansys Mechanical.

// INTERESTED IN MORE?
Visit Ansys Innovation Courses for free courses, including videos, handouts, simulation examples with starting files, homework problems and quizzes.

Visit today → https://bit.ly/3Eo8esU

// DOWNLOAD FREE ANSYS SOFTWARE
Ansys offers free student product downloads for homework, capstone projects, student competitions, online learning and more!

Download today → https://bit.ly/32eEcuR

// QUESTIONS ABOUT THIS VIDEO OR USING ANSYS?
Get help from Ansys experts and peers through the Ansys Learning Forum. Search for answers to common questions, browse discussion categories or ask your own question.

Visit today → https://bit.ly/3qsytK2

// STAY IN THE LOOP
Follow our Ansys Academic LinkedIn showcase page for updates on learning resources, events, job opportunities, cutting-edge simulation content and more!

Follow today → https://bit.ly/3Bbaaow

01:15 - Transient Excitation
01:44 - Benefits of Mode Superposition (MSUP) Method
02:12 Limitations of Mode Superposition (MSUP) Method
02:48 Definition of Impulse Load
03:12 Transient Loading Types
03:30 Base excitation
03:40 Three ways to define MSUP Transient loads
04:05 Loads applied as Stepped
04:19 Loads applied as Ramped
07:12 Setup of MSUP Transient Analysis in Mechanical
08:47 Application of excitation force in Mechanical
10:21 Post-processing of Transient results