Welcome to Vibrationdata Animation Page

By Tom Irvine
Email: tomirvine@aol.com

 Click on each Image or the corrsponding link to start the animation.

 Tuning Fork Vibration Modes

 


f1 = 440 Hz

 

f2 = 693 Hz

 

f3 = 1590 Hz

Spring-Mass Single-degree-of-freedom System

Mass m = 0.71 kg
Stiffness k = 350 N/mm

Natural Frequency = 111.7 Hz

sdof_fna.avi

 Spring-Mass System with Two degrees-of-freedom

Each mass = 0.71 kg
Top spring = 175 N/mm
Bottom spring = 350 N/mm

 
Mode 1

f1 = 60.5 Hz

tdofm1.avi

 
Mode 2

f2 = 146 Hz

tdofm2.avi

Bending Modes of a Fixed Circular Plate

fixed_circular_plate_mode1.avi

fixed_circular_plate_mode2.avi

fixed_circular_plate_mode3.avi

fixed_circular_plate_mode4.avi

Response of SDOF Systems to Half-sine Pulse: HS_SRS.avi

SDOF Response to Steady-State Sinusoidal Base Excitation. Each system has 5% damping.

100 Hz system excited by 50 Hz vibration: 100_by_50.avi

100 Hz system excited by 100 Hz vibration: 100_by_100.avi

100 Hz system excited by 200 Hz vibration: 100_by_200.avi