Fatigue analysis under random loading is a critical area of study that addresses the degradation of materials and structures exposed to unpredictable, cyclic stresses. Recent advancements have focused ...

Many readers probably think “black magic” describes the math involved in finding the dynamic response of a structure from random excitation. When can you be sure you have jumped through all the ...

Mr. Neill Doertenbach, Senior Applications Engineer, of Qualmark Corporation originally prepared this research paper for the 2014 RAMS conference. The classic ED vibration system has been used for ...

NOTE: Click on images or equations to make them larger. Last month’s column discussed the basics of simulating resonant or natural vibration frequencies as an introduction to performing advanced ...