Thanks Dave for your answer. I came to know that few samples were tested earlier at fixed frequency to reproduce a failure some time back. It is a destructive test. Now we are validating the new samples.
Pras
I want to validate a solenoid for vibration testing. We use 2 types of vibration tests 1. Test at fixed Frequency and apply the g-levels step wise increasing for 20 million cycles.
2. Random vibration Testing for some fixed number of hours.
My question is, Is it better to use 2 different sets of...