Objective:

To obtain the vibration response of a 3 m long beam using a portable dynamic shaker.

Apparatus Used:

1. Digital multimeter

2. Concrete blocks

3. Steel beam

4. PZT patch

5. Portable shaker

6. Amplifier

7. Function generator

Step-1: (a) Click on add button to bring concrete blocks. Step-1: (b) Click on concrete block to place it on the position. Step-1: (c) Click on another concrete block to place it on the position. Step-1: (d) Click on add button to bring portable shaker. Step-1: (e) Click on portable shaker to place it on the position. Step-1: (f) Click on add button to bring steel beam. Step-1: (g) Click on add button to bring epoxy. Step-1: (h) Click on brush to apply epoxy on the steel beam. Step-1: (i) Click on add button to bring PZT patch. Step-1: (j) Click on PZT patch to fix it on the steel beam. Step-1: (k) Click on epoxy to send it back. Step-1: (l) Click on add button to bring wires. Step-1: (m) Click on add button to bring soldering iron. Step-1: (n) Click on black wire to place it on the PZT patch. Step-1: (o) Click on red wire to place it on the PZT patch. Step-1: (p) Click on PZT patch for zoom view. Step-1: (q) Click on soldering iron for soldering.

Step-2: (a) Click on add button to bring digital multimeter. Step-2: (b) Click on add button to bring amplifier. Step-2: (c) Click on add button to bring function generator. Step-2: (d) Click on yellow wire of amplifier to attach it with the function generator. Step-2: (e) Click on red wire of amplifier to attach it with the portable shaker. Step-2: (f) Click on black clip to attach wire with PZT wire. Step-2: (g) Click on red clip to attach wire with PZT wire. Step-2: (h) Switch on the power button of digital multimeter. Step-2: (i) Switch on the power button of function generator.

Step-3: Click on download data button.

Note:--Notice the highest peak in the graph and note it as the natural frequency.

Step-4: Calculate the natural frequency theoretically Restart