1. Free vibration of beam and plate
2. Forced vibration of beam and plate
3. Damage identification in beam structure based on vibration method
4. Vibroacoustic of composite structure and 3D printed panels
1. Fabrication of GFRP & KFRP flat and curved plates using VARTM method
2. 3D printing of PLA, ABS, composite plates and metastructures
Fig. 1 Semi Anechoic Chamber
Fig. 2. Experimental Modal Analysis Setup
| S.No. | Name of Equipments | Specifications | Quantity |
|---|---|---|---|
| 1. |
HP ProDesk 600 G5 MT 4CE0192ZTG |
HP ProDesk 600 G5 MT : Core i7 8th 4.8 GHz/ 1 TB SATA HDD/ 9.5 DVD-DW/ AMD® Radeon TM RX 550X 4GB FH DP+HDMI/ Window 10 Pro Pre-Loaded/ 3 Years Warranty |
01 |
| 2. |
Data Acquisition System (i) DEWE-43-A (ii) DEWESOFT-X-EDU (iii) DSI-ACC (iv) DSI-TH-K |
8 Input Channels, 24 Bit Sigma Delta, A/D Converter, Sampling Rate 204.8 kS/s with DEWE Software (Modal Analysis) and DSI Adapters. |
01 |
| 3. |
Impulse Hammer (Model No. 086C01) |
0 to 100 lbf, Sensitivity 11.2 mV/g, 1 to 10 kHz including 3 meter cable, low noise coaxial cable |
01 |
| 4. |
Miniature Accelerometer (Model No. 352A21/NC) |
Lightweight (0.6 gm), Ceramic shear ICP accelerometer, 10 mV/g, 1 to 10 kHz, Titanium Housing including 3- meter cable. |
02 |
| 5. |
Laser Displacemment Sensor
|
Working Range : 40 to 160mm Resolution : 20 µm Linearity :0.1% Light source : Laser(Red) Wavelength ; 660 nm Supply voltage : 10 to 30V DC Measuring Rate : 1500/s Response time(Resolution Mode) : <1660 µs |
01 |
| 6. | Microphone |
ICP Array free field microphone with integral preamplifier. Sensitivity : 45 mV/Pa, Inherent Noise : 29 dB Frequency Range : 20 to 10 kHz Dynamic range : >122 dB |
01 |
| 7. | Acoustic Emission (AE) Sensor |
Frequency Range : 60 kHz ~ 400 kHz Resonant frequency : 150 kHz Sensitivity peak : >75 dB |
02 |
| 8. | Pre-amplifier |
Gain : 20/40/60 dB Responce frequency : 1.3 kHz-1.2MHz Output : ± 10 V |
02 |
Fig. 3 Vacuum-assisted Resin Transfer Molding (VARTM)
