Rincent ND Technologies Minidyn User Manual Page 3
Table of content
1
Minidyn description ...................................................................................................... 5
1.1
Hardware description .............................................................................................................. 5
1.2
Specifications ........................................................................................................................... 8
1.3
Transport ............................................................................................................................... 10
1.
Drop weight swap .................................................................................................................. 10
1.5
Acquisition case ..................................................................................................................... 11
1.5.1 Description ......................................................................................................................... 11
1.5.2 Power-on and power-off .................................................................................................... 12
1.5.3 Charge ................................................................................................................................ 13
1.6
Measurement ........................................................................................................................ 1
1.6.1 Preparation ........................................................................................................................ 1
1.6.2 Make a test point ............................................................................................................... 1
1.7
Precaution of use ................................................................................................................... 16
1.7.1 Load cell ............................................................................................................................. 16
1.7.2 Weather ............................................................................................................................. 16
2
Modulus calculation.................................................................................................... 17
2.1
Modulus calculation steps ..................................................................................................... 17
2.2
Stiffness calculus algorithms .................................................................................................. 18
2.2.1 Max method ....................................................................................................................... 18
2.2.2 Integral method ................................................................................................................. 18
2.2.3 Method comparison ........................................................................................................... 20
2.3
Boussinesq formulae ............................................................................................................. 20
2.
Correlation algorithms ........................................................................................................... 21
2. .1 Linear correlation ............................................................................................................... 21
2. .2 Exponential correlation ...................................................................................................... 22
3
Minidyn software for Android .................................................................................... 23
3.1
Installation and first launch ................................................................................................... 23
3.1.1 Installation ......................................................................................................................... 23
3.1.2 Bluetooth pairing ............................................................................................................... 23
3.1.3 Fist launch .......................................................................................................................... 2
3.2
Main interface ....................................................................................................................... 25
3.3
Settings .................................................................................................................................. 25
3.3.1 Modulus tab ....................................................................................................................... 26
3.3.2 Acquisition configuration ................................................................................................... 26
3.
Data managements ............................................................................................................... 27
3.5
Project and report ................................................................................................................. 28
3.5.1 Project ................................................................................................................................ 28
3.5.2 Report ................................................................................................................................ 28
3.6
Make measurements ............................................................................................................. 29
3.6.1 Test measurements ............................................................................................................ 29
