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Manual DIRAC

31

1 Getting Started

1.1 About DIRAC and this user manual
1.2 Downloading DIRAC Software
1.3 Licensing and general support
1.4 System requirements & release notes
1.5 Trial license
1.6 Demo project

2 Quick Reference

2.1 Modules & campaigns
2.2 General tips & tricks
2.3 Keyboard commands

3 Technology

3.1 Virtual Points: a brief overview
3.2 Multi-hammer merge

4 Prepare Module

4.1 Module overview
4.2 Prepare widgets
4.3 Geometries
4.4 Sensors and impacts
4.5 Virtual Points
4.6 Virtual Point quality
4.7 Using the photo viewer

5 Measure Module

5.1 Module overview
5.2 Measurement wizard
5.3 Measurement execution: impact locations card
5.4 Reviewing data: graphing card
5.5 Measurement control: hardware card
5.6 Troubleshooting: scope card

6 Data Import Module

6.1 Data module and importing files

7 Analyze Module

7.1 Module overview
7.2 Using the measurement matrix
7.3 Information in the Validate card
7.4 Operational Deflection Shapes
7.5 Power user tips

8 Export

8.1 Export options

Manual SOURCE

34

1 Getting Started

1.1 About SOURCE and this User Manual
1.2 Downloading SOURCE Software
1.3 Licensing and general support
1.4 System Requirements & release notes
1.5 Trial license

2 Quick Reference

2.1 Modules
2.2 Working with SOURCE
2.3 Test Assemblies

3 Technology

3.1 SOURCE & Transfer Path Analysis (TPA)
3.2 SOURCE & Source Characterization
3.3 SOURCE & Virtual Point: a brief overview

4 Plotting

4.1 Plot types
4.2 Setting the plot style and spectrum options
4.3 Data selection
4.4 Data averaging
4.5 Setting the axes limits
4.6 Plot legends
4.7 Exporting plots

5 Project Module

5.1 Module Overview

6 Operational Data Module

6.1 Module overview
6.2 Loading operational data
6.3 Reviewing operational data
6.4 Using segments & sequences
6.5 Channel mapping

7 FRF Data Module

7.1 Module overview
7.2 Loading FRF data
7.3 Plotting FRF data
7.4 Channel mapping

8 Channel Mapping

8.1 General overview on channel mapping
8.2 Setting channels as Master channels and editing channels
8.3 Mapping channels

9 Analyze Module

9.1 Module overview
9.2 Creating an analysis
9.3 Viewing results

Manual Toolbox for MATLAB

14

1 Getting Started

1.1 About the Toolbox for MATLAB
1.2 Downloading Toolbox for MATLAB Software
1.3 Licensing and general support
1.4 Trial license
1.5 Basic commands
1.6 Working with VIBES objects

2 Working with the Toolbox

2.1 Nodes, DoFs and channels
2.2 Dataset classes
2.3 Plotting of time data
2.4 Plotting of spectral data
2.5 Using the 3D environment

3 Examples and Tutorials

3.1 Signal processing: vehicle measurement
3.2 Dynamic Substructuring of two substructures
3.3 Component Mode Synthesis of a building

VIBES Methodology

25

Intro to our Methodology

Intro to the VIBES Methodology
What is NVH?
Modeling Domains

Virtual Point

Why use Virtual Points?
Mathematics behind Virtual Points
Evaluating the quality of your model
Measuring Virtual Points in practice
Interfaces: 3-DoF versus 6-DoF
Virtual Point modeling in DIRAC

Transfer Path Analysis

General framework for TPA
Classical TPA
Component-based TPA
Transmissibility-based TPA

Blocked Force Characterization

The basics
Mathematics behind Blocked Forces
Blocked Forces vs Interface Forces
Methods to determine Blocked Forces
Methods to determine interface forces
Evaluating Blocked Force quality

Dynamic Substructuring

Modeling Domains
Basics of Substructuring Assembly
Substructuring methods
Transmission Simulators & decoupling
Rubber bushing identification using DS
Combining test-based models with FE models

Publications

4

Transfer Path Analysis
Dynamic Substructuring
Virtual Point
Blocked Forces

Webinars and Videos

5

Webinars
Videos DIRAC
Videos SOURCE
Videos Toolbox for MATLAB
Videos VIBES Methodology

Home
Academy
VIBES Methodology
Blocked Force Characterization

Blocked Force Characterization

The basics
Mathematics behind Blocked Forces
Blocked Forces vs Interface Forces
Methods to determine Blocked Forces
Methods to determine interface forces
Evaluating Blocked Force quality

We are engineers at heart. A shared passion for structural engineering brought us together at Delft University of Technology.

Contact

+31 85 744 09 70
info@vibestechnology.com

Molengraaffsingel 14
2629 JD Delft, Netherlands

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Academy
Products
Cases & Implementation
News
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Contact

+31 85 744 09 70
info@vibestechnology.com

Molengraaffsingel 14
2629 JD Delft, Netherlands

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