Basics 5 min read
Theory – Acoustic Waves
Wave Propagation A primitive wave released at the AE source is illustrated in the figure right. The displacement waveform is…
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Business Analysis 3 min read
Example ─ Withdrawal Use-Case
The goal of a customer in relation to our money vending machine (ATM) is to withdraw money. So, we are…
Business Analysis 1 min read
Drawing Use-Case Diagrams
The Figure below shows, what a use-case might look like UML schematic form. The usecase itself looks like an oval.…
Business Analysis 1 min read
Use-Case Diagrams
An important part of the Unified Modeling Language (UML) is the facilities for drawing usecase diagrams. Use-cases are used during…
Business Analysis 3 min read
Use-Case Definition
The following are the definitions of the key concepts of Use-Case − Actor An actor is a person or other…
Business Analysis 2 min read
Guidance for Use-Case Template
Document each use-case using the template given in the end of this chapter. This section provides a description of each…
Business Analysis 2 min read
Business Analysis – Use-Cases
One of the nine diagrams of UML’s are the Use-case Diagram. These are not only important but necessary requirement for…
Basics 5 min read
Theory – AE Sources
As mentioned in the Introduction, acoustic emissions can result from the initiation and growth of cracks, slip and dislocation movements,…
Business Analysis 2 min read
Software Requirements Specification
A Software Requirements Specification (SRS) is a document, which is used as a communication medium between the customers. A software…
Basics 2 min read
A Brief History of AE Testing
Although acoustic emissions can be created in a controlled environment, they can also occur naturally. Therefore, as a means of…
Business Analysis 1 min read
Who is a Business Analyst?
A business analyst is someone who analyzes an organization or business domain (real or hypothetical) and documents its business, processes,…
Basics 2 min read
Introduction to Acoustic Emission Testing
Acoustic Emission (AE) refers to the generation of transient elastic waves produced by a sudden redistribution of stress in a…
