## 5.1. Vista AFD Workflow

The fan design calculation involves two mandatory steps (a meanline calculation and a design calculation) and one optional step (an analysis calculation).

The workflow in Vista AFD is illustrated by Figure 5.1: Principle of Operation Flowchart.

Figure 5.1: Principle of Operation Flowchart

Begin by creating a Vista AFD system.

Figure 5.2: Vista AFD System

Details of the calculations are provided in the following sections:

- Meanline Calculation
- Design (Throughflow) Calculation
- Analysis (Throughflow) Calculation

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