Dnv Phast Tutorial Updated ~upd~ <BEST – Walkthrough>

Report: Updated Tutorial and New Features in DNV PHAST Date: [Current Date] Prepared for: Process Safety Engineers / Risk Analysts Subject: Review of the latest tutorial enhancements and software updates for DNV PHAST. 1. Executive Summary The latest updates to DNV PHAST (versions 8.9 – 9.x) have introduced significant changes to the user interface, consequence modeling algorithms, and the official tutorial materials. The updated tutorials now emphasize 3D visualization , batch processing , and integration with Safeti . Users upgrading from legacy versions (v6.x) will require retraining on the new Unified Modeling Environment . 2. Key Software Updates (Relevant to Tutorials) The official DNV tutorials have been rewritten to cover the following major changes: | Feature | Old Method (Pre-v8) | Updated Method (v9.x Tutorials) | | :--- | :--- | :--- | | User Interface | Multiple separate windows | Single Ribbon-based interface (MS Office style) | | Atmospheric Dispersion | Simple Pasquill stability | Updated McMullen & OGP correlations | | Jet Fire Modeling | Single point calculation | Multi-segment extended jet flames | | Pool Evaporation | Constant area | Time-varying pool diameter with bund walls | | 3D Output | External viewer | Integrated OpenGL 3D Risk Viewer | 3. Updated Tutorial Modules The official DNV training curriculum (PHAST - P001) has been restructured into the following updated modules: Module 1: Interface & Project Management

New Topic: Setting up the Study Tree vs. old Scenario Manager . Tutorial Exercise: Creating a Compound Scenario (e.g., continuous leak + instantaneous BLEVE).

Module 2: Discharge Modeling

Updated Equations: Real-fluid thermodynamics vs. ideal gas (significant for LNG and high-pressure CO2). Tutorial Example: Modeling a two-phase flashing leak through a hole of variable diameter. dnv phast tutorial updated

Module 3: Dispersion & Flammability

New Feature: Time-varying release rates (not just constant). Tutorial Walkthrough: Plotting Lower Flammability Limit (LFL) distance vs. time to find the max envelope .

Module 4: Fire & Explosion

Updated: Multi-energy Method (MEM) for vapor cloud explosions (VCE). New Tutorial: Linking a dispersion run directly to a Pool Fire radiation contour.

Module 5: 3D Visualization & Export

Tutorial Focus: Exporting hazard contours to Google Earth (KMZ) or GIS shapefiles . Report: Updated Tutorial and New Features in DNV

4. How to Access the "Updated Tutorial" If you have a valid DNV license, you can find the updated tutorials via:

Inside the Software: Help &gt; Tutorials &gt; Getting Started (Updated 202x) . DNV Training Portal: https://www.dnv.com/training (Search: PHAST – Process Hazard Analysis Software Training – Course code: PHAST-O-001). Sample Files: Installation directory typically: C:\Program Files\DNV GL\PHAST 9.x\Samples\Tutorials\