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Advanced thermodynamics software

To increase operational efficiency, Multiflash^® , a comprehensive PVT (Pressure, Volume, and Temperature) modeling and physical properties software, empowers engineers to predict the phase behavior and transport properties of complex fluids in oil and gas, refining, petrochemical & polymer, energy, and process industries.

Thermodynamics and Physical Properties for Net Zero

Fluid modeling is carried out at various stages in design and operations. However, the lack of appropriate models and consistency across disciplines often causes delays, uncertainties, and costly mistakes. While this situation leads to excessive CAPEX/OPEX, it may also cause health and safety hazards and catastrophic damages to facilities.

Multiflash supports your organisation along its digital transformation and transition journey toward net zero by:

Accurately predicting phase behavior increasing operational efficiency.

Seamlessly integrating with other modeling tools providing effective collaboration.

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For those looking to download on a laptop, the landscape has changed significantly. As of December 15, 2025 , Meta officially discontinued its native desktop applications for both Windows and macOS .

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While you can no longer find a dedicated installer on the Microsoft Store or Mac App Store, you can still achieve a "desktop-like" experience using alternative methods. 1. The Best Alternative: Use Messenger as a PWA For those looking to download on a laptop,

Your messages instantly sync between your laptop and the mobile app. Comparison: Web Version vs. Former Desktop App Web/PWA Version Former Desktop App Notifications Browser-based (must be enabled) Native System Notifications Performance Lighter on system resources Heavier (often based on Catalyst or Electron) Availability Always Available Discontinued Dec 2025 Setup Immediate (via browser) Required download/install Why did the desktop app shut down? While you can no longer find a dedicated

In : Click the three dots (...) > Apps > Install this site as an app .

Real Fluids

Anticipate the phase behavior and transport properties of highly non-ideal fluids across the chemical, petrochemical, and oil and gas industry, from the reservoir to refinery.

Flow Assurance

Accurately forecast the risks associated with the formation of pure solids, hydrates, wax, and asphaltenes while assessing mitigation or remediation strategies.

Embedded Applications

Integrate the threadsafe Multiflash PVT engine in workflow, software, or hardware solutions through the standard Cape-OPEN interface, native EXCEL® plugin, or standard APIs.

Asset Integrity

Predict the partitioning and phase behavior of hazardous substances to help asset integrity engineers and production chemists manage the risks to facilities.

Reservoir PVT Modeling

Characterize petroleum fluids through compositional or black oil data, and tune equations of state and physical properties models through PVT experiments.

Our expert on Multiflash

"Over the 30+ years of its development and market presence, Multiflash has established itself as one of the standards in PVT modeling across the process industry. The specialization and accuracy of predictions in applications such as flow assurance or process modeling have traditionally driven the evolution of the software. More recently, energy transition and digitalization have started to cause a shift in the focus of oil & gas, and process industries. Multiflash is at the forefront of this transition, with new applications and models, as well as innovative and more performative ways to access its capabilities across disciplines and platforms, to provide engineers with a truly unique solution for their needs of accurate predictions of phase behavior and physical properties."

Hot! Download Messenger Laptop ◆ < Working >

Advanced thermodynamics software

Thermodynamics and Physical Properties for Net Zero

Multiflash PVT Modeling Software Benefits