DWSIM Cloud API

A Command-Driven Headless Simulation Engine built on top of DWSIM, exposed via a robust ServiceStack Web API.

Overview

This project transforms the standalone DWSIM process simulator into a scalable, cloud-ready service. By wrapping the DWSIM headless engine in a ServiceStack message-based architecture, we provide a reliable "Command-Driven" pattern for simulations. This API enables external systems to instantiate flowsheets, manipulate states via discrete commands, and stream solver logs in real-time.

Architecture

• Simulation Engine: DWSIM Automation / Interfaces
• API Framework: ServiceStack (.NET)
• API Pattern: Message-Based / Command-Driven DTOs
• Real-Time: Server-Sent Events (SSE) for streaming solver progress
• Clients: Auto-generated typed clients for C#, TypeScript, Python, etc.

Structure

• DWSIM.WebApi/: The main ASP.NET Core / ServiceStack host.
• DWSIM.Automation/ & DWSIM.Interfaces/: The underlying simulation logic from DWSIM.

Getting Started

To run the Cloud API MVP locally:

cd DWSIM.WebApi
dotnet build
dotnet run

Once running, navigate to the ServiceStack UI to explore the available endpoints, view session states, and test commands via the built-in Locode interface.