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What is Astah SysML?

Astah SysML is a desktop SysML v1 modeling application from Change Vision, Inc. for organizations adopting model-based systems engineering (MBSE). It gives engineering teams the core SysML diagrams, including requirement, block, parametric, and behavior diagrams, in a tool that new users can learn quickly. Because designs are stored as models, an update made in one place carries through to every related diagram, which keeps system documentation consistent as a project evolves. Existing models can be exchanged through XMI and with Cameo Systems Modeler. Version 11.0 includes AI Chat Copilot, which runs on your organization's own API key for OpenAI, Azure OpenAI, Claude, or Gemini, or for an OpenAI-compatible service, and local MCP server integration for connecting AI agents. Licensing is available as a 1-year license ($140) or a 1-year floating license ($270). Astah SysML runs on Windows and macOS, and a 20-day free trial is available.

What is 20-sim?

20-sim is a versatile software solution tailored for the modeling and simulation of mechatronic systems. Its user-friendly interface allows individuals to graphically create models in a manner akin to drawing engineering diagrams. By utilizing these models, users can explore and simulate the dynamics of intricate multi-domain systems while formulating control strategies. Furthermore, the software is capable of producing C-code that can be implemented on hardware, thereby supporting rapid prototyping and Hardware-in-the-Loop (HIL) simulations. With a range of features designed to enhance the modeling experience, 20-sim proves to be both efficient and accessible. It offers multiple modeling approaches, including equations, block diagrams, physics blocks, and bond graphs, catering to various user preferences. To aid in the development of models, the 20-sim editor is accompanied by a comprehensive library of building blocks and components, facilitating the efficient creation and analysis of complex systems. Overall, this software stands out as a robust tool for engineers eager to push the boundaries of innovation within the mechatronics sector, enabling seamless integration of various modeling techniques for more effective system design.

Media

Media

Integrations Supported

Azure OpenAI Service
Cameo Systems Modeler
Claude
Gemini
OpenAI

Integrations Supported

API Availability

Has API

API Availability

Pricing Information

$140/year
1-year license: $140. 1-year floating license: $270. 20-day free trial.
Free Trial Offered?

Pricing Information

€108 one-time payment

Supported Platforms

Windows
Mac
On-Prem

Supported Platforms

SaaS

Customer Service / Support

Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub

Training Options

Documentation Hub

Company Facts

Organization Name

Change Vision, Inc.

Date Founded

2006

Company Location

Tokyo, Japan

Company Website

astah.net/products/astah-sysml/

Company Facts

Organization Name

20-sim

Company Location

The Netherlands

Company Website

www.20sim.com

Categories and Features

Categories and Features

Simulation

Not specified

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