Topic 1: Digital Twins
Development of Digital Twin Technology
Real time simulation and modeling
Interactive digital twin platform
Application of Data Mining and Analysis
The Application of Digital Twins in Industry
System level digital twin architecture
Feedback Control and Optimization
The combination of digital twins and the Internet of Things
Engineering Practice of Combining Reality and Reality
Digital Twin and Artificial Intelligence
Lifecycle Management and Digital Twin
Cloud Manufacturing and Digital Twin
The Challenge of Digital Twins
The application of digital twins in the field of transportation
Precision Manufacturing and Digital Twin
Topic 2: Cloud Computing
Big data cloud and grid computing
Cloud application architecture
Scalability and availability of cloud applications
Cloud application performance and monitoring
Cloud computing and semantic web technology
Cloud computing architecture and systems
Cloud computing models, simulations, designs, and paradigms
Models and tools for intelligent computing
Cloud computing technology, services, and applications
Cloud middleware framework
Cloud optimization and automation
Cloud resource virtualization and composition
Cloud solution design pattern
Distributed and point-to-point search
Infrastructure and Platform for Intelligent Computing
Topic 3: Computational Modeling and Simulation
Modeling Tools and Languages
Modeling and simulation methods
Visual and Visualization Technology
Perception issues in visualization and modeling
Mathematical and Numerical Methods in Simulation and Modeling
Simulation algorithm 
High performance computing and simulation
Universal Computing and Simulation
Discretization and numerical simulation
Intelligent Computing and Simulation
Parallel and Distributed Computing Simulation
Real time modeling and simulation
Modeling of Chaotic Systems
Analysis and Control
Dynamic modeling and simulation
Web-based simulation 
Simulation optimization
Simulator
Intelligent System Modeling and Simulation
Modeling and Simulation of Complex Systems
Power system simulation
Environmental modeling and simulation
Computer Games and Simulation
Equipment simulation and modeling
Artificial Intelligence Simulation Technology
Robot System Simulation
Medical simulation
Modeling and Simulation of Intelligent Internet of Things Systems
Virtual Technology and Applications
Simulation Computer and Software
Digital Twin
Industrial simulation modeling
Process Engineering Modeling
Simulation and Control
Simulation and Modeling in Molecular Biology
Traffic Engineering Simulation
Aerospace System Simulation
Information Engineering Simulation
Materials Engineering Simulation
Physics based modeling and simulation
Modeling and simulation technology, other applications, etc