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Today, simulation and analysis technology is regarded as extremely important technology in the design of various processes. With the recent advancement in computer technology, computing speed has increased significantly, leading to an improved usage environment. Chiyoda employs various simulation and analysis technologies in each design phase to offer high precision design. Simulation and analysis technologies are advancing rapidly. Chiyoda Group’s ChAS (Chiyoda Advanced Solution) is playing an advanced role in improving and developing these technologies.

Examples of Simulation and Analysis Technologies

• Regular Process Simulation
  This technology calculates material and heat balances, which constitute the basis of plant design, and offers engineering data necessary for equipment and piping design.
• Reaction Modeling/Analysis
  In processes containing reactions, reactor design is important. In new development processes, Chiyoda creates reaction models based on experimental data and performs reaction rate analysis for optimal reactor design.
• Heat Utilization Analysis
  Pinch technology and other analysis technologies are essential to energy analysis. Chiyoda adopted pinch technology for its energy-saving analysis early on and established an energy analysis technique for not only individual plants, but also industrial complexes.
• Dynamic Simulation
  In order to design plant control systems and ensure plant safety, it is extremely important to recognize plant behavior when the plant is started up or shut down or failure occurs and then to reflect the recognized behavior in the plant design. Today, it has become possible to create a dynamic model of major equipment and study it from various aspects. This technology has been used in training simulators for operation support and personnel development.
• CFD (Computational Fluid Dynamics) Analysis
  This numerical analysis/simulation technology, which has advanced significantly along with improved computer performance, makes possible the observation of fluid dynamics using solutions to fluid dynamic equations and is commonly used to verify the design of important plant areas, analyze trouble in existing plants, and improve their performance.
• Structural Analysis/Technology
  This technology is frequently used to verify structural strength with the FEM (Finite Element Method), etc. in the design phase of equipment and piping. The recent advancement of this technology has made the high-precision analysis of complicated structures possible.

Chiyoda offers various simulation and analysis technologies, including several not mentioned above, which are used where most needed in the planning, design, construction, operation, and maintenance phases.