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  • What Everybody Needs to Know about CAE

    Radu Crahmaliuc
    BlogComputational Fluid Dynamics (CFD)What Everybody Needs to Know about CAE

    Computer-aided engineering (CAE) is the broad usage of computer software in analyzing and virtually testing engineering products. With a CAE tool, you can simulate, validate, and optimize products based on the results of a numerical analysis.

    CFD analysis of a ship propeller carried out with SimScale

    CAE solutions are used in a wide range of industries to analyze the robustness and improve the performance of components and assemblies. At the same time, engineering simulation is the major support for design teams in product optimization.

    Nowadays, an integration between CAD and CAE has become a necessary part of the everyday workflow for design engineers. Using the SaaS version of both solutions can reduce the differences, allowing the possibility of creating a CAD model and running engineering simulations with minimal effort.

    A CAE simulation session generally includes three main phases:

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    Main Benefits of CAE 

    The main benefits offered by CAE/engineering simulation are:

    • Reduced time in product development
    • Improved product quality and reliability
    • Risk reduction
    • Possibility to make corrections early in the concept and design phases
    • Dramatic reduction in the costs associated with physical testing of prototypes
    • Keeping the established deadlines in different phases of the engineering workflow
    • Radical improvement of product quality and reliability, thus raising the customer satisfaction level
    • Product lifecycle extension

    Types of CAE Analyses

    With CAE, there is a large spectrum of engineering simulation analysis types to consider, including:

    • Stress and dynamics analysis using finite element analysis (FEA)
    • Thermal and fluid analysis using computational fluid dynamics (CFD)
    • Kinematics and dynamic analysis of mechanisms (multibody dynamics)
    • Acoustics analysis using FEA or a boundary element method (BEM)
    • 1D CAE, or mechatronic system simulation, for multi-domain mechatronics system design
    • Simulation of manufacturing processes like casting, molding and die press forming
    • Particle simulation as part of a flow industrial process
    • Multiphysics analysis based on multiple simulation phenomena
    • Optimization of the product or process

    Large Applicability of CAE

    All these CAE tools are used in the simulation, validation, and optimization of products with applicability in many industries, including automotive, aerospace, energy, plant engineering, industrial equipment, HVAC, electronics, and consumer goods.

    Stress analysis of a skull with and without a helmet carried out with SimScale
    Stress analysis of a skull with and without a helmet carried out with SimScale

    Engineering simulation has a wide range of applications, from small components or products to complex appliances, plants, HVAC equipment, and heavy machines. Here are some examples from the SimScale Public Projects Library:

    All the projects presented in this article can be imported into your own workspace from SimScale’s Public Projects and used as templates.

    If you haven’t signed up for SimScale yet, you can create your free account here and see for yourself how 3D engineering simulation can help you increase the performance of your engineering activities in any industry.

    The purpose of a helmet is to protect the person who wears it from a head injury during impact. In this project, the impact of a human skull with and without a helmet was simulated with a nonlinear dynamic analysis. Download this case study for free.

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