CAE or Computer-Aided Engineering is a term used to describe the procedure of the entire product engineering process, from design and virtual testing with sophisticated analytical algorithms to the planning of manufacturing. Computer-aided engineering is standard in almost any industry that uses some sort of design software to develop products. CAE is the next step in not only designing a product, but also supporting the engineering process, as it allows to perform tests and simulations of the product’s physical properties without needing a physical prototype. In the context of CAE, the most commonly used simulation analysis types include Finite Element Analysis, Computational Fluid Dynamics, Thermal Analysis, Multibody Dynamics and Optimizations.
By leveraging the advantages of engineering simulation, especially when combined with the power and the speed of high-performance cloud computing, the cost and time of each design iteration cycle as well as the overall development process can be considerably reduced. The standard CAE workflow is to first generate an initial design and then simulate the CAD geometry. The simulation results are then evaluated and used to improve the design. This process is repeated until all the product’s requirements are met and virtually confirmed. In case of any weak spots or areas where the digital prototype’s performance doesn’t match the expectations, engineers and designers can improve the CAD model and check the effects of their change by testing the updated design in a new simulation. This process supports faster product development as there is no need for building physical prototypes in early development stages. Simulating with CAE methods will only take a few hours at most, in comparison to days or probably weeks that building a physical prototype would require. Everyone familiar with the product development process knows that it is inevitable to build a physical prototype before starting with the serial production of a product, but simulation can help to reduce the amount of those prototypes. When planning to integrate simulation techniques into the product development process, it is important to know about the environment (forces, temperatures, etc.) that the product is going to be exposed to. Knowing these conditions is crucial to properly set up a simulation. The predictive value of any simulation can only be the precision of the boundary conditions made. Up until now, besides predicting the environmental factors and conditions, engineering simulation was a complex and difficult endeavor by itself, mostly reserved for experienced engineers and simulation experts. Beginners had to struggle with a steep learning curve. Modern CAE simulation tools, such as SimScale, try to break down these barriers, allowing even inexperienced users without deep knowledge of the physical processes and special solver characteristics to produce insightful simulation results.
Simulating complex geometries is very difficult, even for modern computers. This is why a lot of computing power is needed to perform realistic simulation results. Big companies with sophisticated IT infrastructure can use their own servers to host and run simulations. The rise of HPC cloud computing now also gives smaller companies, which usually can’t afford to buy and maintain the necessary hardware, access to the same simulation tools and capabilities that previously were reserved only for a select few. This disruption in the market for simulation products makes it now possible for everyone to simulate the products they design.
Fields of application:
CAE can be used in almost any industry and company that designs a product exposed to different environments. Industries using computer-aided engineering in their product development process include but are not limited to: automotive, aerospace, plant engineering, electronics, energy, consumer goods and HVAC. The products that can be simulated range from extremely small parts of products to very big and complex structures such as race cars, bridges or even power plants.
Testing the structural integrity of a crane that carries a specific load to a rooftop is a possible application as well as assessing the acoustic design of a concert hall or the convective flow inside a light bulb; all these are examples of applications where simulation can make a huge, sometimes life-saving difference .
As you see, the field of applications of computer-aided engineering or engineering simulation is unlimited and can help engineers and designers in any industry to develop products better and faster.
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