What is the value of simulations in science and engineering?

In summary, computational research in materials science involves simulating material growth and properties, which can be quicker and more cost-effective than physical experiments. This type of research allows for prediction of material properties and comparison between theoretical and real-world results. It also has practical applications for product design and development.
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denjay
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I'm looking at some Materials Science graduate programs and some of the research areas involve simulation of material growth and properties. I'm kind of wondering what the value of this kind of research is as opposed to more practical research. This probably goes into the philosophy of science but really what is the practical use of computational research in something like materials science?
 
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  • #2
It might be quicker and cheaper than the real thing.

That's why the structure of a building or an airplane, for instance, is modeled numerically before construction begins. It's a lot cheaper to fail a model than it is to fail an actual structure.

Until now, material properties, by and large, could only be determined by experiment. If you wanted to test the properties of a new alloy, first you would have to manufacture the alloy, make a sample, and then test it. Lots of time and money to do that. But if you could predict by calculation the properties of a new alloy, you might eliminate the need to make trials of different alloy formulations and concentrate your limited resources on the most promising alloy formulations.

Leave philosophy of science to the philosophers.
 
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  • #3
In terms of research, I'd say simulations help you understand the difference between how you've modeled the material behaving and how it actually behaves. Being able to compare results between theory and reality is the main benefit to modeling for research. As well, if the model is accurate to real-world tests, other programs can be written to help designers simulate how that material will behave for their products. Like SteamKing said, it's way cheaper to break a model than fab up a part and break it.

Just for the record, computational research *is* practical research.
 

What is the purpose of simulations in science and engineering?

Simulations are computer-based models that mimic real-world systems and can be used to study and predict the behavior of complex phenomena. They are valuable tools in science and engineering as they allow researchers to test theories, design experiments, and make predictions without the need for costly or dangerous real-world experiments.

What types of simulations are used in science and engineering?

There are various types of simulations used in science and engineering, such as mathematical models, computer simulations, and virtual reality simulations. These simulations can range from simple, abstract representations to highly detailed and realistic models, depending on the specific needs of the research or experiment.

How do simulations benefit the scientific and engineering fields?

Simulations offer numerous benefits to the scientific and engineering fields. They allow researchers to explore and understand complex systems, test hypotheses, and make predictions without the limitations of real-world experiments. They also help in reducing costs, increasing efficiency, and improving the accuracy of results.

What are the limitations of simulations in science and engineering?

While simulations have many advantages, they also have some limitations. They are only as accurate as the data and assumptions used to create them, and they can never fully replicate the complexity of real-world systems. Additionally, simulations may not always account for unexpected variables or errors in the simulation code.

What advancements have been made in simulation technology?

Simulation technology has advanced significantly in recent years, with improvements in computing power, software tools, and data collection methods. This has allowed for more detailed and accurate simulations, as well as the ability to simulate larger and more complex systems. Additionally, the incorporation of artificial intelligence and machine learning techniques has made simulations more efficient and accurate.

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