The simulation results are fed back to the mechanical design.

Nice to meet you all. This is my second year with this company, and I’m Nakajima in the Structural Design Section.

A year and a few months have passed quickly since I joined WTI. When I look back on it, the year went by so quickly that before I knew it, I was in the position of being a senior.

One of the newcomers has been assigned to the structural design section, and I sometimes remember the appearance of last year when I saw the training.

I was interested in simulation technology and decided to join WTI and was assigned to the Structural Design Section, where I wanted to work. There are two technical categories within WTI’s Structural Design: mechanical design and simulation (stress and thermal).

At first, I was trained in mechanical design during my first year of training. As the training progressed, I enjoyed the mechanical design process, which allowed me to not only simulate, but also build prototypes of the shape I had in mind and check them with my hands.

After my second year, my main task has been simulation, and I am currently in charge of thermal simulation. What I felt most strongly about was whether you have a knowledge of mechanism design or not would result in a big difference in the final product design proposal including heat dissipation measures.

Without knowledge of structural design, structural design proposal based on the results of thermal simulations often end up being “pie-in-the-sky”. Most of the customers who outsource thermal simulations to WTI are in the final stages of development, and therefore we are often only able to take measures within the limited space and deadline. So, this is the moment of collaboration between mechanical design technology and thermal simulation technology.

For example, when heat is dissipated to the outside by inserting sheet metal into the side of the case, we cannot propose a sheet metal with an unreasonable thickness or size, taking into account the basic thickness and slope of the case. Without mechanical design technology, it is impossible to make optimal structural proposals for the total product. The same is true for stress simulation.

The solutions obtained from stress simulations such as drop and vibration, as well as thermal simulations, are fed back to the mechanical design.

Although these are two different technical fields, WTI’s Structural Design Department is able to propose optimal structural solutions that would never be achieved by each single technology alone, by combining these two technologies with each other.

My goal is to become an engineer who can handle both technologies in the future. It may be more difficult than I imagined to combine multiple technologies, but I want to be patient and do my best.


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