Case Study
Ansys si impegna a fare in modo che gli studenti di oggi abbiano successo, fornendogli il software gratuito di simulazione ingegneristica.
Ansys si impegna a fare in modo che gli studenti di oggi abbiano successo, fornendogli il software gratuito di simulazione ingegneristica.
Ansys si impegna a fare in modo che gli studenti di oggi abbiano successo, fornendogli il software gratuito di simulazione ingegneristica.
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Case Study
“Utilizing Ansys Mechanical and Sherlock analysis has been instrumental for us in aligning environmental test outcomes with analysis data. This correlation has proven essential in pinpointing potential failure modes throughout our product development phase. It's become indispensable in our design cycle, ensuring our product aligns with the rigorous demands of the space environment. Qfinsoft has also played a crucial role, not just in providing the necessary tools but also in offering valuable support and guidance to our engineers.”
— Shane Martin, Mechanical Design Lead, NewSpace Systems
During the development phase of a new reaction wheel, an electronic device failure was identified during vibration testing. Ansys Sherlock reliability analysis software was used to simulate the vibration environment on the printed circuit board (PCB), which identified the root cause of the failure to be due to a specific resonant mode on the PCB, which coupled with that of the chassis.
To address the failure mode of the component, NSS followed a combination of two solutions. The first was to add additional mounting points to the components’ PCB to increase the frequency of its resonant mode so that it fell outside of the damaging vibration spectrum. Secondly, the chassis the PCB was secured to was stiffened to increase its resonant mode and reduce the deflection of the chassis under vibration. NSS assessed and optimized the combination of these solutions with Ansys Mechanical structural simulation software’s random vibration analysis on the chassis and PCB. They then assessed both the total deflection of the chassis and fatigue lifetime of the leads of the electronic components.
By being able to simulate both the original design and the new, optimized design, NSS implemented engineering improvements that reduced the chassis deflection by 24% and increased the fatigue lifetime of the electronics by 686%. The new solution was then manufactured and tested successfully.
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