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Step function in time dependent study

Posted 5 feb 2024, 08:41 GMT-5 MEMS & Piezoelectric Devices, Results & Visualization, Physics Interfaces 1 Reply

Shrutika Agarwal
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Hi,

I have using a step function in a time depenedent study where I want to increase my voltage from 0 to 75V in 4 ms. For this I have given voltage by this function Voltage*step2(t[1/s]). Here my input paramter Voltage is defined as 75V.

If I understand the attached graph correctly- it means at 0.003s , the voltage will be (75*0.85 = 63.75)V Is it correct interpretation?

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1 Reply Last Post 5 feb 2024, 10:16 GMT-5
Jeff Hiller COMSOL Employee

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Posted: 10 months ago 5 feb 2024, 10:16 GMT-5
Updated: 10 months ago 5 feb 2024, 17:17 GMT-5

Hello Shrutika,

Yes, from your plot it looks like step2(0.003) will return about .85. If you want to know the exact value, you can have COMSOL compute step2(0.003) via a parameter.

Best,

Jeff

-------------------
Jeff Hiller
Hello Shrutika, Yes, from your plot it looks like step2(0.003) will return about .85. If you want to know the exact value, you can have COMSOL compute step2(0.003) via a parameter. Best, Jeff

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