esys-escript

How to define a sloping boundary?

Asked by Jingchi Yu

As we know, if I want to define a boundary of a box, I can use some codes like"wherezero(x[0])"

On this basis, if I want to define a sloping boundary like the hypotenuse of the triangle，how can I do that?

Waiting your answer all the time~Thx~

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Adam Ellery
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Best Adam Ellery (aellery) said : 		#1

Hi Jingchi,

For a line defined by the equation y=a*x+b, you can use the expression along the lines "whereZero(x[1]-(a*x[0]+b))".

- Adam

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Jingchi Yu (yujc-17) said : 		#2

Thanks Adam Ellery, that solved my question.