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how to build an ultrasound examination model in 4.4 version

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Hello, all
I'm definitely new to comsol. I want to build a 3D model which could be tested if there existe a fissure or not under ultrasound effet.But the tutorials i found in comsol blog all use 5.1 or 5.2 version, they've used a physic called" convected wave equation"(cwe), which is not existed in 4.4 version. so could anyone tells me how to build this kind of model in 4.4 version?
Best Regards

0 Replies Last Post 2017年3月27日 GMT-4 09:09
COMSOL Moderator

Hello Pengtao Huang

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