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Note: This discussion is about an older version of the COMSOL Multiphysics® software. The information provided may be out of date.

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Shape function - Hermite elements

Posted 2011年2月3日 GMT-5 08:11 Version 4.0 4 Replies

Francois Guinot
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Hi,

I am using COMSOL 4.0 with the PDE weak form mode and a 1D space.

In the 3.5 version it was easy to use hermite elements, but in this new version I can't find how to use them.
Is it possible ? Do I have to write a .m file on my own to specify what kind of element will be used ?

Thanks a lot !
4 Replies Last Post 2011年2月3日 GMT-5 08:59
Jeff Hiller COMSOL Employee

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Posted: 1 decade ago 2011年2月3日 GMT-5 08:19
Hello Francois,
Hermite elements were not implemented in version 4.0 but they are implemented in version 4.1 (See Release Notes manual, version 4.1, page 7).
Hello Francois, Hermite elements were not implemented in version 4.0 but they are implemented in version 4.1 (See Release Notes manual, version 4.1, page 7).
Francois Guinot
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Posted: 1 decade ago 2011年2月3日 GMT-5 08:46
Thanks for your quick answer !

But I have just found the Comsol Multiphysics Reference Guide for the 4.0 version

p. 264 a paragraph about Hermite elements and the needed sintax can be read.

So I imagine i can use these elements ?


Thanks for your quick answer ! But I have just found the Comsol Multiphysics Reference Guide for the 4.0 version p. 264 a paragraph about Hermite elements and the needed sintax can be read. So I imagine i can use these elements ?
Jeff Hiller COMSOL Employee

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Posted: 1 decade ago 2011年2月3日 GMT-5 08:53
If my recollection is correct (and it's been a while!) in v4.0 the Hermite elements will not work in the PDE interfaces, only Lagrange elements.
If my recollection is correct (and it's been a while!) in v4.0 the Hermite elements will not work in the PDE interfaces, only Lagrange elements.
Jeff Hiller COMSOL Employee

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Posted: 1 decade ago 2011年2月3日 GMT-5 08:59
Yep, looks like I remembered correctly: Hermite elements were not available for the PDE interfaces (including the weak form that you're saying you want to use) at version 4.0. They are available at version 4.1.
Yep, looks like I remembered correctly: Hermite elements were not available for the PDE interfaces (including the weak form that you're saying you want to use) at version 4.0. They are available at version 4.1.

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