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example: ttb use in LS-Dyna

1

Here is the LS-Dyna example for the documentation. I implemented a standard Neo-Hookean material last week anyway to check some interfaces, so I chose this for the documentation example. The...

jfriedlein

**Test "new subsequent modules"** As "forewarned" in the LS-Dyna example pull request, I tested the approach to add new modules to extend the functionality for specific use cases (not yet...

jfriedlein

toolbox logo and citation

2

Hi Andreas @adtzlr , I don't want to hold you up, so the following is absolutely not a priority (just nice to have). However, would you mind giving me a...

jfriedlein

According to [the priority of operators](https://software.intel.com/en-us/fortran-compiler-18.0-developer-guide-and-reference-summary-of-operator-precedence) in Fortran it is necessary to use brackets for Tensor operators. For example the power operator `**` which is overridden by the double dot...

adtzlr

Add sqrt(T)

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Perform a polar decomposition of a positive definite 3x3 matrix to obtain the stretch tensor which satisfies C = U^2

adtzlr

Isotropic Tensor Functions

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Add isotropic tensor functions like sqrt(T), exp(T), etc. [Source](https://www.google.at/url?sa=t&source=web&rct=j&url=https://classes.soe.ucsc.edu/cmps161/Winter14/papers/t4/RelatedWork/ItskovFourthOrder.pdf.pdf&ved=0ahUKEwjcnPfCjunXAhWEC-wKHfifBaAQFgg1MAM&usg=AOvVaw1Kx0_SJxhmPOpsZ9p_85AG) Or Eigenvalue/Eigenvector Calculation with the help of LAPACK

adtzlr

Print of tensor components

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Add an option to print tensor components with a simple function call.

adtzlr

Add unit tests

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ideally within a CI/CD pipeline using Github Actions.

adtzlr

Cmake/Makefile for ttb

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Hi @adtzlr, Thanks for this, it is going to be very useful! In order to make your library easier to interface with existing codes, would you consider to do a...

AliE89