what is the algorithm used for btSofybody?

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zhang_qiang
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Joined: Sun Mar 26, 2023 10:13 am

what is the algorithm used for btSofybody?

Post by zhang_qiang »

It seems the btSoftbody use the PBD (position based dynamic) algorithm. But, it is different from the origina one (https://matthias-research.github.io/pag ... sedDyn.pdf).

For example, the stiffness is used as:

l.m_c0 = (l.m_n[0]->m_im + l.m_n[1]->m_im) / m.m_kLST;

Is there any document to describe more details? Or where can I find a paper to decribe the used algorithm?

Any suggestion is appreciated~~~
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