[AnasVFX]

Originally Posted by FMDenaro

Ok, however the issue is not simple and requires some care. I suggest to read other references about the topic of (exact/approximate) projection methods.

Can you post a source?

[FMDenaro]

That would be a long list, when I worked on this topic I organized the references in this paper https://www.researchgate.net/publica...ary_conditions

but if you search in internet you will find also more recent papers.