Ah yes, I got that one for a steal as the luthier had built it as a prototype and wanted to find a home for it!
If you're into gypsy jazz you can find our music on CD Baby, I've been playing with Ranger for 12 years now I think?? Time flies…
https://store.cdbaby.com/Artist/RangerandtheReArrangers [store.cdbaby.com]
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Houdini Lounge » Vellum cloth sim with thread pulling cloth together
- Dave Stewart
- 39 posts
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Houdini Lounge » Vellum cloth sim with thread pulling cloth together
- Dave Stewart
- 39 posts
- Offline
Built this Vellum setup really quick, it's a bit slow and jittery but hopefully gives you some ideas! There are probably 10 other ways to set this up of course, I'd keep experimenting to find other options that might work better.
Hadn't heard of Hamlett mandos, but they look and sound great!! No banjo shame needed, I have a little banjo uke I pull out from time to time. And a cheap mandola, and old a-style that I can't get rid of cuz Chris Thile signed it, and what I call my ManTar… an Arrow 5-string tenor guitar, gypsy-jazz style with a small oval soundhole, tuned CGDAE an octave below my emando. Fun stuff!
–d
Hadn't heard of Hamlett mandos, but they look and sound great!! No banjo shame needed, I have a little banjo uke I pull out from time to time. And a cheap mandola, and old a-style that I can't get rid of cuz Chris Thile signed it, and what I call my ManTar… an Arrow 5-string tenor guitar, gypsy-jazz style with a small oval soundhole, tuned CGDAE an octave below my emando. Fun stuff!
–d
Houdini Lounge » Vellum cloth sim with thread pulling cloth together
- Dave Stewart
- 39 posts
- Offline
Haha, first time I've heard that from another Houdini user! I take it you're a musician too? Love my 5-string Mann, been gigging with it for years. Also have a Breedlove Cascade acoustic mando.
Glad you sorted out the issue.
As for the setup, I think I've got a sample setup laying around on my HD, will see if I can find something that will point you in the right direction!
–Dave
Glad you sorted out the issue.
As for the setup, I think I've got a sample setup laying around on my HD, will see if I can find something that will point you in the right direction!
–Dave
Houdini Lounge » Vellum cloth sim with thread pulling cloth together
- Dave Stewart
- 39 posts
- Offline
Oh no, sorry to hear that!! I've heard a lot of people are having issues with the new RTX cards, no issues here with my trusty 1080 Ti's. Do you have plenty of system RAM?
Houdini Lounge » Vellum cloth sim with thread pulling cloth together
- Dave Stewart
- 39 posts
- Offline
Looks like half-rings of flat cloth, Vellum-constrained to the cloth sheet underneath. You could also use Vellum Struts on low-res torus geo, with enough iterations it'll read as a rigid body… any luck yet? Should be pretty straightforward to set up.
–Dave
–Dave
Houdini Learning Materials » (semi) transparent materials when mixing FLIP fluids ?
- Dave Stewart
- 39 posts
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MichielvanderZanden
Thanks a lot for your efforts to help me out Enivob!! I'll dig in your files later this weekend, I'll let you know.
I also found this video: https://vimeo.com/130118827 [vimeo.com] … this is more or less the effect I would like to achieve. 3 semi-transparent colors blending in one Fuid sim.
Just saw this, have you figured it out? I created the paste sim you posted above, it was tricky to get it to work. I created a separate volume with density and Cd, color transferred from the sim points. So the sim mesh is 100% refractive and reveals the colored volume beneath. Only way I could get it to look decent…
–Dave
Technical Discussion » FLIP Viscosity - Collision object grid stepping artifacts
- Dave Stewart
- 39 posts
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Hi Folks! Sharing this on the SFX forum in the hopes that some more ideas might surface…
I'm wondering if anyone has run into this and found a good solution, it's been popping up in my low-to-mid viscosity sims for a while. Perhaps I'm missing something stupidly obvious? Collision geo/field are fine and the interface between fluid and collision object looks great before turning on viscosity, then I get these grid artifacts that are tough to get rid of. Reducing Surface Extrapolation way down in Volume Collisions helps but doesn't completely remove the artifacts. Also, using a high slip-on-collision value helps, but I usually don't want the sliding behavior with sticky viscous fluids. Reducing Grid Scale reduces the relative grid size and helps too, but the artifacts are still there, just smaller.
Attached file is somewhat of a worst-cast example, just curious if other folks have dealt with this before. I know I can run some post-sim tweaks to clean up the collision surface intersection, but I've also noticed that the artifacts reveal themselves on the outer surface of the fluid if it gets thin enough, which is not so easy to fix…
01 - viscosity disabled
02 - viscosity enabled
03 - viscosity enabled, surface extrapolation 0.01
Thanks in advance for any help/ideas!!
–Dave
I'm wondering if anyone has run into this and found a good solution, it's been popping up in my low-to-mid viscosity sims for a while. Perhaps I'm missing something stupidly obvious? Collision geo/field are fine and the interface between fluid and collision object looks great before turning on viscosity, then I get these grid artifacts that are tough to get rid of. Reducing Surface Extrapolation way down in Volume Collisions helps but doesn't completely remove the artifacts. Also, using a high slip-on-collision value helps, but I usually don't want the sliding behavior with sticky viscous fluids. Reducing Grid Scale reduces the relative grid size and helps too, but the artifacts are still there, just smaller.
Attached file is somewhat of a worst-cast example, just curious if other folks have dealt with this before. I know I can run some post-sim tweaks to clean up the collision surface intersection, but I've also noticed that the artifacts reveal themselves on the outer surface of the fluid if it gets thin enough, which is not so easy to fix…
01 - viscosity disabled
02 - viscosity enabled
03 - viscosity enabled, surface extrapolation 0.01
Thanks in advance for any help/ideas!!
–Dave
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