thinkingParticles 6 Subscription Drop 4 - Viscoelastic Fluids: Honey
30This Feature video Talks about Subscription Drop 4's new feature for better ViscoElasticity fluid solver 1.
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VE ViscoElasticity:
The new visco elasticity solver allows for the creation of viscous liquids like honey or oil, or any kind of thick fluids are now possible.
- the Visco Elastic fluid solver is spring-based system therefore useful in simulating not just honey-like or oil like fluids but also, rubber-like materials, or dough-like materials. When the impulse is made strong and hard enough (within a short time), even simulate fluids springing off surfaces.
Dynamic Setup for the honey scene:
Create folder:
- Particle generator + positionBorn;
- volumePosition with the latest Subscription Drop 4 feature under Raster called the Reset Mode is already being used in this setup, which allows for the creation of new particles in a certain event.
- in this tutorial, we use a cylindrical to emit the particles to get our volume; simulated as the stream of honey;
- the rasterized system ensures that the 'honey' is created in an orderly manner;
Force folder
- a simple force in the dynamicSet is use to make the downward flow of the honey; nothing too complex.
Surface folder:
- done using the implicitShape
Sim folder
- See Flow Group: uses the TP6.4 SPH 2, Viscoelasticity Fluid Solver (select the SPH from the right -bar drop down list):
-- it's good for normal liquids as well, however, it's great for viscoelastic stuff.
-- all the settings and parameters on the right menu shown can be used with the new SPH solver. Scroll down the menu and you will see 6.4 biggest addition to the SPH2: the viscoelastic (VE) controls
Viewport playback: showcases the speed of the VE feature.
Simultaneously, as we playback, the video is being recorded so there is a lot of processing going on the background as well. So, what u see on screen is real time - surfacing, the meshing and simulation are in real time - highly visco surfaces really, really fast.
Adjusting the effects
- let's look at the surfacing method: Surface folder -- implicitShape, here the Drop 4's latest new feature is called 'Bubble'.
-- a powerful, instant feature to simulate trapped air bubbles in the fluids.
- so, just check the box for Bubbles and real time showcases the effects; click the forward frame one-step to update the bubble effects;
moskitoRender (real time GPU rendering)
- as u can see, the 'air bubbles' after that quick rendering shows as jagged instead of round bubbles and that is because our resolution of the implicitShape surface is not high enough - let's adjust this.
- Under Resolution - Rendering: bring up the value;
- again forward frame to update the bubbles and you will see bow the round life -like bubble trapped in the honey.
A very powerful feature that makes creation a much simpler effects.
- tweak up the bubbles by increasing the radius to 0.4, and you will see the real time effects right way. Please adjust the resolution f a bubble and see it for yourself.
- what it is , is a boolean operation with the ISO surface.
- now when you reduce the Resolution - Viewing resolution, here we increased it to '7' -- and u see it's much faster now.
- since we don't have any mesh update on the viewport, let's return for awhile to the particle view: and under Viewing, try viewing as particles: 'ticks' / 'dots' - this view there is no mesh going on so you see the pure particles at work.
Please checkout the other tutorials on the thinkingParticles Subscription Drop 4 as well.
And remember to Subscribe to our channel. Thank you,
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