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I guess you meshed the fluid manually,you can try sampling v from the vel field instead of calculating it with trail SOP
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Wood RBD Sim Unstable with Constraints
Benyee replied to TheDude123's topic in General Houdini Questions
nice setup for wood fracture I did some optimizations for your scene,see the marked nodes for the rbdcluster node,you should check off the "fuse clustered pieces" since you have to make collision shape of each piece separately in dop,and so you should keep the original "name" attrib after clustering for the constraints,I split the "glue" constraint into 2,one is cluster inner glue(glue constraint) and the other is glue between clusters(hard constraint,to make the entire wood structure a little bit softer) and other modifications,for the bullet solver and setup for wood mass,etc,hope it helps Wood_RnD_Example_File_v2.hip -
def merge_multiple_objects(objs): obj_container=objs[0].parent().createNode('geo','merged_objs') merge_sop=obj_container.createNode('object_merge') merge_sop.parm('numobj').set(len(objs)) for i in range(len(objs)): relPath = merge_sop.relativePathTo(objs[i]) merge_sop.parm('objpath'+str(i+1)).set(relPath) merge_sop.parm('xformtype').set(1) #orgnize node positions pos=objs[-1].position() obj_container.setPosition([pos[0]+2,pos[1]-2]) sels=hou.selectedNodes() merge_multiple_objects(sels); you can try the script as a python shelf tool by selecting objects first, hope it helps
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I'm just taking this example to give you some tips,hope it helps creased_abstract_waves.hip
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that's tricky, and several weeks ago I used another approach for maintaining edge group on subdivided geo, hope there are some useful informations for you https://www.sidefx.com/forum/topic/85561/ cut_plane_with_edges_v2.hip
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try animating it in ChOP? right click on the parameter,motion fx/noise,hope it helps
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It might be a bug, your file seems to run well in newer version of h19.5 emit_balls_h19.5.346.hiplc
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generally adjustment for substeps,and some collision related parameters is a must for this type of sims, and the initial string/hair mass and radius are some of the key factors, friction and drags are very important,i don't think auto-sleep is necessary,some times you can add a weak shape match(not sure it can work well on string/hair,for cloth it can effect much) all those details depend on your scenes,hope it helps or please post some files
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Fire attributes from voxel birth to dissipation
Benyee replied to GlennimusPrime's topic in General Houdini Questions
no big deal,it was a h19.5 version,here i updated a new one for h19.0,hope it helps post-modify_fire_opacity_h19.hip -
Fire attributes from voxel birth to dissipation
Benyee replied to GlennimusPrime's topic in General Houdini Questions
just some tips for you here I created a field like "age field" to post-modify the dop fields before getting into shading/rendering OR,simply use height cheers post-modify_fire_opacity.hip -
you can try just using gasfieldwrangle/vop to modify the field youwant masked_wind_pyro_od.hip and the related topics https://www.sidefx.com/forum/topic/80961/
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Extract animated relative inverse transforms?
Benyee replied to spf987's topic in Animation & Rigging
don't worry about maths and codes stuff, here is an example with object level constraints, there might be some useful informations for you invert_space.hip -
edgecusp seems simpler and alittle bit more efficient,i post it here although the problem might have been solved Space cruiser_v3.hip and here is a related threadhttps://www.sidefx.com/forum/topic/85561/?page=1#post-370359
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Extract animated relative inverse transforms?
Benyee replied to spf987's topic in Animation & Rigging
I just changed some nodes for finding and applying matrix based on the file make_point_static_v2.hipnc -
maybe you can refer to this post,https://www.sidefx.com/forum/topic/80961/