Find nearby surfaces
Hi all,
Is there any command available to find surfaces which are very close to each other. I have 2 components and there are some locations where the surfaces are really close(like contacts), need to find these surface ids without any manual selection.
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Hi tinh,
How do i assign thickness to surface? right now the hm_collisioncheck is returning all surface ids i selected initially.
Hi VIpin
try assigning thickness to component storing the surface
Could you show your codes?
Hi tinh
*createmark surfs 1 'displayed'
hm_collisioninit
hm_collisionentitycreate surfs 1 0 1 0 0 0 0 0 0
hm_collisioncheck 0 0 0 1 0 0
hm_collisionend
hm_highlightmark surfs 1 'low'
right now my code looks like this. I cant find any option to assign surface thickness! how to do that?
Hi Vipin,
maybe the example given in hm help is wrong!
Below code is working in my hm2017, please try it (T1 is thickness of surfs in comp1, T2... comp2):
proc p_GetContactSurfs {CompId1 T1 CompId2 T2} {
hm_collisioninit
*createmark surfs 1 'by comp id' $CompId1
hm_collisionentitycreate surfs 1 0 10 $T1 0 0 0 0 1
*createmark surfs 1 'by comp id' $CompId2
hm_collisionentitycreate surfs 1 0 10 $T2 0 0 0 0 1
hm_collisioncheck 0 0 0 1 0 0 0
hm_collisionend
hm_highlightmark surfs 1 low
hm_getmark surfs 1
}
Hi @tinh
I am not getting any output, i think there is no thickness for surfaces in my model.
Please tell me how to update thickness for surface components.
Really?
T1 and T2 are thickness values to apply to surfs
in my test:
comp1 (ID 1001) has surfs 1 2 3 4 5 6 7 8 9 10
comp2 (ID 1002) has surfs 11 12 13 14 15 16 17 18 19 20
I invoked:
p_GetContactSurfs 1001 1.0 1002 1.0
it worked!
This command will assign thickness to the surfs
hm_collisionentitycreate surfs 1 0 10 $T1 0 0 0 0 1
in hm help, it says add 10 will add thickness to outside of surfs
maybe your surface normal is inward
could you try with number '30' - will add thickness to both inside and outside of surfs
proc p_GetContactSurfs {CompId1 T1 CompId2 T2} {
hm_collisioninit
*createmark surfs 1 'by comp id' $CompId1
hm_collisionentitycreate surfs 1 0 30 $T1 0 0 0 0 1
*createmark surfs 1 'by comp id' $CompId2
hm_collisionentitycreate surfs 1 0 30 $T2 0 0 0 0 1
hm_collisioncheck 0 0 0 1 0 0 0
hm_collisionend
hm_highlightmark surfs 1 low
hm_getmark surfs 1
}
p_GetContactSurfs 1 1.0 2 1.0
Can you please try on this model, I dont know what is going wrong.
proc p_GetContactSurfs {CompId1 T1 CompId2 T2} {
hm_collisioninit
*createmark surfs 1 'by comp id' $CompId1
hm_collisionentitycreate surfs 1 0 30 $T1 0 0 0 0 1
*createmark surfs 1 'by comp id' $CompId2
hm_collisionentitycreate surfs 1 0 30 $T2 0 0 0 0 1
hm_collisioncheck 0 0 0 1 0 0 0
hm_collisionend
hm_highlightmark surfs 1 low
hm_getmark surfs 1
}
p_GetContactSurfs 1 1.0 2 1.0
Can you please try on this model, I dont know what is going wrong.
No no Vipin, a critical bug at the second 'hm_collisionentitycreate', the last argument must be '2' instead of '1'
it is group id of surfs that will be pushed into hm_collisioncheck
I test your model, it return surfs 4 9 3 2, (thickness option 10 or 30 are all OK)
please try again and announce me
Hey @tinh Thank you so much!!/emoticons/default_biggrin.png' srcset='/emoticons/biggrin@2x.png 2x' title=':D' width='20' />
/emoticons/default_biggrin.png' srcset='/emoticons/biggrin@2x.png 2x' title=':D' width='20' />
problem solved.
Hi Vipin,
try using hm_collisioncheck (refer to hm help)
set output for mark_id_pene_surfs
you may need to set an appropriate thickness for surface component