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Forum: AnyBody Managed Model Repository 06-04-2018, 11:53 AM
Replies: 8
Views: 151
Posted By toerholm
Hi Michele, Please have a look at this...

Hi Michele,

Please have a look at this paper, it is a somewhat different setup than the seated human, but the principles are the same.


Olesen CG, de Zee M, Rasmussen J (2014), "Comparison...
Forum: AnyBody Managed Model Repository 05-30-2018, 08:37 AM
Replies: 8
Views: 151
Posted By toerholm
Hi Michele, Yes both statements are correct...

Hi Michele,

Yes both statements are correct ;-)

If there is no motion defined between spine and backrest it will not move. In the seated-human model there is a driver with constant distance...
Forum: AnyBody Modeling System 05-28-2018, 03:33 PM
Replies: 9
Views: 237
Posted By toerholm
I tried to go forward in these steps: ...

I tried to go forward in these steps:


Excluded seat and drivers for seat loaded and checked kin, it worked
I then added back in the joint and driver for the seat, it works as long the...
Forum: AnyBody Managed Model Repository 05-28-2018, 10:04 AM
Replies: 8
Views: 151
Posted By toerholm
Hi Michele, I will try to clearify a bit. ...

Hi Michele,

I will try to clearify a bit.

The contact forces element do not prevent any motion there are no motion drivers associated with these elements, so this will not stop motion, but...
Forum: AnyBody Modeling System 05-28-2018, 09:17 AM
Replies: 9
Views: 237
Posted By toerholm
Hi I have looked at the model drivers and...

Hi

I have looked at the model drivers and it looks a bit strange to me,

All the segments like Main.lsdyna_human_modified.X are joined together into one stiff body using a series of anystd...
Forum: AnyBody Modeling System 05-25-2018, 04:27 PM
Replies: 9
Views: 237
Posted By toerholm
Hi I took a quick look at the model and...

Hi

I took a quick look at the model and noticed that it seems to be driven in a rather strange way.
There is a list drivers each adding 3 linear constraints to each point between human and...
Forum: Debug model 05-25-2018, 03:51 PM
Replies: 4
Views: 180
Posted By toerholm
Hi Yes anybody can be used to predict the...

Hi

Yes anybody can be used to predict the force at the ground but only if you have the full body motion described in a good way, otherwise the force predictions will be wrong. The force...
Forum: AnyBody Managed Model Repository 05-25-2018, 03:43 PM
Replies: 8
Views: 151
Posted By toerholm
Hi Michele, i will try to explain a bit...

Hi Michele,

i will try to explain a bit more about the contact elements.
The contact conditions in the seated human is actually an array of artificial muscle that allows forces to be transmitted...
Forum: AnyBody Managed Model Repository 05-25-2018, 03:32 PM
Replies: 1
Views: 101
Posted By toerholm
Hi Yogesh, You can read out the rotations...

Hi Yogesh,

You can read out the rotations from the individual joints in the spine, each of the joints contains rotational measures.

Please write again if this does not answer the question
...
Forum: Debug model 05-18-2018, 09:37 AM
Replies: 4
Views: 180
Posted By toerholm
Hi Please describe what is in the model in...

Hi

Please describe what is in the model in some detail.

Is it correctly understood that you are trying to make a model using normal gait data and use it on a person using crutches?

If so,...
Forum: AnyGait 05-03-2018, 10:19 AM
Replies: 2
Views: 254
Posted By toerholm
Hi If the model runs until step 171 and...

Hi

If the model runs until step 171 and then fails kinematically it can be related a marker dropping out (then the it goes back to 0,0,0) this may make the model fail.

Please inspect the...
Forum: AnyGait 05-03-2018, 10:19 AM
Replies: 7
Views: 4,584
Posted By toerholm
Hi If the model runs until step 171 and...

Hi

If the model runs until step 171 and then fails kinematically it can be related a marker dropping out (then the it goes back to 0,0,0) this may make the model fail.

Please inspect the...
Forum: AnyBody Managed Model Repository 05-01-2018, 10:59 AM
Replies: 7
Views: 417
Posted By toerholm
Please provide a few screenshots of the model ...

Please provide a few screenshots of the model


when it has been loaded
When it has tried to solve kinematics , then right click ModelView and click "force recreate view" then save the...
Forum: AnyBody Managed Model Repository 05-01-2018, 09:41 AM
Replies: 7
Views: 417
Posted By toerholm
please also see...

please also see https://anyscript.org/tutorials/Making_things_move/lesson5.html
Forum: AnyBody Managed Model Repository 05-01-2018, 09:36 AM
Replies: 7
Views: 417
Posted By toerholm
Hi When the kinematics fails in the first time...

Hi
When the kinematics fails in the first time frame timestep 0 it can be multiple things e.g.

*Markers may not be placed correctly on body
*The initial position which is specified in the...
Forum: AnyBody Managed Model Repository 04-30-2018, 10:06 AM
Replies: 2
Views: 182
Posted By toerholm
Hi Can, The AnyFE2APDL is a free extra tool...

Hi Can,

The AnyFE2APDL is a free extra tool but it requires valid maintenance, so if the license file does not have valid maintenance, it will behave like this.

Could this be the explanation?...
Forum: AnyBody Managed Model Repository 04-23-2018, 09:52 AM
Replies: 21
Views: 589
Posted By toerholm
This problem has been solved outside forum

This problem has been solved outside forum
Forum: AnyBody Managed Model Repository 04-19-2018, 11:20 AM
Replies: 21
Views: 589
Posted By toerholm
Ok i think you need to make two changes; ...

Ok i think you need to make two changes;

#line 23
AnyInt ForcePlateType = C3D_OBJECT.Groups.FORCE_PLATFORM.TYPE.Data[PLATE_NO-1] [0];


This should make ForceplateType go from {{2,2}} to...
Forum: AnyBody Managed Model Repository 04-19-2018, 11:01 AM
Replies: 21
Views: 589
Posted By toerholm
Ok, please let me know the type data for the...

Ok, please let me know the type data for the forceplate so e.g.

Main.ModelSetup.C3DFileData.Groups.FORCE_PLATFORM.TYPE.Data = {4, 4, 4};


In the change i suggested i thought it would be in...
Forum: AnyBody Managed Model Repository 04-19-2018, 10:27 AM
Replies: 21
Views: 589
Posted By toerholm
Hi I think the problem is now related to...

Hi

I think the problem is now related to the forceplate type definition having wrong dimensions.

Remember we changed this line

[ligne 34]...
Forum: AnyBody Managed Model Repository 04-18-2018, 11:17 AM
Replies: 21
Views: 589
Posted By toerholm
Hi Yes you are most likely missing a driver...

Hi

Yes you are most likely missing a driver for the head.

Quick way is to apply the default driver by writing

#define BM_MANNEQUIN_DRIVER_NECK BM_MANNEQUIN_DRIVER_DEFAULT ON


see also :
Forum: AnyBody Managed Model Repository 04-18-2018, 09:07 AM
Replies: 5
Views: 289
Posted By toerholm
Hi Yogesh, In a stick figure model with no...

Hi Yogesh,

In a stick figure model with no muscle actuators but only torque generators in the joints, you will see lower forces than in a model with muscle actuators.

If there is not a...
Forum: AnyBody Managed Model Repository 04-17-2018, 01:06 PM
Replies: 21
Views: 589
Posted By toerholm
Hi It is an interesting c3d file you have...

Hi

It is an interesting c3d file you have ;-)

it seems that the problem is now the opposite than before

Usually the corner data looks like eg. {{{1017.0, 464.0, 0.0}, {1017.0, 0.0, 0.0},...
Forum: AnyBody Managed Model Repository 04-17-2018, 12:15 PM
Replies: 21
Views: 589
Posted By toerholm
Hi I think the next error could be somewhat...

Hi

I think the next error could be somewhat of the same nature...

It might indicate that the property of your corner data is also wrong dimensions

AnyFloat Data =...
Forum: AnyBody Managed Model Repository 04-17-2018, 11:27 AM
Replies: 21
Views: 589
Posted By toerholm
Hi We think we have found the issue. ...

Hi

We think we have found the issue.

Please make this change in the forceplateautodection.any file



[ligne 33] AnyMessagePlateTypeCheck={
[ligne 34]...
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