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Subject: Kinematic - simulation of cable wind up possible?

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DONNIS

04 Nov 2008 04:54 AM
Hello everybody, is it possible to simulate a cable wind-up with Catia V5 kinematic? I'm trying to simulate a bowden-cable link mounted between two levers, where one of the levers has a arc-shaped guiding area for the cable... Thank you in advance for all answers. Donnis

tjs4689

04 Nov 2008 10:01 AM
is it possible to simulate a cable wind-up with CATIA V5 kinematic? I'm trying to simulate a bowden-cable link mounted between two levers, where one of the levers has a arc-shaped guiding area for the cable... Yes it is possible, but you will need to contact DS for an environmental variable that will update contextual parts during kinematic simulation.

Timothy J. Suhr COE EME DPC Co-Chair Technical Product Designer The Boeing Company Boeing - Phantom Works Product, Process & Resource Definition (PPRD) P.O. Box 3707 M/S 42-54 Seattle, WA 98124-2207

JOBY

04 Nov 2008 01:20 PM
Interesting answer Timothy. If I hear you correctly, then you're suggesting a constantly updating contextual part, with changing shape to represent a cable. Is this accurate? Can I assume you've done this before? Thanks ~Joe

tjs4689

18 Nov 2008 04:20 PM
Yes, and if you are modeling the cable onto a real you'll need to have a spline modeled around the real.

Timothy J. Suhr COE EME DPC Co-Chair Technical Product Designer The Boeing Company Boeing - Phantom Works Product, Process & Resource Definition (PPRD) P.O. Box 3707 M/S 42-54 Seattle, WA 98124-2207

TX520

18 Nov 2008 04:37 PM
So this means that it would also be possible to simulate a spring as well, correct?

tjs4689

18 Nov 2008 05:06 PM
Yes, this should be able to be done. I am hoping that a college student will take and model an off road vehicle in the area of the suspension including the shocks and springs.

Timothy J. Suhr COE EME DPC Co-Chair Technical Product Designer The Boeing Company Boeing - Phantom Works Product, Process & Resource Definition (PPRD) P.O. Box 3707 M/S 42-54 Seattle, WA 98124-2207

TX520

18 Nov 2008 05:08 PM
Any more guidance as to how that might be done?

tjs4689

18 Nov 2008 05:17 PM
Well first you must restore the update of contextual part during kinematic simulation. After you have this restored you'll need to understand flexible assemblies. Then we can more about the specifics to the dynamic parts within a kinematic simulation. We then will need to set up a specific scenario for an example. Say shock assembly and its kinematic data. When DS shut off the ability to update contextual parts during kinematic simulation I was told that at a point in the future they would provide an option setting to turn it back on. This has not happened.

Timothy J. Suhr COE EME DPC Co-Chair Technical Product Designer The Boeing Company Boeing - Phantom Works Product, Process & Resource Definition (PPRD) P.O. Box 3707 M/S 42-54 Seattle, WA 98124-2207

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Forums > COE Forums > CATIA V5 > Kinematic - simulation of cable wind up possible?

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