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Specify the gearbox input shaft part. ADAMS/Driveline creates entities such as attachments between the input shaft and the hub of the friction disk. This part must already exist.
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Specify the flywheel part. You can select either a general rigid part or a mount part. Very often the flywheel is modeled in the engine template, while the clutch is modeled in the gearbox template.
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Specify the construction frame used to locate all parts and attachments.
As shown in the figure Clutch Assembly, this construction frame must have the z-axis pointing toward the end of the input shaft and has to be located at the beginning of the gearbox input shaft.
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Enter a real number that specifies the maximum force that can be exerted when releasing the clutch. ADAMS/Driveline uses this value to create an actuator force whose expression is:
Force = - Max Detaching Force * (1-VARVAL(Clutch Demand)) Clutch Demand
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Clutch Demand ADAMS Id
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• Leave it blank - ADAMS/Driveline automatically creates a Solver variable single input communicator named Torque_demand.
• Select this communicator from the Database Navigator. This communicator gets the clutch signal (0/1) from the test rig.
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Enter the name of the spring element between the flywheel and the pressure plate. See the figure Clutch Assembly.
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Specify the preload of the spring element connecting the flywheel to the pressure plate.
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Enter the property file for the force versus displacement characteristic of the flywheel pressure-plate spring component.
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Enter the string for the pressure plate part. ADAMS/Driveline creates this part and positions it according to the number of friction disks you want to create. See the figure Clutch Assembly.
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Izz is the inertia around the longitudinal axis of the input shaft. Ixx and Iyy are not important because the parts are only rotating around the z-axis.
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Enter the string for the friction disk part. ADAMS/Driveline creates this part and positions it according to the number of friction disks you want to create. See the figure Clutch Assembly.
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Enter a real number that specifies the effective radius of the friction disk. ADAMS/Driveline uses this number to generate a simple graphic for this part and to evaluate friction forces between friction disks and other parts of the clutch assembly.
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Izz is the inertia around the longitudinal axis of the input shaft. Ixx and Iyy are not important because the parts are only rotating around the z-axis.
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If you selected a number greater than 1 in the Number text box, ADAMS/Driveline displays the following three options:
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Specify the intermediate plate part. ADAMS/Driveline creates this part and positions it according to the number of friction disks you want to create. See the figure Clutch Assembly.
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Specify the property file for clutch contact force characteristics. For example, <db_name>/clutch_forces.cdb/*.clu.
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Enter a real number that specifies the displacement available before contact forces start to arise.
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Enter a real number that specifies the effective radius of all friction surfaces. ADAMS/Driveline uses this number to evaluate friction forces between friction disks and other parts of the clutch assembly.
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Enter real numbers that specify the friction characteristics of the clutch assembly. For a rotational velocity equal to Static Vel, the friction coefficient is equal to Mu Static. As soon as the rotational velocity is equal to Dynamic Vel, ADAMS/Driveline sets the friction coefficient to Mu Dynamic. A small amount of slip is always needed to have friction forces.
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