CDTire Updated to Version 4.2.3
The version of CDTire shipped with MotionSolve is updated to 4.2.3 from 4.1. CDTire version 4.2.3 includes:
| • | CDTire/Realtime (CDT30/HPS) |
The CDTire/Realtime model includes these new features:
| - | LDE (large deformation element): This extension has been added from CDTire/Legacy model 30. It implements tire ground out behavior. |
| - | PIN_FLAG/PREF: This extension has been added from CDTire/Legacy model 30. It implements inflation pressure dependent rigid body frequencies FTX, FTY and FRY. |
| - | CRY_RED_FLAG/_DEF/_RES: This extension has been added from CDTire/Legacy model 30. It implements deflection dependent reduction of CRY for large deformations. |
| - | PNEUMATIC_SCALE_TRAIL: This parameter scales the pneumatic trail to yield more accurate self-aligning torque. Default setting yields backward compatibility. |
| - | For more information, please refer to the CDTire User Manual. |
The CDTire/3D model has these new features:
| - | TREAD_HEIGHT: The tread sensor height can now also be specified for each individual tread sensor ring. This allows modelling of rotationally symmetric tread gaps. |
| - | PIN_FLAG/PREF: This extension for SW_MODE=40 has been added from CDTire/Legacy model 40. It implements inflation pressure dependent rigid body frequencies FTX, FTY and FRY. |
| - | CRY_RED_FLAG/_DEF/_RES: This extension for SW_MODE=40has been added from CDTire/Legacy model 40. It implements deflection dependent reduction of CRY for large deformations. |
| - | For more information, please refer to the CDTireUser Manual. |
CDTire version 4.2 introduces a new Magic Formula sub model called CDTire/MF+. The MF++ model estimates the contact patch shape, location and pressure distribution for coupling with CDTire/Thermal. To select CDTire/MF++ in ADAMS via GFORCE or ADAMS/Tire (CDT_MODEL_TYPE), set the model number to 10.
Note: CDTire v4.2.3 discontinues support for tire model 20 (CDT20). In addition road surface model 1000 (RSM1000) is no longer supported for use with tire model 30 (CDT30).
FTIRE
MotionSolve now locates your FTIRE installation by reading the cosin_ini file in your home directory. This ensures MotionSolve uses the latest version of FTIRE installed. Previously, FTIRE binaries were shipped with MotionSolve and MotionSolve loaded FTIRE from the HyperWorks installation.
| Note: | If you previously used FTIRE via Altair’s Partner’s Program, you must now obtain FTIRE from COSIN (www.cosin.eu) |
Delft-Tyre MF-TYRE/MF-SWIFT
DELFT-TYRE MF-Tyre/MF-Swift 6.2.0.2 binaries are included with MotionSolve version 2017. Use of MF-Tyre with MotionView and MotionSolve is granted under the HyperWorks license. Use of MF-Swift require purchase of an additional license available from Altair.
