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01/01/2005
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Lotus Engineering is making its Suspension Analysis (LSA) software available to the OEM and motor sport communities.
The simulation and compliance analysis tool will be marketed and licensed through Lotus Engineering Software. Originally developed in-house for its own ride and handling engineers, this is the first time the PC-based LSA software has been marketed to users outside the company.
Lotus’s ride and handling team, responsible for the vehicle dynamics of many class-leading passenger cars, was heavily involved in the LSA’s development and continues to use the package.
LSA’s intuitive interface includes a 3D viewing and editing environment. This makes the software ideal for use by either designers or analysts at the concept design stage. Common suspension layouts are pre-programmed while the user-definable template feature enables unique configurations to be constructed. An optional module allows the addition of compliant bushes, the rate, position and orientation of which can be modified to allow effects such as lateral force steer due to compliance to be included in the analysis.
All significant suspension parameters are included in the output, including camber and castor angles, toe, kingpin angle, spring and damper ratios, and brake steer. Results can be displayed either graphically or numerically over specified bump, rebound, roll and steer articulations. External forces can be applied to the suspension as well as suspension spring loads, anti-roll bar forces and the influence of steering rack coupling and compliance. Calculations are updated instantaneously after each design change with graphical result displays being updated simultaneously.
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Author
ROger Bishop
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Copyright European Automotive Design.
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