Structural optimization techniques using Design Sensitivity Analysis (DSA) are seen to be very efficient in order to improve static, dynamic or acoustic behaviour of a vehicle. The paper includes the derivation of both static and dynamic criteria sensitivity such as displacement, stress, natural frequency or mode shape with respect to design variables such as material or geometrical properties. DSA is performed using State Space method and is integrated into a non linear mathematical programming method for large scale optimization. The second part of the paper is devoted to numerical examples covering identification of parameters using experimental results, several examples of DSA, dynamic and acoustic optimization procedures and shape optimization subject to dynamic and acoustic constraints.
Structural Optimization Of A Vehicle Using Finite Element Techniques
Sae Technical Papers
22nd FISITA Congress ; 2002
1988-09-01
Conference paper
English
Structural optimization of a vehicle using finite element techniques
Automotive engineering | 1988
|Structural optimization of a vehicle using finite element techniques
Tema Archive | 1988
|Finite Element Analysis Structural Optimization Using Statistical Engineering Techniques
British Library Conference Proceedings | 1997
|Vehicle Crush Prediction Using Finite-Element Techniques
SAE Technical Papers | 1973
|Finite Element Analysis and Structural Optimization of Vehicle Wheels
Automotive engineering | 1983
|