DESIGN FOR VEHICLE CRASHWORTHINESS USING MULTIBODY DYNAMICS

Citation
Jp. Dias et Ms. Pereira, DESIGN FOR VEHICLE CRASHWORTHINESS USING MULTIBODY DYNAMICS, International journal of vehicle design, 15(6), 1994, pp. 563-577
Citations number
NO
Categorie Soggetti
Mechanics
ISSN journal
01433369
Volume
15
Issue
6
Year of publication
1994
Pages
563 - 577
Database
ISI
SICI code
0143-3369(1994)15:6<563:DFVCUM>2.0.ZU;2-X
Abstract
This paper describes a methodology for the sensitivity analysis and op timization of planar constrained mechanical systems. Direct differenti ation methods and finite difference techniques have been used in the d esign sensitivity calculations. The optimization process is developed within the framework of mathematical programming techniques. The sensi tivity equations were constructed symbolically, subsequently integrate d in the dynamic analysis equations of motion and solved simultaneousl y. Some examples are solved to demonstrate the use of the methodology including a crashworthiness design problem, where a plastic hinge conc ept has been used to model plastic deformations of the vehicle structu re during the impact.