Basic Models for Topology Design Optimization in Crashworthiness Problems

Author:

Soto Ciro A.1,Diaz Alejandro R.2

Affiliation:

1. Ford Research Laboratory

2. Michigan State University

Abstract

Abstract A study of basic and simple models for topology design optimization in crash events is presented. A 1D collinear and a 2D truss lattice models were implemented and used to solve a set of problems to design the topology of structural members of vehicles under frontal crash. Both design models explore several optimization formulations as well as possible design variables to address the fundamental issues in crashworthiness design, namely, minimization of accelerations while controlling or reducing deformations. Results show the viability of these simple models to solve structural topology optimization problems for crashworthiness.

Publisher

American Society of Mechanical Engineers

Cited by 4 articles. 订阅此论文施引文献 订阅此论文施引文献,注册后可以免费订阅5篇论文的施引文献,订阅后可以查看论文全部施引文献

1. LatticeOPT: a heuristic topology optimization framework for thin-walled, 2D extruded lattices;Structural and Multidisciplinary Optimization;2022-10-20

2. Automated Vehicle Structural Crashworthiness Design via a Crash Mode Matching Algorithm;Journal of Mechanical Design;2010-12-29

3. Crashworthiness design of transient frame structures using topology optimization;Computer Methods in Applied Mechanics and Engineering;2004-02

4. Strategies in Design for Enhanced Crashworthiness;Topology Optimization of Structures and Composite Continua;2000

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