This book studies the crash response of thin-walled beams with
different cross sections. Two collapse behaviors are studied in
this book, the axial collapse and the bending collapse.
Mathematical equations are derived to predict and describe the
thin-walled beams' collapse mechanisms. Based on the present
collapse theories, simplified finite element (FE) models and
modeling methodologies are developed for different types of
thin-walled beams. The developed models are validated through
crashworthiness analysis and the results agree very well to those
obtained from the detailed FE models. As demonstrated in this book,
compared to the detailed models, the developed simplified models
have reduced size and consist of less number of elements thereby
can save much more modeling labors and computing time. Such
advantages make the simplified models most suitable for computer
simulation and product design. For an example, the simplified
models and modeling methods presented in this book can be applied
in optimum design of the thin-walled beams.
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