Vehicle Body Engineering Janusz Pawlowski (published in 1969/1970) is considered a classic foundational text in automotive engineering, a direct, legal "free PDF" of the complete book is not readily available through official digital repositories
Which or load case (e.g., torsional stiffness, pillar design, crumple zones) you are analyzing. vehicle body engineering by j pawlowski pdf
Discussions on identifying damages, such as collision damage, and methods for repair. Core Principles and Structure such as collision damage