Avoiding complex formulas, the authors show how a tree is internally optimized and how the partial or global breakdown of this interwoven axial and radial optimization can lead to the different failure modes.
1. Introduction 2. Mechanical Fundamentals 3. The Mechanical Self-Optimization of Trees - Five Theorems 4. The Principle of Minimum Lever Arms 5. The Axiom of Uniform Stress 6. Parallel Fiber and Force Flow Arrangement 7 Tree Rings and Force Flow 8. Growth Stresses 9. Stress-Controlled Strength Distribution 10. Cracks 11. Final Remarks - Review and Outlook References Subject Index