Testing and Modeling of Cellular Materials
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Testing and Modeling of Cellular Materials discusses the characterization of cellular lattices through quasi-static and dynamic testing for use in light-weighting or energy-absorbing applications. Covering cellular materials, specifically additively manufactured lattices, this book further progresses into dynamic testing and modeling techniques for computational simulations. It presents modeling and simulation techniques used for cellular materials and evaluates them against experimental results to illustrate the material response under various conditions. The book also includes a case study of high-velocity impact that highlights the high strain rate effects on the cellular lattices.
• Covers different testing techniques used in quasi-static and dynamic material characterization of cellular materials.
• Discusses additive manufacturing techniques for lattice specimen fabrication.
• Analyzes different finite element modeling techniques for quasi-static and dynamic loading conditions.
• Presents a comparison and development of a phenomenological material model for use in computational analysis at various loading rates.
• Explores impact stress wave analysis under high-velocity loading.
The book will be useful for researchers and engineers working in the field of materials modeling and mechanics of materials.
Table of Contents
1. Introduction. 2. Background Theory. 3. Experimental Methodology. 4. Uniaxial Compression of Lattices. 5. Mechanical Properties of Lattices and Design Variations. 6. Split Hopkinson Pressure Bar Test Results. 7. Strain Rate–Sensitive Constitutive Model for Lattice Structure. 8. Lattice Damage Model. 9. Computational Modeling Techniques and Results. 10. Projectile Impact Results. 11. Conclusions.
Dr. Derek G. Spear completed his MS in Aerospace Engineering at the North Carolina State University in Raleigh, NC, and his MS in Aviation Systems at the University of Tennessee in Knoxville, TN. He obtained his PhD in Aeronautical Engineering from the Air Force Institute of Technology, Wright-Patterson Air Force Base, OH. He has assumed various roles as executive officer/instructor pilot, flight commander/program manager, test pilot, helicopter flight commander, flight safety officer, director of operations, and commander. He has received many awards, honors, and decorations for his services. He has published white papers and presented his research work at international conferences.
Dr. Anthony N. Palazotto is a Distinguished Professor, Aerospace Engineering at the Air Force Institute of Technology. He has over 50 years of experience in administration, research, and education within an Engineering College. He supervised and administered faculty within a departmental division. He developed research efforts and course offerings in composite materials, wave mechanics, elasticity, shells, fracture mechanics, and finite element techniques. He is highly involved in technical society activity as chairperson and founder of various committees. He was the author of over 700 presentations and publications, 271 are archival.