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E-raamat: Testing and Modeling of Cellular Materials [Taylor & Francis e-raamat]

(Air Force Institute of Technology, USA), (Air Force Institute of Technology, USA)
  • Formaat: 184 pages, 28 Tables, black and white; 129 Line drawings, black and white; 92 Halftones, black and white; 221 Illustrations, black and white
  • Ilmumisaeg: 30-Dec-2022
  • Kirjastus: CRC Press
  • ISBN-13: 9781003299639
Teised raamatud teemal:
  • Taylor & Francis e-raamat
  • Hind: 147,72 €*
  • * hind, mis tagab piiramatu üheaegsete kasutajate arvuga ligipääsu piiramatuks ajaks
  • Tavahind: 211,02 €
  • Säästad 30%
Testing and Modeling of Cellular MaterialsSuurem pilt
  • Formaat: 184 pages, 28 Tables, black and white; 129 Line drawings, black and white; 92 Halftones, black and white; 221 Illustrations, black and white
  • Ilmumisaeg: 30-Dec-2022
  • Kirjastus: CRC Press
  • ISBN-13: 9781003299639
Teised raamatud teemal:
Taylor & Francis e-raamatudRohkem infot Taylor & Francis e-raamatute kohta
Raamatu kodulehekülg: https://www.taylorfrancis.com/books/9781003299639
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.

Features:





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.
List of Figures
ix
Preface xvii
Authors xix
Acronyms xxi
Chapter 1 Introduction
1(18)
1.1 Overview
1(1)
1.2 Research Objectives
1(2)
1.2.1 Research Objective 1: Characterize Quasi-Static Material Properties of Cellular Designs
2(1)
1.2.2 Research Objective 2: Characterize Dynamic Material Properties of Cellular Designs
2(1)
1.2.3 Research Objective 3: Develop Computational Model and Impact Simulation
2(1)
1.2.4 Research Objective 4: Evaluate Inclusion of Cellular Structures on Impact Results
3(1)
1.3 Background
3(12)
1.3.1 Cellular Structures
3(1)
1.3.1.1 Terminology
4(1)
1.3.1.2 Classification
4(1)
1.3.1.3 Mechanical Properties
5(3)
1.3.1.4 Triply Periodic Minimal Surface (TPMS)
8(3)
1.3.2 Manufacturing Methods
11(1)
1.3.2.1 Additive Manufacturing Methods
12(2)
1.3.3 Impact Modeling and Simulation
14(1)
1.3.3.1 Discrete Element Method
14(1)
1.3.3.2 Finite Element Method
15(1)
1.4 Organization of Subsequent
Chapters
15(4)
References
16(3)
Chapter 2 Background Theory
19(26)
2.1 Finite Element Method
19(15)
2.1.1 Finite Element Method Theory
19(5)
2.1.2 Smoothed Particle Hydrodynamics
24(4)
2.1.3 Shock Waves and Equation of State
28(1)
2.1.3.1 Shock Waves
28(4)
2.1.3.2 Equation of State
32(2)
2.2 Damage Modeling
34(3)
2.2.1 Johnson--Cook Failure Model
34(1)
2.2.2 Holmquist--Johnson--Cook Failure Model
35(2)
2.3 Constitutive Models
37(8)
2.3.1 Constitutive Compression Response Models
37(1)
2.3.1.1 Rusch Model
38(1)
2.3.1.2 Gibson Modified Model
39(2)
References
41(4)
Chapter 3 Experimental Methodology
45(32)
3.1 Introduction
45(1)
3.2 Mechanical Testing
46(16)
3.2.1 Test Specimen Fabrication
46(3)
3.2.2 Compression Test
49(1)
3.2.2.1 Test Equipment
49(1)
3.2.2.2 Test Procedures
49(2)
3.2.2.3 Data Reduction
51(5)
3.2.3 Taylor Impact Test
56(1)
3.2.3.1 Test Equipment
56(1)
3.2.3.2 Test Procedures
57(1)
3.2.3.3 Data Reduction
58(3)
3.2.4 Split Hopkinson Pressure Bar Test Results
61(1)
3.2.4.1 Test Equipment
61(1)
3.2.4.2 Test Procedures
61(1)
3.3 Computation Methods
62(5)
3.3.1 Johnson-Cook Damage Model Parameters
63(1)
3.3.2 Impact Model and Analysis
64(1)
3.3.2.1 Projectile
65(1)
3.3.2.2 Target
66(1)
3.3.2.3 Model Assembly
66(1)
3.4 Topology Optimization
67(10)
3.4.1 Optimization Overview
67(1)
3.4.2 Multiscale Model
68(3)
3.4.3 Topology Optimization Methods
71(1)
3.4.3.1 Bi-directional Evolutionary Structural Optimization
72(1)
3.4.3.2 Solid Isotropic Material and Penalization Method
73(1)
References
74(3)
Chapter 4 Uniaxial Compression of Lattices
77(14)
4.1 Uniaxial Compression of Cylinders
77(4)
4.2 Uniaxial Compression of Cubes
81(10)
References
89(2)
Chapter 5 Mechanical Properties of Lattices and Design Variations
91(18)
5.1 Microstructural Assessment
91(3)
5.2 Mechanical Properties of As-Built Lattices
94(7)
5.3 Deformation Behavior
101(8)
References
107(2)
Chapter 6 Split Hopkinson Pressure Bar Test Results
109(16)
6.1 Quasi-Static Mechanical Properties of Triply Periodic Minimal Surface Lattices
109(3)
6.2 Dynamic Mechanical Properties of Triply Periodic Minimal Surface Lattices
112(4)
6.3 Plasticity Model Parameters
116(9)
References
122(3)
Chapter 7 Strain Rate-Sensitive Constitutive Model for Lattice Structure
125(14)
7.1 Legacy Material Models
125(1)
7.1.1 Quasi-Static Response Models
125(1)
7.1.2 Dynamic Response Models
126(1)
7.2 Proposed Flow Stress Model
126(6)
7.2.1 Model Development
126(1)
7.2.2 Determination of Model Parameters
127(5)
7.3 Results and Discussion
132(7)
7.3.1 Quasi-Static Comparison
132(3)
7.3.2 Dynamics Comparison
135(3)
References
138(1)
Chapter 8 Lattice Damage Model
139(8)
8.1 Damage Model Parameter Determination
139(5)
8.2 Damage Model Validation
144(3)
References
146(1)
Chapter 9 Computational Modeling Techniques and Results
147(14)
9.1 Computational Impact Model
147(4)
9.2 Full Lagrangian Models
151(1)
9.3 Mixed Smoothed Particle Hydrodynamics-Lagrangian Model
152(1)
9.4 Further Comparison of Models
153(8)
References
159(2)
Chapter 10 Projectile Impact Results
161(14)
10.1 Experimental Projectile Impact
161(2)
10.2 Computational Projectile Impact
163(9)
10.3 Comparison of Experimental and Computational Results
172(3)
Reference
173(2)
Chapter 11 Conclusions
175(4)
11.1 Summary of Conclusions
175(4)
References
178(1)
Appendix A TPMS Lattice Structure Generation Code, MATLAB 179(4)
Index 183
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.
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