Computational simulation for analysis and synthesis of impact resilient structure

Impact resilient structures are of great interest in many engineering applications varying from civil, land vehicle, aircraft and space structures, to mention a few examples. To design such structure, one has to resort fundamental principles and take into account progress in analytical and computati...

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Published inActa astronautica Vol. 91; pp. 283 - 301
Main Author Djojodihardjo, Harijono
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.10.2013
Subjects
Aircraft
Algorithms
Composites
Computation
Computer simulation
Engineering analysis
Engineering design
Finite element analysis
Impact analysis
Impact loading
Mathematical models
Optimization
Structural analysis
Structural dynamics
Synthesis
Engineering design
Structural dynamics
Composites
Finite element analysis
Impact analysis
Engineering analysis
Structural analysis
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Abstract Impact resilient structures are of great interest in many engineering applications varying from civil, land vehicle, aircraft and space structures, to mention a few examples. To design such structure, one has to resort fundamental principles and take into account progress in analytical and computational approaches as well as in material science and technology. With such perspectives, this work looks at a generic beam and plate structure subject to impact loading and carry out analysis and numerical simulation. The first objective of the work is to develop a computational algorithm to analyze flat plate as a generic structure subjected to impact loading for numerical simulation and parametric study. The analysis will be based on dynamic response analysis. Consideration is given to the elastic-plastic region. The second objective is to utilize the computational algorithm for direct numerical simulation, and as a parallel scheme, commercial off-the shelf numerical code is utilized for parametric study, optimization and synthesis. Through such analysis and numerical simulation, effort is devoted to arrive at an optimum configuration in terms of loading, structural dimensions, material properties and composite lay-up, among others. Results will be discussed in view of practical applications. •Systematic and comprehensive impact analysis of generic structure.•Surface impact analysis using Hertz theory with example.•Generic structure Finite element Impact analysis examples up to plastic limit.•Simulations show method effectiveness for resilient structure tailoring.
AbstractList Impact resilient structures are of great interest in many engineering applications varying from civil, land vehicle, aircraft and space structures, to mention a few examples. To design such structure, one has to resort fundamental principles and take into account progress in analytical and computational approaches as well as in material science and technology. With such perspectives, this work looks at a generic beam and plate structure subject to impact loading and carry out analysis and numerical simulation. The first objective of the work is to develop a computational algorithm to analyze flat plate as a generic structure subjected to impact loading for numerical simulation and parametric study. The analysis will be based on dynamic response analysis. Consideration is given to the elastic-plastic region. The second objective is to utilize the computational algorithm for direct numerical simulation, and as a parallel scheme, commercial off-the shelf numerical code is utilized for parametric study, optimization and synthesis. Through such analysis and numerical simulation, effort is devoted to arrive at an optimum configuration in terms of loading, structural dimensions, material properties and composite lay-up, among others. Results will be discussed in view of practical applications.
Impact resilient structures are of great interest in many engineering applications varying from civil, land vehicle, aircraft and space structures, to mention a few examples. To design such structure, one has to resort fundamental principles and take into account progress in analytical and computational approaches as well as in material science and technology. With such perspectives, this work looks at a generic beam and plate structure subject to impact loading and carry out analysis and numerical simulation. The first objective of the work is to develop a computational algorithm to analyze flat plate as a generic structure subjected to impact loading for numerical simulation and parametric study. The analysis will be based on dynamic response analysis. Consideration is given to the elastic-plastic region. The second objective is to utilize the computational algorithm for direct numerical simulation, and as a parallel scheme, commercial off-the shelf numerical code is utilized for parametric study, optimization and synthesis. Through such analysis and numerical simulation, effort is devoted to arrive at an optimum configuration in terms of loading, structural dimensions, material properties and composite lay-up, among others. Results will be discussed in view of practical applications. •Systematic and comprehensive impact analysis of generic structure.•Surface impact analysis using Hertz theory with example.•Generic structure Finite element Impact analysis examples up to plastic limit.•Simulations show method effectiveness for resilient structure tailoring.
Author Djojodihardjo, Harijono
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Keywords Engineering design
Structural dynamics
Composites
Finite element analysis
Impact analysis
Engineering analysis
Structural analysis
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SubjectTerms Aircraft
Algorithms
Composites
Computation
Computer simulation
Engineering analysis
Engineering design
Finite element analysis
Impact analysis
Impact loading
Mathematical models
Optimization
Structural analysis
Structural dynamics
Synthesis
Title Computational simulation for analysis and synthesis of impact resilient structure
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