A New Uniformly Valid Asymptotic Integration Algorithm for Elasto-plastic-creep and Unified Viscoplastic Theories Including Continuum Damage PDF Download
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Author: Abhisak Chulya
Publisher:
ISBN:
Category : Differential equations
Languages : en
Pages : 76
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Book Description
Author: Abhisak Chulya
Publisher:
ISBN:
Category : Differential equations
Languages : en
Pages : 76
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Author: National Aeronautics and Space Administration (NASA)
Publisher: Createspace Independent Publishing Platform
ISBN: 9781722139575
Category :
Languages : en
Pages : 74
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Book Description
A new scheme to integrate a system of stiff differential equations for both the elasto-plastic creep and the unified viscoplastic theories is presented. The method has high stability, allows large time increments, and is implicit and iterative. It is suitable for use with continuum damage theories. The scheme was incorporated into MARC, a commercial finite element code through a user subroutine called HYPELA. Results from numerical problems under complex loading histories are presented for both small and large scale analysis. To demonstrate the scheme's accuracy and efficiency, comparisons to a self-adaptive forward Euler method are made. Chulya, A. and Walker, K. P. Glenn Research Center...
Author: Wohua Zhang
Publisher: Springer Science & Business Media
ISBN: 3642047084
Category : Science
Languages : en
Pages : 937
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Book Description
"Continuum Damage Mechanics and Numerical Applications" presents a systematic development of the theory of Continuum Damage Mechanics and its numerical engineering applications using a unified form of the mathematical formulations in anisotropic and isotropic damage models. The theoretical framework is based on the thermodynamic theory of energy and material dissipation and is described by a set of fundamental formulations of constitutive equations of damaged materials, development equations of the damaged state, and evolution equations of micro-structures. According to concepts of damage-dissipation of the material state and effective evolution of material properties, all these advanced equations, which take nonsymmetrized effects of damage aspects into account, are developed and modified from the traditional general failure models so they are more easily applied and verified in a wide range of engineering practices by experimental testing. Dr. Wohua Zhang is a Professor at Engineering Mechanics Research Center in Zhejiang University of China. Dr. Yuanqiang Cai is a Professor at Department of Civil Engineering in Zhejiang University of China.
Author:
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Category : Aeronautics
Languages : en
Pages : 256
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Author: American Society of Mechanical Engineers. Winter Annual Meeting
Publisher:
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Category : Technology & Engineering
Languages : en
Pages : 162
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ISBN:
Category : Government publications
Languages : en
Pages : 1300
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1224
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Author:
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ISBN:
Category :
Languages : en
Pages : 42
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Category :
Languages : en
Pages : 18
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Category :
Languages : en
Pages : 88
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